Hardware

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  Sun / cloud sensor?
  3 Apr 2017, 19:42 • Martin Tellblom   20 Apr 2017, 13:25

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  20 Apr 2017, 13:25

  @flopp ...and need to make sure it stays clean all the time
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  Tipping bucket rain gauge
  10 Apr 2017, 22:43 • dbemowsk   19 Apr 2017, 02:50

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  19 Apr 2017, 02:50

  @BulldogLowell My plan is to mount it on the edge of my garage roof far away from my trees. I have seen designs with spikes for keeping birds off. I think I will work those into the model before printing. My hot bed is 220 x 220mm which is 8.6" square. It should just fit if it is centered correctly.
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  Electromagnetic field from step-up regulator interferes with NRF24
  17 Apr 2017, 21:06 • ronnyandre   18 Apr 2017, 08:27

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  18 Apr 2017, 08:27

  I advise you to make a fritzing diagram so we can understand how you connected everything, otherwise it is quite hard.
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  ESP8266/NodeMCU Gateway LEDs
  17 Apr 2017, 21:29 • LastSamurai   18 Apr 2017, 04:10

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  18 Apr 2017, 04:10

  @LastSamurai many of the esp8266 pins are special. I have run into a lot of trouble when using the ones that aren't marked as "safe" to use in Kolban's book. Some more information: https://forum.mysensors.org/post/63039 https://forum.mysensors.org/post/49193
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  Mini Pro + DHT12 + NRF24L01+ SMD
  15 Apr 2017, 20:03 • michlb1982   17 Apr 2017, 10:04

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  17 Apr 2017, 10:04

  That's odd... Unless that smd version has different voltage requirements, the nrf24 should fry with 5v
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  Newbie - Do not succeed to start
  16 Apr 2017, 21:25 • bertbigb   16 Apr 2017, 23:23

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  16 Apr 2017, 23:23

  I think the generic board does not work because the default settings are not sufficient for ms. Be sure the settings match your actual esp8266 module. Did you pull down gpio0 when you powered on the module? This activates the programming mode. If you want to go the easy way just get a node mcu compatible board like wemos d1 mini. It has an onboard USB port and you don't have to manually put it in programming mode. Mqtt adds complexity. If you don't need it you should choose plain ms.
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  RFM69: Wireing DIO0
  15 Apr 2017, 12:59 • elcaron   16 Apr 2017, 10:21

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  16 Apr 2017, 10:21

  RFm69 irq is needed by the driver in RX mode, sure, but not only. It is used in different mode, TX send for example. So IRQ signal need to be wired.
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  Can you mix RFM69 and RFM69H in one network?
  9 Apr 2017, 20:36 • Omemanti   14 Apr 2017, 10:01

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  14 Apr 2017, 10:01

  @mpp Try reverting to MySensors 2.0.0 and update AVR to 1.6.18. made my node al lot more stable.
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  NRF24L01-PA-LNA in components library wrong?
  12 Apr 2017, 13:14 • elcaron   13 Apr 2017, 22:04

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  13 Apr 2017, 22:04

  I did, I just needed the dimensions of the module for the antenna placement Just measured mine though
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  Low power light sensor to generate wakeup interrupt
  2 Apr 2017, 09:35 • Vladimir Dobrikov   13 Apr 2017, 11:42

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  13 Apr 2017, 11:42

  @AffordableTech, regarding PIR sensors, I've got an advice to add 3rd battery since this sensor is very sensible to VCC level and under 3v isn't predictable. So I've connected batteries as suggested here: I also thought about step-up convertor to power PIR with exactly 3.3v, but I was said this kind of power line is quite noisy which again will cause false positives so Ive rejected this option. With this setup (3AA) my node became reliable and works that way about 1 week. As for light sensor, after some thoughts I came into decision to use BH1750FVI sensor which is also I2C one with low consumption if configure it with one time measurement mode (by default it's continuous mode). My use case is to trigger light by motion only if light level is 0. Now I just send light level alongside with motion event, thus no need of waking up by light interrupt anymore.
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  Problem with RFM69 on Arduino nano...
  5 Dec 2016, 13:57 • fcflopes   9 Apr 2017, 19:15

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  9 Apr 2017, 19:15

  Ah! I never thought of that. Nice to see it's solved! And I think you're right, this kind of info should be made available for easy access.
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  Random FPAR failures - gateway radio error
  5 Apr 2017, 13:22 • maghac   5 Apr 2017, 14:43

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  5 Apr 2017, 14:43

  I don't think redundancy is supported
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  Temp sensor BME280 c18 vs j34
  28 Jun 2016, 15:11 • Freedom1029   4 Apr 2017, 20:44

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  4 Apr 2017, 20:44

  On other sites, they sell a 3.3V version and a 5V version. The 5V version has level translators and an on-board 3.3V LDO regulator. I can't tell which is which from the Ali description.
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  Celsius to Fahrenheit Conversion with HTU21DF
  9 Mar 2017, 06:54 • irenla   29 Mar 2017, 01:31

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  29 Mar 2017, 01:31

  @irenla You have probably already figured this out but try this. return temp; float tempF = (temp * 9.0) / 5.0 + 32.0; you get the idea now.
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  How to use the lib on a STM32 Nucleo
  28 Mar 2017, 20:08 • Nathan Matos   28 Mar 2017, 20:27

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  28 Mar 2017, 20:27

  @Nathan-Matos you'll probably be interested in the discussion in https://forum.mysensors.org/topic/6519/stm32/ I have ordered two stm32 but not received them yet.
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  Tracking of PCBs ordered from PCBWay
  28 Mar 2017, 07:59 • jens persson   28 Mar 2017, 11:01

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  28 Mar 2017, 11:01

  @hek - Awesome!
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  Ethernet Sensor
  23 Mar 2017, 15:50 • giangired   28 Mar 2017, 00:53

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  28 Mar 2017, 00:53

  @gohan My understanding of the ESP8266 is that much like the ethernet solution, each node would have to be configured as a gateway as it is still running on an IP protocol like the ethernet node. I ran into this when I got some Sonoffs and was trying to connect them to my Vera Plus. I ended up using them with the ESPEasy firmware and a different plugin on my Vera.
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  switch is not working when gateway is unavailable
  27 Mar 2017, 13:35 • Pavel Larkin   27 Mar 2017, 14:41

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  27 Mar 2017, 14:41

  Try #define MY_TRANSPORT_WAIT_READY_MS 1
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  Are there any RFM69 shields for Arduino pro mini?
  26 Mar 2017, 19:27 • Cliff Karlsson   27 Mar 2017, 05:44

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  27 Mar 2017, 05:44

  I love this one: https://www.openhardware.io/view/268/RFM69HW-interstitial-board-for-Pro-Mini-Temp-Humidity-sensor
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  This topic is deleted!
  26 Mar 2017, 04:09 • itbeyond   26 Mar 2017, 04:09

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  SenseBlender source for Fritzing
  25 Mar 2017, 16:59 • vincnet68   25 Mar 2017, 16:59

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  Wiring a RFM69 radio
  23 Mar 2017, 17:12 • user2684   24 Mar 2017, 12:41

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  24 Mar 2017, 12:41

  I use these and they plug straight into my Gert Saunders boards with no wires https://oshpark.com/shared_projects/TKNcHTRl Only for rfm69hw or rfm69w not the compact version. They work a treat
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  wireless door / window sensor
  10 Nov 2016, 07:19 • parachutesj   23 Mar 2017, 19:00

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  23 Mar 2017, 19:00

  If you need a signal both if the window was closed and opened you can buy this sensor: https://www.aliexpress.com/item/Free-shipping-Wireless-window-and-door-magnetic-sensor-open-detector-1527-chips/32334214010.html It is based on a 1527 Chip. Open the rear cover and connect these pins with a solder point:
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  Please help me decide. Single vs Multisensor
  23 Mar 2017, 15:05 • webstor   23 Mar 2017, 16:01

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  23 Mar 2017, 16:01

  Hello together, there is no "right" or "wrong" answer to this questions imo. Both concepts have their two sides. Personally, I prefer to go the multisensor way (and also use RS485, which limits the numbers of sensors to 32 per gateway with standard interface boards). In addition to that I also like the idea to let the arduinos decide (some) things locally or make them configurable to some extend. So things may not become completely out of controll in case there is (temporary) no controller. Advantages: Less parts, especially power adopters/batteries, less "optic irritation" better use of arduino potential (use of more than 40% of the memory, not sleeping all the time) Less RF, means also lower risk of RF conflicts (or best: no RF at all => RS485) in case of e.g. failure or power off, I will most likely notice this earlier because of the bigger "footprint" Disadvantages: its (sometimes) hard work to get things working (but also fun and satisfaction ) higher risk of messing things up because of bad code (I am just a beginner in programming. This is more related to distributed logic as mentioned above; just combining some simple examples isn't rocket science...) in case of e.g. failure or power off, a multisensor has the bigger "footprint" So it's up to you which way to go (or to which extent, to be more precise).
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  NodeMCU and NRF+, SPI init problem
  14 Jul 2016, 20:03 • yoram   23 Mar 2017, 08:23

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  23 Mar 2017, 08:23

  Welcome to the MySensors community @Andrew-McInnes use #define MY_RF24_CS_PIN 5 in your sketch before including MySensors.h Details: https://github.com/mysensors/MySensors/blob/8bb3cfb2e14214ae19e8531c989d1e81c9660614/MyConfig.h#L508
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  Getting more usable input pins on Wemos D1 Mini / ESP8266
  21 Mar 2017, 21:52 • mfalkvidd   22 Mar 2017, 23:29

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  22 Mar 2017, 23:29

  @mfalkvidd right, I was thinking of updating RFM69 wiring diagrams on https://www.mysensors.org/view/171#rfm69-&-esp8266 , but for how the radio module go I was interested in the rfm96 range / reliability to see how it goes. Anyway I will look for futures updates on the forum.
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  Node dont connect to RaspBerry gateway
  18 Mar 2017, 16:04 • keldandorin   22 Mar 2017, 21:51

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  22 Mar 2017, 21:51

  I suggested those modules because you can quickly swap the radio module, but that may work too. Pls post back your results
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  how to controll mysensors actuator node with multiple wall switches
  20 Mar 2017, 12:43 • rozpruwacz   21 Mar 2017, 12:19

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  21 Mar 2017, 12:19

  @napo7 thanks for response. Actually I want to avoid such solution. The main reason is the reliability. Just want to have wired connection between switch and the actuator. I tried the solution with resistor ladder like this: (5V) | (R=2kOhm) | (ADC PIN) | |--- (SW1) --- (R=1kOhm) -----| | -- (SW2) --- (R=1.5kOhm) --| |--- (SW3) --- (R=3kOhm) -----|--- (GND) So pressing different switches (SW1 to SW3) should result in different resistance seen between ADC PIN and GND. And to be able to detect multiple switches pressed at the same moment the resistor values must differ. Unfortunetly this makes very little differences between some combinations, and i'm afraid that on 5 meter long wire the noise will cause misdetections. Does anybody used such solution ?
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  This topic is deleted!
  21 Mar 2017, 07:30 • ling1995   21 Mar 2017, 07:30

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  This topic is deleted!
  19 Mar 2017, 15:47 • vobi   19 Mar 2017, 15:47

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  DHT22 - humidity problem
  15 Mar 2017, 09:06 • warmaniac   19 Mar 2017, 13:52

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  19 Mar 2017, 13:52

  @bgunnarb nevermind... but still finding the best way how to wire it and power it. Readings are inaccurate
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  How to add Local Sensor to Rasbeery Pi Gateway
  18 Mar 2017, 14:28 • keldandorin   18 Mar 2017, 14:28

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  What options are there for wireless wifi power-plugs with energy-monitoring?
  18 Mar 2017, 08:19 • Cliff Karlsson   18 Mar 2017, 13:25

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  18 Mar 2017, 13:25

  @MikeF Great, I just found the same unit right before your post. Seams to be the best option right now.
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  Motionsensor + Relay 2.1
  15 Mar 2017, 11:12 • nihilo83   18 Mar 2017, 13:08

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  18 Mar 2017, 13:08

  Then you have to modify it a bit. I really think you should try this yourself to learn how it works. Have you read the relevant API pages on the main site? Did you get stuck somewhere?
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  Breadboard PSU + Mega Serial GW + NRF24L01+PA+LNA?
  17 Mar 2017, 13:24 • vobi   17 Mar 2017, 13:43

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  17 Mar 2017, 13:43

  @TimO Great, thank You!
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  AC curent sensor with Carlo Gavassi EM24
  16 Mar 2017, 13:30 • maitresyoda   16 Mar 2017, 23:46

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  16 Mar 2017, 23:46

  If I remember well there should be some modbus libraries on github
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  Combine RFlink Gateway instead of building mysensors gateway?
  30 Nov 2016, 19:18 • meanmrgreen   16 Mar 2017, 18:25

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  16 Mar 2017, 18:25

  I think it's not worth spending time on a half working solution when there is a working one that's very cheap
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  Elster sensors
  16 Mar 2017, 17:25 • zboblamont   16 Mar 2017, 17:25

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  Current Sensing?
  7 Mar 2017, 07:36 • Samuel235   16 Mar 2017, 09:27

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  16 Mar 2017, 09:27

  @gohan Thanks for info.
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  [SOLVED] Problems with an SI7021 temp/humidity sensor
  12 Mar 2017, 06:11 • dbemowsk   15 Mar 2017, 05:48

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  15 Mar 2017, 05:48

  @dbemowsk said in Problems with an SI7021 temp/humidity sensor: @Yveaux So I tried that library and it worked. Thanks for the help. Now I just need to print an enclosure for the thing. Great!
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  HC-12 instead of NRF24L01+ ?
  13 Mar 2017, 13:47 • wasp   14 Mar 2017, 19:19

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  14 Mar 2017, 19:19

  @mfalkvidd Thank you, this is worth checking! regards,
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  Help building battery powered switch for scene control!
  13 Mar 2017, 11:18 • Aron Sjöberg   13 Mar 2017, 12:00

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  13 Mar 2017, 12:00

  @Aron-Sjöberg Great switches, I thought these went out of production in the 60'ties As you are going for a battery powered solution a good starting sketch would be the motion detector. Just replace the motion sensor with the switch and you are almost done. The switch will probably need some debouncing. Add a ``sleep(100)``` to avoid retriggering. If you want to use a momentary switch you need a variable to save the last state.
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  Please help Noob w Hardware
  12 Mar 2017, 13:55 • kincaidj001   13 Mar 2017, 07:19

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  13 Mar 2017, 07:19

  Not really, I haven't used them yet. Remember that you can use the M0 as sensor node.
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  DS18B20 onewire gotten this to work with 2.1.1
  13 Mar 2017, 02:46 • tomasandersson   13 Mar 2017, 06:56

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  13 Mar 2017, 06:56

  @tomasandersson Have a look at this thread. I think it contains the answer on your fixed ID (children) question. https://forum.mysensors.org/topic/4834/unique-id-value-ds18b20-temperature-sensors I personally used the sample programs as provided with the MySensors lib with succes the get the DS18B20 onewire working. A resistor 4k7 from +5VDC to the middle pin of the DS18B20 connected to D3 from the arduino and both outer pins of the DS18B20 connected to GND works perfect for me. BR, Boozz
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  This topic is deleted!
  12 Mar 2017, 20:28 • lucario_sorcerer   12 Mar 2017, 20:28

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  Hardware for BME280/PIR/REED Sensors + 433mhz on AA?
  4 Mar 2017, 14:08 • chbla   10 Mar 2017, 17:41

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  10 Mar 2017, 17:41

  A supercapacitor with a small solar cell would be interesting - does anyone have experience (3.3/5v size of capacitor, solar cell, etc)?
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  Momert 5848-9 bathroom scale (reading from lcd)
  12 Oct 2014, 18:05 • derrij   9 Mar 2017, 03:15

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  9 Mar 2017, 03:15

  Wow, i did not do this to my digital weight scale. You did a great job here
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  Problem with SPI Flash AT25DF512C
  7 Mar 2017, 07:38 • mardah   8 Mar 2017, 15:48

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  8 Mar 2017, 15:48

  I found the problem: https://github.com/LowPowerLab/SPIFlash/issues/16 The sketch I used to verify the SPI Flash was missing a SPI.begin() in setup().
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  Battery powered outdoor sensor drops connection in cold weather
  8 Mar 2017, 08:46 • Atesz   8 Mar 2017, 11:55

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  8 Mar 2017, 11:55

  @Takero Good idea, I will implement it ! Thanks !
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  New Self Powered Double Relay Board
  27 Feb 2017, 18:07 • Samuel235   7 Mar 2017, 20:38

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  7 Mar 2017, 20:38

  Would there be much call for the current sensing capabilities on this board? Do people actually care for per module current sensing or would you just rather monitor your main electric board for overall usage?
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  Fritzing and OpenHardware.IO
  6 Mar 2017, 20:50 • Japio   6 Mar 2017, 20:55

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  6 Mar 2017, 20:55

  I don't know what kind of html fritzing produces. But you can normally copy html tables into excel/openoffice and export a csv/xls from there.
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  Sonoff Wifi Switch, GPIO14 and interrupts
  30 Jan 2017, 20:20 • mgaman   5 Mar 2017, 20:27

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  5 Mar 2017, 20:27

  can you post some code? interrupts work fine with my sonoff: attachInterrupt(PIN_PIR_SENSOR, ISR_PIRPinHasChanged, CHANGE); [...] void ISR_PIRPinHasChanged(){ int currentPinStatus = digitalRead(PIN_PIR_SENSOR); if(currentPinStatus == LOW){ Serial.println("ISR fired, pin LOW"); } else{ Serial.println("ISR fired, pin HIGH"); ToggleRelay(); } } ISR fired, pin LOW ISR fired, pin HIGH toggling relay to OFF switching off sending status to controller ISR fired, pin LOW ISR fired, pin HIGH toggling relay to ON switching on sending status to controller ISR fired, pin LOW ISR fired, pin HIGH toggling relay to OFF switching off
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  TDS and pH Sensors for water quality determination
  5 Mar 2017, 06:33 • Abi   5 Mar 2017, 06:33

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  Help a beginner who wants to start microcontroller coding
  4 Mar 2017, 04:02 • jecci   4 Mar 2017, 18:53

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  4 Mar 2017, 18:53

  @Igor-Antolić if you want to help the original author of the question, posting an answer on the linked stackexchange thread will probably be more efficient. The original author is not likely to look in a different forum, almost 5 years later.
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  Microwave motion sensor not functioning at stairwell
  3 Mar 2017, 15:16 • Daryl Lim Ming Yen   3 Mar 2017, 15:16

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  Ultra low temperature (-80ºC) monitoring probes
  28 Jun 2016, 17:51 • emc2   2 Mar 2017, 17:22

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  2 Mar 2017, 17:22

  @sbpurohit I assume it comes with everything (else it would defeat the point of the kit), but I would suggest you to email PCBway to have direct confirmation with them.
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  Nrf24l01 powering problem with LE33
  2 Mar 2017, 13:06 • linkos   2 Mar 2017, 14:06

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  2 Mar 2017, 14:06

  Ok thanks for your answer
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  What diameter pogo pins to use for ESP-12F?
  28 Feb 2017, 17:16 • NeverDie   28 Feb 2017, 20:01

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  28 Feb 2017, 20:01

  Answering my own question: looks as though 1.02mm diameter should work fine.
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  Homemade anemometer with reed switch
  27 Feb 2017, 21:16 • MeeGz   27 Feb 2017, 21:16

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  In wall light switch node - Custom PCB
  switch node light switch inwall custompcb • 4 Dec 2015, 09:05 • Samuel235   27 Feb 2017, 21:12

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  27 Feb 2017, 21:12

  @DavidZH - I really hate our electrical system here, but that is coming from an electronics guy, not a electrician. I like the idea of low voltage in the switches, however its AC. I would prefer to see DC, but the voltage drops might be something that they're attempting to avoid by sending AC instead. Yes, i agree about those damn rings and we also don't have the room here in the UK like you mentioned about the NL.
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  How to test/monitor packet loss for each radio node?
  26 Feb 2017, 23:39 • Grubstake   27 Feb 2017, 16:53

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  27 Feb 2017, 16:53

  @boozz said in How to test/monitor packet loss for each radio node?: https://forum.mysensors.org/topic/3984/nrf24l01-connection-quality-meter Thanks, Ronald. I will definitely be putting together one of these very shortly. Looks handy for testing coverage and new radios. In addition to this approach, has anyone come up with a technique for monitoring all the nodes on an ongoing basis and flagging problems in real time? I greatly appreciate the value of the shared contributions on this forum! Thanks, Tim
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  Raspberry PI 3 - Serial Gateway failing with Serial - write failed: Resource temporarily unavailable
  21 Feb 2017, 05:09 • esawyja   27 Feb 2017, 06:55

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  27 Feb 2017, 06:55

  Consider using the ethernet gateway if you keep having trouble with the serial one
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  Creating a wireless fingerprints sensor !
  arduino • 12 Feb 2017, 18:42 • Ziip   24 Feb 2017, 20:14

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  24 Feb 2017, 20:14

  No problem, I am running the nrf24 mqtt gateway on the rpi and it is working with no problem with domoticz. I choose the mqtt client gateway because I wanted to tinker around MQTT, but you could go for the ethernet gateway that is easier to manage.
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  Raspberry PI + MQTT Gateway + Domoticz -> Connection refused
  23 Feb 2017, 16:57 • artipi   24 Feb 2017, 07:35

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  24 Feb 2017, 07:35

  Ok, thanks.
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  Battery based atmega328p sensor (no SMD)
  22 Feb 2017, 18:51 • Markus.   23 Feb 2017, 09:55

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  23 Feb 2017, 09:55

  @AWI So I will Keep my batterys above 2.7 Volts ..:-) So in Summary... Hope its now correct Shorting the 3V3 Connections (right site of the Picture) plus from Battery to VBAT minus to any GND Any many many thanks for your Patience !!!!
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  DC-DC Step Up Boost Module 3v3
  23 Feb 2017, 00:15 • Lee Groom   23 Feb 2017, 09:10

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  23 Feb 2017, 09:10

  @Lee-Groom - over time the community have found out that its best to power the radio directly from the batteries and not through the booster due to what @AWI said. Thats how i build my PCB. The nrf24l01+ can handle down to 1.9V so you have atleast a span of 1.9 - 3.3v to work with if you are using 2xAA. I would suggest powering your radio directle from battery and the rest throught the booster. Filter the booster with 0,1uF cheramic cap on the output (I dont know why, but learning by doing i have found this to work the best for me). Also be aware of that out of 10 china boosters i get atleast 2 that is so bad they generate so much noice its hard to get a good circiut.
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  Which chip for OTA flash?
  20 Feb 2017, 22:27 • shabba   22 Feb 2017, 07:38

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  22 Feb 2017, 07:38

  @shabba As far as I can see (from search on mouser) there is no spi flashes available, which is capable at operating at 5V.. The closest is AT25XV021 / AT25XV041, which have an absolute maximum VCC of 4.4V http://www.mouser.dk/Semiconductors/Memory/Flash-Memory/_/N-488w1?P=1z0y176Z1yzmm0hZ1yzmm18
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  MySensor + Whisper Node + RFM69
  2 Dec 2016, 05:33 • Moebius Lutching   21 Feb 2017, 22:19

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  21 Feb 2017, 22:19

  Hi jfeger, sorry I can't find the sketches anymore... if I end-up finding it I post here. So, I decided to use bare Arduino with the RadioHead RFM69 lib and parts of the Talk2 library. I just didn't feel the need for the whole framework and doing this I was able to customize a bit more the low-power usage and easily integrate with other third-party libraries which weren't playing nice together with MySensor. In terms of messages, protocol I just follow the Talk2 example and I'm using their "Message" format. I just assigned the "id" to a kind of message by convention and use the 8 bytes payload for the data... I normally use only 1 to 4 bytes actually.
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  Soil Moisture Sensor shows strange values
  20 Feb 2017, 11:51 • ronnyandre   20 Feb 2017, 12:46

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  20 Feb 2017, 12:46

  @mfalkvidd Thanks for the careful and understanding explanation. Of course it makes sense that salt water is more conductive than tap water and distilled water. I will calibrate and map according to the specific soil I will use the sensor with. Thanks @Yveaux I haven't tried that, but that was a good idea to see if the sensor itself has any issues with the conductivity. One can never completely trust cheap chinese hardware..
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  HLK-PM01 (Hi-Link) Eagel library
  20 Feb 2017, 10:27 • sonu kushwh   20 Feb 2017, 10:45

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  20 Feb 2017, 10:45

  @sonu-kushwh - I have one im ny designfiles: HKLPM01.lbr https://www.openhardware.io/view/13/In-Wall-ACDC-Pcb-for-MySensors#tabs-design
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  Portable Power Meter
  10 Feb 2017, 13:47 • maghac   19 Feb 2017, 16:14

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  19 Feb 2017, 16:14

  It depends on what your final setup will be, because you could load a custom firmware that sends data to mqtt or write your own code and use it as an esp8266 gateway with sensor attached. There is no universal solution, so if you would like to post your project we can give better suggestions.
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  RFM69H and RFM69HCW
  18 Feb 2017, 15:25 • martins   19 Feb 2017, 09:02

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  19 Feb 2017, 09:02

  W means that the module is for the world market. Without W is for the Chinese market, with less stringent quality rules (and therefore cheaper). C means the module is using different pins. http://www.hoperf.com/faqs/410.html Mixing H and HCW in the same network should work, provided the modules are wired differently (due to "C")
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  Band pass filter?
  18 Feb 2017, 13:41 • leeoz   18 Feb 2017, 13:41

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  pro mini programming
  4 Feb 2017, 02:39 • dbemowsk   17 Feb 2017, 22:17

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  17 Feb 2017, 22:17

  China quality strikes again
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  ESP8266 questions before buying
  esp8266 • 14 Feb 2017, 18:22 • Mika56   17 Feb 2017, 20:13

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  17 Feb 2017, 20:13

  Does it work also with I2C stuff connected to it?
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  Mains energy meter node
  16 Feb 2017, 22:45 • gohan   17 Feb 2017, 14:50

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  17 Feb 2017, 14:50

  That's one of the suggestions I was looking for! Given my setup with Domoticz + MQTT, what firmware would you suggest?
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  Odroid c1 as getaway?
  raspberry getaway odroid c1 • 8 Feb 2017, 15:08 • dantefff   16 Feb 2017, 12:26

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  16 Feb 2017, 12:26

  @pansen I have no oscilloscope near... Lets talk about it with Odroid community and hope someone could help me
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  Soldering RFM to Sensebender
  14 Feb 2017, 10:42 • Chester   14 Feb 2017, 23:39

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  14 Feb 2017, 23:39

  Many thanks @tbowmo I'll sit down tonight and fire up the iron, looking forward to freeing up another pro-mini back into the pool for more sensors!!
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  Distance Sensor with long range (8-10 meters) ?
  14 Feb 2017, 15:39 • meanmrgreen   14 Feb 2017, 22:45

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  14 Feb 2017, 22:45

  No, I did not have the opportunity to test such a range. But between 20cm and 5m it was stable and accurate.
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  Need help due wireing Lan - GW RMF69 & W5500
  19 Jan 2017, 20:52 • Snobs   14 Feb 2017, 14:02

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  14 Feb 2017, 14:02

  Actually I try this and it won`t be working /** * The MySensors Arduino library handles the wireless radio link and protocol * between your home built sensors/actuators and HA controller of choice. * The sensors forms a self healing radio network with optional repeaters. Each * repeater and gateway builds a routing tables in EEPROM which keeps track of the * network topology allowing messages to be routed to nodes. * * Created by Henrik Ekblad <henrik.ekblad@mysensors.org> * Copyright (C) 2013-2015 Sensnology AB * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors * * Documentation: http://www.mysensors.org * Support Forum: http://forum.mysensors.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * ******************************* * * REVISION HISTORY * Version 1.0 - Henrik EKblad * Contribution by a-lurker and Anticimex, * Contribution by Norbert Truchsess <norbert.truchsess@t-online.de> * Contribution by Tomas Hozza <thozza@gmail.com> * * * DESCRIPTION * The EthernetGateway sends data received from sensors to the ethernet link. * The gateway also accepts input on ethernet interface, which is then sent out to the radio network. * * The GW code is designed for Arduino 328p / 16MHz. ATmega168 does not have enough memory to run this program. * * LED purposes: * - To use the feature, uncomment MY_DEFAULT_xxx_LED_PIN in the sketch below * - RX (green) - blink fast on radio message recieved. In inclusion mode will blink fast only on presentation recieved * - TX (yellow) - blink fast on radio message transmitted. In inclusion mode will blink slowly * - ERR (red) - fast blink on error during transmission error or recieve crc error * * See http://www.mysensors.org/build/ethernet_gateway for wiring instructions. * */ // Enable debug prints to serial monitor #define MY_DEBUG // Enable and select radio type attached //#define MY_RADIO_NRF24 #define MY_RADIO_RFM69 #define MY_RF69_SPI_CS 3 // Enable gateway ethernet module type #define MY_GATEWAY_W5100 // W5100 Ethernet module SPI enable (optional if using a shield/module that manages SPI_EN signal) //#define MY_W5100_SPI_EN 4 // Enable Soft SPI for NRF radio (note different radio wiring is required) // The W5100 ethernet module seems to have a hard time co-operate with // radio on the same spi bus. #if !defined(MY_W5100_SPI_EN) && !defined(ARDUINO_ARCH_SAMD) #define MY_SOFTSPI #define MY_SOFT_SPI_SCK_PIN 14 #define MY_SOFT_SPI_MISO_PIN 16 #define MY_SOFT_SPI_MOSI_PIN 15 #endif // When W5100 is connected we have to move CE/CSN pins for NRF radio #ifndef MY_RF24_CE_PIN #define MY_RF24_CE_PIN 5 #endif #ifndef MY_RF24_CS_PIN #define MY_RF24_CS_PIN 6 #endif // Enable to UDP //#define MY_USE_UDP #define MY_IP_ADDRESS 192,168,100,254 // If this is disabled, DHCP is used to retrieve address // Renewal period if using DHCP //#define MY_IP_RENEWAL_INTERVAL 60000 // The port to keep open on node server mode / or port to contact in client mode #define MY_PORT 5003 // Controller ip address. Enables client mode (default is "server" mode). // Also enable this if MY_USE_UDP is used and you want sensor data sent somewhere. //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 254 // The MAC address can be anything you want but should be unique on your network. // Newer boards have a MAC address printed on the underside of the PCB, which you can (optionally) use. // Note that most of the Ardunio examples use "DEAD BEEF FEED" for the MAC address. #define MY_MAC_ADDRESS 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED // Enable inclusion mode #define MY_INCLUSION_MODE_FEATURE // Enable Inclusion mode button on gateway //#define MY_INCLUSION_BUTTON_FEATURE // Set inclusion mode duration (in seconds) #define MY_INCLUSION_MODE_DURATION 60 // Digital pin used for inclusion mode button //#define MY_INCLUSION_MODE_BUTTON_PIN 3 // Set blinking period #define MY_DEFAULT_LED_BLINK_PERIOD 300 // Flash leds on rx/tx/err // Uncomment to override default HW configurations //#define MY_DEFAULT_ERR_LED_PIN 7 // Error led pin //#define MY_DEFAULT_RX_LED_PIN 8 // Receive led pin //#define MY_DEFAULT_TX_LED_PIN 9 // Transmit led pin #if defined(MY_USE_UDP) #include <EthernetUdp.h> #endif #include <Ethernet.h> #include <MySensors.h> void setup() { } void loop() { } PINs are : NANO W5100 RFM69 ------------------ GND GND GND 3.3V VCC 5V VCC 13 SCK SCK 6 NSS 12 MISO MISO 11 MOSI MOSI 10 SS/CS and the startup like this 0;255;3;0;9;MCO:BGN:INIT GW,CP=RRNGA--,VER=2.1.0 0;255;3;0;9;TSM:INIT 0;255;3;0;9;TSF:WUR:MS=0 0;255;3;0;9;TSM:INIT:TSP OK 0;255;3;0;9;TSM:INIT:GW MODE 0;255;3;0;9;TSM:READY:ID=0,PAR=0,DIS=0 0;255;3;0;9;MCO:REG:NOT NEEDED IP: 192.168.100.254 0;255;3;0;9;MCO:BGN:STP 0;25 Did somebody see my fault ? BR Sascha
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  D0/Rx and D1/Tx pins in Arduino as digital input
  11 Feb 2017, 15:30 • JareckiB12   11 Feb 2017, 16:24

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  11 Feb 2017, 16:24

  @JareckiB12 yes that is possible, provided you don't use them for serial communication.
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  Bluetooth presence / proximity
  11 Feb 2017, 14:31 • gohan   11 Feb 2017, 15:11

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  11 Feb 2017, 15:11

  I did look at the other topics like you suggested, but they were all quite old and the one you specified it looked not entirely relevant since it is detecting active beacons while I would like to scan for low energy devices, so I'm not entirely sure the hw is the same
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  Single layer PCB
  10 Feb 2017, 20:11 • Martin Tellblom   10 Feb 2017, 20:11

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  Recommended setup for MQTT and RFM69
  9 Feb 2017, 18:45 • PhracturedBlue   10 Feb 2017, 16:43

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  10 Feb 2017, 16:43

  Can't you make an mqtt client ethernet gateway with w5100 shield on an Arduino Uno?
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  NExtion and I2C
  10 Feb 2017, 14:27 • Bos Video   10 Feb 2017, 14:27

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  MySensors Gatway dimmers & Home assistant
  9 Feb 2017, 07:16 • Richard van der Plas   10 Feb 2017, 10:24

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  10 Feb 2017, 10:24

  @martinhjelmare Thanks for the input, when i arrive home ill update my code
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  Is there an easier way to compare the voltages of these two sensors?
  9 Feb 2017, 09:35 • longkke   9 Feb 2017, 13:40

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  9 Feb 2017, 13:40

  Above question comes from a spam bot. See: http://electronics.stackexchange.com/questions/235276/digital-circuit-to-compare-two-voltages/235279 (their bot seem to suck up questions from electronics.stackexchange.com, insert their links and post to forums) If we see any more questions with Kynix-links, I'll just delete the new accounts. The @longkke user will be kept and banned for reference. I hope this will help other forums identifying Kynix as a SPAM cooperation.
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  Driveway Alarm / Vehicle detection
  8 Feb 2017, 08:31 • Tris   9 Feb 2017, 09:00

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  9 Feb 2017, 09:00

  If you did not yet buy that chip: According to SparkFun, that sensor is retired. But they do suggest alternatives. I am not sure if that's SparkFuns definition or Honeywell
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  Serial gateway using Arduino Mega, how to set what serial to use ?
  27 Dec 2016, 17:01 • Redguy   6 Feb 2017, 16:49

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  6 Feb 2017, 16:49

  Tried ir, but no change.. Serial0 was still used while serial1was defined
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  IKEA trådfri
  ikea tradfri trådfri • 3 Oct 2016, 10:51 • flopp   6 Feb 2017, 16:01

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  6 Feb 2017, 16:01

  @nikgru extensive teardown of the lamp (German, but you know how to translate) : https://m.heise.de/make/artikel/Ikea-Tradfri-Das-steckt-im-Smart-Home-aus-dem-Moebelhaus-3597295.html?wt_ref=http%3A%2F%2Fhackaday.com%2Fblog%2F&wt_t=1486396685063
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  Low power display from electronic shelf label (ESL)
  5 Feb 2017, 20:10 • sola   6 Feb 2017, 14:46

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  6 Feb 2017, 14:46

  Thanks for the link. Still not cheap (1.44" for $12) but at least not outrageous like the Adafruit.
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  Connect Serial Gateway to Openwrt routers TX RX pins
  2 Feb 2017, 09:56 • derrij   6 Feb 2017, 07:42

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  6 Feb 2017, 07:42

  @derrij The console paramter needs to be removed completely. You cannot use the uart for domoticz and as serial console at the same time. https://wiki.openwrt.org/doc/recipes/terminate.console.on.serial
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  RFM98PW / RFM95PW new LoRa modems
  5 Feb 2017, 17:45 • mihai.aldea   5 Feb 2017, 21:51

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  5 Feb 2017, 21:51

  They're an interesting option in special use cases. Eg. I mounted a sensor on my flat building janitor's storage room. I wanted to know if she comes daily as agreed and if so, how long does it take for her to clean the staircase. The RFM69 modules didn't worked so I switched to RFM96 which struggles to get the signal through 2 floors and on the other side of the building where I placed my gateway. And this while using RFM95_BW31_25CR48SF512. It works, but if I were at the 3rd floor, I'm sure it wouldn't have worked. Next thing I want to monitor the status of the water pumps that are in a special room beneath ground and also on the opposite side of the building. And I'm pretty sure that the RFM95 will not make it there unless directional antennas or repeaters are involved.
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  Battery alternative for DS3231 ?
  4 Feb 2017, 20:46 • mfalkvidd   5 Feb 2017, 18:27

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  5 Feb 2017, 18:27

  I desoldered the 201 resistor, found that easier than cutting the trace. Works great.
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  SensebenderGateway + Wifi esp8266ex + Radio nrf24l01
  5 Feb 2017, 10:13 • Viktor Zeman   5 Feb 2017, 12:32

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  5 Feb 2017, 12:32

  @Viktor-Zeman The Sensebender gateway is not intended for wifi use, as we already have solutions for that using the ESP8266 native mysensors build. It can use USB or ethernet..
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  ESP8266 - 07: What are the correct connections for deepsleep? (SOLVED)
  5 Feb 2017, 10:57 • Zed   5 Feb 2017, 10:57

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  Sensebender Micro - Serial console - reading problem
  3 Feb 2017, 07:56 • Viktor Zeman   3 Feb 2017, 15:45

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  3 Feb 2017, 15:45

  @tbowmo great answer! I agree, you are right, it has no sense to change frequency in my case. I want to measure temperature each few minutes and than sleep ...
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  Paying peanuts
  2 Feb 2017, 13:29 • idi0tech   3 Feb 2017, 08:44

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  3 Feb 2017, 08:44

  Good to know and good to hear. Have fun with your projects!
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  what does MY_RF24_ADDR_WIDTH means?
  2 Feb 2017, 18:20 • leeoz   2 Feb 2017, 18:20

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  Question about powering the nrf24l01+ with atmega328ppu ?
  1 Feb 2017, 09:58 • linkos   1 Feb 2017, 12:49

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  1 Feb 2017, 12:49

  thanks for your answer it's a good news because i've allready made the pcb for the module ^^
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  The mysterious case of overly active motion sensors
  31 Jan 2017, 21:54 • LastSamurai   31 Jan 2017, 21:54

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  Problem with Serial Gateway equipped with RFM69W and 1st sensor
  28 Jan 2017, 21:43 • moumout31   30 Jan 2017, 17:50

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  30 Jan 2017, 17:50

  Hello, I also precise that first I didn't use a level shifter to reduce 5V Arduino to 3,3V for RFM69W pins. Thus when I tried again, I used new RFM69W chips.
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  Is the sensbender micro already preloaded with the Dualoptiboot bootloader?
  27 Jan 2017, 11:57 • nick van alst   27 Jan 2017, 16:02

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  27 Jan 2017, 16:02

  Thanks @nick-van-alst for asking and @tbowmo for answering. I've added info on the bootloader at https://www.mysensors.org/view/1
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  BME280 Sensor Presentation
  26 Jan 2017, 20:27 • naviathan   26 Jan 2017, 21:38

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  26 Jan 2017, 21:38

  @naviathan You should present each child sensor as it own type, that is: child sensor id -> type 1 -> S_TEMP 2 -> S_HUMIDITY 3 -> S_BAROMETER and then use the correct V_ types for transmitting the different sensor types.
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  Arduino UNO R3 maximum current?
  25 Jan 2017, 13:36 • xydix   26 Jan 2017, 09:49

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  26 Jan 2017, 09:49

  Not so fancy but this is how I did. It will do for now. This is the 5V pin under the USB connector. Now I get 5V directly from my USB power supply.
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  Sensbender micro interrupts
  24 Jan 2017, 12:05 • nick van alst   26 Jan 2017, 07:37

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  26 Jan 2017, 07:37

  @hek So the IRQ pin is connected to the Arduino D2? AH nvm i checked the schematic and found it, thanks! will try this!
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  Waterproof Lux Sensor
  22 Jan 2017, 18:35 • rnollen   25 Jan 2017, 19:39

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  25 Jan 2017, 19:39

  I saw this one: http://www.ebay.com/itm/Digital-Light-Intensity-Sensor-Module-BH1750FVI-Stable-For-Arduino-TW-/131903322284?hash=item1eb60cf8ac:g:t1MAAOSwV0RXqVe9 This one looks better for outside use I think, because the sensor itself is more protected for water.
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  MQTT MySensors gateway via serial/ESP8266
  23 Jan 2017, 18:39 • LastSamurai   25 Jan 2017, 15:19

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  25 Jan 2017, 15:19

  @mfalkvidd Thank you, I guess I will use the ESP then. Or perhaps I will try to write a script to use MQTT with the serial gateway... why add another network layer (WiFi) if you don't have to...
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  Help with OTA using RFM69HCW needed please
  18 Jan 2017, 15:47 • doug   24 Jan 2017, 20:45

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  24 Jan 2017, 20:45

  I have managed to solve this it looks like the CRC failure was down to an incompatible SPI Memory chip. I am now using Brand Adesto Technologies Mfr. Part No. AT25SF041-SSHD-B RS Stock No.223-0562 and it seems to work very well now. Especially if you take Martins recommendations below @martinhjelmare said in OTA firmware updating is too slow..: I implemented a check for firmware update message in my modified SenseBenderMicro sketch, and alternative behavior in the loop if FW update is ongoing. This doesn't solve the problem of dropped messages, but could be good to speed up the update and don't waste time on sensor updates. void loop() { if (fwUpdateOngoing) { fwUpdateOngoing = false; fwUpdateOngoing = wait(OTA_WAIT_PERIOD, C_STREAM, ST_FIRMWARE_RESPONSE); } else { normalFlow(); } } void normalFlow() { // Short delay to allow buttons to properly settle sleep(5); int buttonValue = digitalRead(BUTTON_PIN); measureCount ++; sendBattery ++; bool forceTransmit = false; transmission_occured = false; #ifndef MY_OTA_FIRMWARE_FEATURE if ((measureCount == 5) && highfreq) { clock_prescale_set(clock_div_8); // Switch to 1Mhz for the reminder of the sketch, save power. highfreq = false; } #endif if (measureCount > FORCE_TRANSMIT_INTERVAL) { // force a transmission forceTransmit = true; measureCount = 0; } sendTempHumidityMeasurements(forceTransmit); if (buttonValue != oldValue) { // Send in the new buttonValue send(msg.set(buttonValue==HIGH ? 0 : 1)); oldValue = buttonValue; transmission_occured = true; } #ifdef MY_OTA_FIRMWARE_FEATURE if (transmission_occured) { fwUpdateOngoing = wait(OTA_WAIT_PERIOD, C_STREAM, ST_FIRMWARE_RESPONSE); } #endif sleep(digitalPinToInterrupt(BUTTON_PIN), CHANGE, MEASURE_INTERVAL); }
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  This topic is deleted!
  22 Jan 2017, 15:53 • A Former User   22 Jan 2017, 15:53

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  This topic is deleted!
  22 Jan 2017, 15:51 • A Former User   22 Jan 2017, 15:51

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  Battery powered temp sensor, minimize drain?
  21 Jan 2017, 20:50 • Efflon   21 Jan 2017, 21:26

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  21 Jan 2017, 21:26

  @Efflon yes, that's correct.
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  Ceech-Board Buyers
  20 Jun 2016, 09:22 • doesel33   21 Jan 2017, 16:20

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  21 Jan 2017, 16:20

  I purchased from him before and recieved my boards. He also helped me get them set up.
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  Sensor Shield
  20 Jan 2017, 15:59 • gohan   20 Jan 2017, 15:59

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  Multiple Gateways for redundancy
  3 Jan 2017, 20:27 • David   20 Jan 2017, 15:57

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  20 Jan 2017, 15:57

  It all depends if it is mission critical stuff, otherwise just keep a spare rpi and an arduino board pre-programmed that you can easily swap.
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  My first multisensor daughter board
  11 Sept 2015, 07:48 • scalz   19 Jan 2017, 19:14

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  19 Jan 2017, 19:14

  @alexsh1 veml6070 works nice. that's a while i've done this ulpnode board. finally i've done my coincell multisensors for indoor. And now, for lot of sensors etc i use more powerful mcu. That said i have a weather extension board with lot of sensors including the veml6070. will try to release when i'have time
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  NRF24L01+PA+LNA with Raspberry PI 3
  19 Jan 2017, 05:35 • esawyja   19 Jan 2017, 10:21

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  19 Jan 2017, 10:21

  Wow, yes I am, thanks a lot!!
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  Pressure Sensor - minimum detectable pressure change
  17 Jan 2017, 20:47 • jimbolaya   18 Jan 2017, 21:22

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  18 Jan 2017, 21:22

  Oops. My bad. I thought I listed the sensor. I was looking at the BMP180 on the atmospheric pressure sensor build page. It looks like the BMP280 also has a +- 1 hPa absolute accuracy. Maybe I could take advantage of the better relative accuracy and sample pressure when the furnace is both running and not. The not running pressure would give me a good baseline.
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  NRF24L01+ vs RFM69
  16 Jan 2017, 10:16 • esawyja   18 Jan 2017, 11:59

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  18 Jan 2017, 11:59

  The comparison has been done many times - just browse the forum or google it. Basically, if you are looking for stability and range, I'd recommend going for rfm69 nrf24l01+ is great too, much cheaper, but be prepared to face (a) fake transceivers and hence RF issues (2) power issues (3) range issues. Sometimes, one has to spent a lot of time to make them work sadly.
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  Battery powered PIR
  9 Mar 2015, 12:56 • therik   18 Jan 2017, 10:16

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  18 Jan 2017, 10:16

  Hi does anyone know where i actually find the FT531IA? on aliexpress there are only FT531EA with output of 2.5V
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  Sparkfun nrf24 on my sensors
  17 Jan 2017, 22:30 • abrasha   18 Jan 2017, 02:09

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  18 Jan 2017, 02:09

  @mfalkvidd plus a voltage regulator so i can plug the vcc directly into VIN for more current.
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  Arduino Pro Mini + nRF24L01 (jmodule?? or something else)
  15 Jan 2017, 19:13 • martim   17 Jan 2017, 12:49

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  17 Jan 2017, 12:49

  @Nca78 My colleague bought a box of 18 cr123a on Amazon branded keenstone for 26€
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  Is it worth building accurate sensors?
  16 Jan 2017, 15:22 • gohan   17 Jan 2017, 09:45

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  17 Jan 2017, 09:45

  @sundberg84 I'll consider it thanks! The price is higher of course but still in the affordable range. You see, personally I find useless to collect data that is inaccurate even if it is cheap. I have been playing with the DHT11 because I found it in the arduino starter kit I bought last year, so for prototyping is ok, but for a real application I'd prefer more accuracy and reliability
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  Gateway all in one
  16 Jan 2017, 08:16 • pepson   16 Jan 2017, 16:37

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  16 Jan 2017, 16:37

  For the moment, the lib doesn't support multiple transport (rfm69, rs485 etc.) at same time. Also, important side not, i don't think a Nano is enough powerful for doing this, flash nor ram..maybe i'm wrong
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  3 + 4 way switch with a relay
  18 Feb 2016, 18:35 • Sefi Ninio   16 Jan 2017, 12:34

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  16 Jan 2017, 12:34

  I dont think the solution is what you wanted, if the arduino fails, you will not be able to turn the light on. It is good only to be able to override switches and turn lights off. I would like to come up with a full solution instead...
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  NRF24L01+ some batches won't power down properly
  15 Jan 2017, 11:21 • รอเรือ   16 Jan 2017, 08:21

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  16 Jan 2017, 08:21

  @Nca78 said: @รอเรือ said: I decided to test all my 20 sensors and found out that 3 out of 20 actually could power down. Starting the tedious work to un-solder the radios of the remaining sensors now. Using the link in the store, I ordered 30 new from Ebay http://www.ebay.com/itm/400594940658?rmvSB=true This vendor state that their radios will consume 1 uA in sleep mode. I will test all of them at arrival. I believe it's a bit more safe to buy radios on Ebay because it's easy to complain if something shouldn't work as expected. Cheers! Is it too late for you to open a dispute ? With pictures of your multimeter showing current for "normal" module and current for "failing" module + text explanations, it should be possible to get most of your money back. Also, put an evaluation about the radio. If like many people you put many stars before testing the product, you can still add additionnal feedback, that will be useful for the next users who will be tempted to buy from this seller. Hi! Unfortunately I did my review before testing them in sleep mode. I won't do that next time for sure. I will see if I can make an additional review. I have no hope to regain any money from them though. Thanks for the tip.
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  MAX6675 Temp Calibration
  15 Jan 2017, 04:39 • co_biker   15 Jan 2017, 04:39

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  SCT-013-030 to measure watt
  19 Sept 2016, 10:01 • Patrik Söderström   14 Jan 2017, 23:07

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  14 Jan 2017, 23:07

  So my current transformers just came. I would like to build the circuit for this and I have one question. For the burden resistor and the voltage divider resistors, can I use 1/8 watt resistors or would I be better with 1/4 watt or higher?
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  MP1584EN DC DC3A Eagle component
  12 Jan 2017, 10:00 • ErrK   12 Jan 2017, 21:09

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  12 Jan 2017, 21:09

  @GertSanders Thanks a lot!
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  CH340G okay for sensors?
  11 Jan 2017, 20:55 • Joakim Johansson   12 Jan 2017, 15:50

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  12 Jan 2017, 15:50

  Mac OS X Sierra driver Working also with Mac OS, but Sierra crashes and here is link for working driver
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  Co2 sensor connexion and calibration
  11 Jan 2017, 09:12 • sensor_help26   11 Jan 2017, 09:12

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  Pin-compatible RFM69?
  9 Jan 2017, 14:18 • Aron Sjöberg   9 Jan 2017, 16:40

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  9 Jan 2017, 16:40

  Sparkfun also sells a breakout board and has a hookup guide, https://learn.sparkfun.com/tutorials/rfm69hcw-hookup-guide
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  Vibration measurement sensor for mysensors node
  7 Jan 2017, 00:09 • Redguy   9 Jan 2017, 12:22

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  9 Jan 2017, 12:22

  Thanx guys ! I ordered a ADXL345 digital three-axis acceleration of gravity tilt module on ali to see what this will do with such small measurements. stumbled upon this via one of Wallyllama's links : https://tc1seismometer.wordpress.com/2012/06/18/tc1-vertical-seismometer-plans/ Seems easy enough to have some fun with as well.
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  PIR logic shifting 6 volt low 12 volt high - help needed
  9 Jan 2017, 02:48 • PaulD   9 Jan 2017, 08:07

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  9 Jan 2017, 08:07

  @PaulD One option is to use a voltage divider, to get the voltages down to 2,5/5V, and then design a schmitt trigger, to convert the 2.5/5V to 0/5V output swing. For schmitt trigger design you could have a look at http://www.aaabbb.de/NonInvertingSchmittTrigger/NonInvertingSchmittTrigger_en.php Another option, is to have a virtual ground at 6V, that you connect your arduinos ground pin to.. (It can not share the same powersupply as the PIR sensors then). The arduino will then see a voltage swing of 0-6V (Can be limited with a resistor / zener diode on the input on the arduino). The virtual ground can be created with a simple resistor divider, between GND and 12V line of the pir sensor. I would probably go for option 1, as it allows you for detecting if the PIR sensor is online (is there 6V on the signal pin?) and trigger another pin, in case it disappears.
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  What kind of capacitor is need for the NRF24L01+
  10 Dec 2016, 12:37 • LastSamurai   8 Jan 2017, 07:51

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  8 Jan 2017, 07:51

  You cannot skip the capacitor when using a radio with a CR2032. Just use a good quality ceramic one to limit the losses.
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  Raspberry uninteruptable power suppy
  23 Sept 2016, 14:31 • karl261   7 Jan 2017, 16:58

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  7 Jan 2017, 16:58

  My UPS is working fine now for the past several months. My current setup is like this: AC -- Power suppply power bank -- power bank -- supercaps -- voltage regulator 5V -- raspi. The supercaps are needd because when the powerbank switches there is a short power interruption. The supercaps are buffering this. The 5V voltage regulator is needed, because when the power bank is charging and discharging at the same time its output voltage drops to 4.6 V or so. The voltage regulator keeps this at 5 V at all times.
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  Multiple gateways on RPI3
  15 Dec 2016, 21:04 • Redguy   7 Jan 2017, 00:01

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  7 Jan 2017, 00:01

  So first i pull the mysensors code from github to my raspberry pi. For running a mysensors gateway node on my raspberry pi using RS485 for transport i would then set it up with ./configure --my-gateway=serial --my-serial-is-pty --my-serial-pty=/dev/ttyUSBMySGW1 --my-transport=rs485 --my-rs485-serial-port=/dev/ttySC0 --my-rs485-baudrate=19200 --my-rs485-de-pin=23 Then make and make install that gateway and voila.. I can do the same for an RF based gateway running on the raspberry pi itself using a directly connected NRF module, which would recreate the mysensors files and install those. Which means i have either the RS485 or the RF gateway. Not both at the same time. My point is, how to set this up properly so i can compile 2 mysensors gateway instances on the same raspberry pi and run them at the same time. 1 for RF and one using RS485 ???
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  DHT sketch version 2.1.0 no data i IDE seiel
  6 Jan 2017, 22:21 • MLs   6 Jan 2017, 22:21

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  Defective pro mini and the solution
  5 Jan 2017, 13:16 • fleinze   5 Jan 2017, 14:06

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  @fleinze interesting experience. Thanks for sharing.
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  AAA Eneloop vs. "normal" battery
  4 Jan 2017, 14:19 • gloob   4 Jan 2017, 17:46

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  4 Jan 2017, 17:46

  Currently I mostly use Alkaline but on some project I use old handy-lipo-batteries. They are nice since they include some basic safety circuits. Most of my projects work on 2xAA-Alkaline with 1mhz-AVR .. pretty good experience so far .. even with uses ones.
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  Maximum practical nodes
  3 Jan 2017, 16:10 • Nicholas Underwood   3 Jan 2017, 17:40

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  3 Jan 2017, 17:40

  @flopp said: I guess you need one Gateway for each channel? Yes
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  Separating USB/MCU power buses
  3 Jan 2017, 08:53 • jecci   3 Jan 2017, 09:41

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  3 Jan 2017, 09:41

  Not near a cad program at the moment, but try the following: Connect output of U8 / capacitor C34 pin 2, to pin 1 of D1, connect J1 pin 4 (vcc) to D1 pin 2, and attach your +5V to D1 pin 3. This way the source with the highest voltage will supply your circuit.. The actual VCC will be Vin - drop voltage over D1 (0.3V usually), that is 4.7V in your example. But that is next to nothing..
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  Texas Instruments Sensortag CC2650?
  31 Dec 2016, 13:44 • Cliff Karlsson   31 Dec 2016, 15:07

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  31 Dec 2016, 15:07

  For advanced users. Not an out of the box thing, nor usable with mysensors. for writing your firmware, you may need to look if cc2650 is Arduino compatible (Energia). but i'm not sure..then you would need TI's compilers and tools. For use, when you have your firmware ready, it depends on the controller which protocols it supports. perhaps nodered too. you'll need a receiver (GW). for bluetooth or others protocols
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  Multi-sensors board
  30 Dec 2016, 10:15 • Lior Rubin   30 Dec 2016, 11:01

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  30 Dec 2016, 11:01

  @mfalkvidd I actually mean for something that is assembled already which I can just integrat it. I look for something like this: http://selfbuilt.net/shop/gy-80-inertial-management-unit
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  So many arduino and radio choices!
  rfm69 micro trinket • 28 Dec 2016, 23:37 • Michael_K   29 Dec 2016, 21:27

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  29 Dec 2016, 21:27

  Welcome to the club! Regarding radio's: The RFM69's with a C in the type have a smaller form factor (which is pin compatible with the predecessor RFM12B). The the 'W' and "HW' versions are larger in size and have more programmable pins (which MySensors does not use) but have exactly the same functionality within MyS. All the footprints on the boards available in OpenHardware.io are for the 'W' and 'HW' versions so I'd go with one of these. The 'W' uses way less power than the 'HW' which would be good the for the battery life of your nodes. Sensors powered by the grid can be 'HW', but usually, in the house a 'W' delivers enough TX power to get the message across. It might be a good idea to make your gateway with a 'HW'. Hope this gets you a bit further. Good luck and show us your results!
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  RFM69 - Which module to use?
  1 Dec 2016, 10:26 • gloob   29 Dec 2016, 15:08

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  29 Dec 2016, 15:08

  For info on ISM frequencies, check out these pages: https://en.wikipedia.org/wiki/ISM_band http://store.cutedigi.com/rfm69-wireless-transceiver-915mhz-13dbm/
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  NRF24L01 radio problems. (Bermuda triangle shit)
  27 Dec 2016, 16:28 • SuperKris   28 Dec 2016, 09:37

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  28 Dec 2016, 09:37

  I for sure learned to double check any print terminal i take out of sample boxes. Damn... The 230V part of the board has a 5.08mm pitch for all lanes. I cut out the PCB pads and via's of the experimental board on both sided for insulation. The decoupling for 5V was done with 470u and 100n as close as possible to the Arduino. Same for the radio with 47u and 100n. There is only 1 real way to do this. Same goes for all the other connections. There are no other components in there. Except for the psu output and the radio voltage i cant think of anything that causes the issue with the radios.
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  itho, duco, orcon, zehnder or storkair perilex ventilation controller!
  28 Dec 2016, 09:15 • TriXwooD   28 Dec 2016, 09:15

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  Range extendsion
  24 Dec 2016, 13:32 • dennis_henk   28 Dec 2016, 01:38

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  28 Dec 2016, 01:38

  @dennis_henk the programming side is simple Follow the instructions here https://www.mysensors.org/build/ethernet_gateway
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  Power Measurements
  26 Dec 2016, 14:01 • skatun   26 Dec 2016, 21:30

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  26 Dec 2016, 21:30

  i came across this one: https://github.com/FriedCircuits/ADE7753/tree/master/ADE7753_Breakout_v.2 I want it in this form http://download.schneider-electric.com/files?p_Reference=CA9SS048E&p_EnDocType=Application solutions&p_File_Id=5047423337&p_File_Name=CA9SS048E (web).pdf or something like this https://www.aliexpress.com/item/Free-shipping-DDS6866-5-30-A-230V-50HZ-Single-phase-Din-rail-KWH-Watt-hour-din/32324079915.html?spm=2114.01010208.3.54.D7Ft8i&ws_ab_test=searchweb0_0,searchweb201602_1_116_10065_117_10068_114_115_113_10000009_10084_10083_10080_10082_10081_10060_10061_10062_10056_10055_10054_10059_10099_10078_10079_427_10103_10073_10102_10096_10052_10050_10051-10102,searchweb201603_9,afswitch_3&btsid=81065051-9d8f-4742-afff-05bace226fa6 or this one, but it seems to output serial data, how many software serial can you have on one arduino? https://www.aliexpress.com/item/Mini-Multifuncion-power-energy-amp-voltage-monitor-meter-communication-module-with-CT-coil-AC-80-260V/32512169668.html?spm=2114.01010208.3.156.Hh7LxY&ws_ab_test=searchweb0_0,searchweb201602_1_116_10065_117_10068_114_115_113_10000009_10084_10083_10080_10082_10081_10060_10061_10062_10056_10055_10054_10059_10099_10078_10079_427_10103_10073_10102_10096_10052_10050_10051-10050_114,searchweb201603_9,afswitch_3&btsid=810667df-39e8-4801-a123-f3cd7ca3456a
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  IR Blaster (progress)
  14 May 2015, 05:53 • blacey   26 Dec 2016, 13:41

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  26 Dec 2016, 13:41

  For info, Luminara works with USB-UIRT with windows (Eventghost) Code IR ON: 0000 006F 0000 000A 01DD 0054 00F1 0053 002C 007B 002D 007B 002C 007B 007C 002B 002D 007C 002C 007B 007B 002C 007B 0FF1 Code IR OFF: 0000 006F 0000 000A 01DD 0054 00F2 0053 002D 007B 002D 007B 002C 007B 007C 002C 002C 007B 002D 007B 007B 002C 002D 09F6 With Eventghost you can create request HTTP to Trigger IR signal I learned code IR with LM Remote KeyMap beacause EventGhost don't learn signal
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  Distance measurement
  26 Dec 2016, 06:17 • Prithiv Raj   26 Dec 2016, 07:16

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  Welcome to the MySensors community @Prithiv-Raj ! Have you looked at the distance sensor example?
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  MySensors 2.0 on Adafruit Feather 32U4 RFM69HCW
  23 Dec 2016, 14:01 • mihai.aldea   23 Dec 2016, 14:01

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  Board + Layout for 2xTemp/Humidity Sensor
  23 Dec 2016, 09:11 • DonHorsto   23 Dec 2016, 09:11

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  Nodemcu + nrf24l01+lna+pa serial gateway power
  22 Dec 2016, 11:15 • Fat Fly   22 Dec 2016, 18:47

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  22 Dec 2016, 18:47

  This pa level is in line 437 #define MY_RF24_PA_LEVEL RF24_PA_MAX ? For serial gateway.
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  Gateway on OSH Park
  9 Dec 2016, 06:31 • gloob   22 Dec 2016, 07:17

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  22 Dec 2016, 07:17

  @emc2, unfortunately not possible to merge discussion in the forum.
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  Uno stops sending
  23 Nov 2016, 06:02 • Jim Danforth   21 Dec 2016, 10:08

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  21 Dec 2016, 10:08

  well i have the same issues with my network. my last operation was to replace the repeaters with big 9dbi antenna and nano io shield which give the nrf direct power from the 12v socket (through 3.3 reg' of course). and still losing contact from time to time. **next phases ** 1 wrapping the tinfoil shield discussed here 2 adding relay to software reset the arduino (gnd and rst connected to relay - like arduino pressing its own reset button) * 3 replacing nrf with rfm69-433mhz - some say theyre better although require some soldering wires and logic converters (i'm waiting for my order from ebay to arrive.) about this library fail attempts modification - i didnt find something, but maybe MySensor.h has something in it - but i need some proffesional eyes here, BTW my setup is domoticz on Rpi, S-GW, E-GW, most nodes with nano-io-shiedl + nrf-pa-lna, library v1.5
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  ATMega 328P-PU: 8MHz or 1MHz
  20 Dec 2016, 13:31 • gloob   21 Dec 2016, 07:46

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  21 Dec 2016, 07:46

  Great ! I've done a small quick desktop test this morning. I've managed to burn optiboot with 8mhz internal RC, it works ok with just the Atmega328 and no external parts But, I've searched for fuses settings for 1mhz. Found none ! I suppose I have to choose "8Mhz int rc" and apply "clock divisor =8 " ? So, the int. RC will run 8mhz, but the cpu will be clocked 8 times slower, so 1mhz ? Am I right ?
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  Arduino Zero supported
  18 Dec 2016, 18:04 • Jackpot   19 Dec 2016, 17:14

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  19 Dec 2016, 17:14

  Thanks for the info , so the bottom line if I understand correctly, is that the Zero will work as a Serial Gateway and NOT work as an Ethernet Gateway.
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  Iboard - Cheap Single board Ethernet Arduino with Radio
  iboard • 22 Jul 2014, 04:20 • gregl   18 Dec 2016, 11:23

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  18 Dec 2016, 11:23

  @TimO Thank you very much for your help, now I succesfully connected my iboard card as LAN Gateway without doing any HW modification and even any software modification to any library, simply using the sketch you sent here. For general information to other people that want to use the iboard card with Domoticz, to avoid any problem like the following: 2016-12-18 12:06:40.840 MySensors: trying to connect to: 192.168.1.133:5603 2016-12-18 12:06:41.841 MySensors: connected to: 192.168.1.133:5603 2016-12-18 12:06:45.841 MySensors: Connection reset! 2016-12-18 12:06:45.842 TCP: Reconnecting in 30 seconds... Consider to use the Arduino IDE 1.6.8 to compile and upload the sketch, otherwise, with newest Arduino IDE you will get the error messages above. Thank you again for you help and a big hello to all the members of the forum. Regards
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  Arduino + RS-485 + Ethernet + Radio
  28 Nov 2016, 14:34 • Threestars   17 Dec 2016, 16:43

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  17 Dec 2016, 16:43

  I have just started using mysensors myself but the shared D10 pin you mention is an issue for sure.. Both the ethernet module and the RFM radio use an SPI connection to communicate. The SPI bus can be shared between multiple devices is you want (MOSI,MISO, SCK), and do so based on a separate signal "Chip Select" Each device sharing the SPI bus need to have their own dedicated CS signal to know if it is their turn to use their shared SPI bus. In you proposal however, software based SPI is used ,so both of your devices have their own data pins.. But they still need their own dedicated CS signal. Which is the signal you intend to share.. that wont work,. Also, I have been asking around if you can create a combined gateway node for both wireless (NRF/RFM based) and wired (RS485 based) communication.. From what I gather, it is not possible to combine these functions. 2 separate gateway nodes are needed.
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  board with relay for hide behind switch.
  17 Dec 2016, 14:46 • Rodolfo Vieira   17 Dec 2016, 14:46

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  AM2320 will this work as a replacement for AM2302 / DHT22
  13 Nov 2015, 10:29 • brchevo   15 Dec 2016, 08:50

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  @Omemanti I think the AM2320 has got an "One-wire mode", at least if you look at the datasheet. I have not tried it though. I also had great difficulties in getting the AM2320 to work with I2C until I realised late last night that I had forgotten to include the pull-up resistors, 4k7 each from SDC and SDA to Vcc. All other I2C sensors I have used have had them included on the breakout board but this sensor does not have them built in the sensor body. Now it works like a charm, one measurement of temp and hum every 2 minutes. There are a few arduino-libraries for AM2320 floating around. I use this: (https://github.com/thakshak/AM2320) Here is my sketch: /** * The MySensors Arduino library handles the wireless radio link and protocol * between your home built sensors/actuators and HA controller of choice. * The sensors forms a self healing radio network with optional repeaters. Each * repeater and gateway builds a routing tables in EEPROM which keeps track of the * network topology allowing messages to be routed to nodes. * * Created by Henrik Ekblad <henrik.ekblad@mysensors.org> * Copyright (C) 2013-2015 Sensnology AB * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors * * Documentation: http://www.mysensors.org * Support Forum: http://forum.mysensors.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * ******************************* * * DESCRIPTION * * Temperature and humidity measurement using the AM2320 with I2C interface * Battery voltage also monitored using internal reference * */ // Enable debug prints to serial monitor #define MY_DEBUG #define MY_NODE_ID 23 #define BATTERY_SENSE_PIN A0 // Input pin for battery sense #define VMIN 1.0 // (Min input voltage to regulator according to datasheet or guessing. (?) ) #define VMAX 3.22 // (Known or desired voltage of full batteries. If not, set to Vlim.) #define CHILD_ID_HUM 0 #define CHILD_ID_TEMP 1 // Enable and select radio type attached #define MY_RADIO_NRF24 //#define MY_RADIO_RFM69 #include <SPI.h> #include <AM2320.h> #include <Wire.h> #include <MySensors.h> #define DEBUG_PRINT 0 // Print temperature and humidity measurements on serial i/f. 1 = Yes 0 = No unsigned long SLEEP_TIME = 120000; // Sleep time between reads (in milliseconds) bool receivedConfig = false; bool metric = true; float temp, hum; // Create an AM2320 instance AM2320 th; // Initialize AM temperature message MyMessage msgt(CHILD_ID_TEMP,V_TEMP); // Initialize AM humidity message MyMessage msgh(CHILD_ID_HUM,V_HUM); void before() { // use the 1.1 V internal reference #if defined(__AVR_ATmega2560__) analogReference(INTERNAL1V1); #else analogReference(INTERNAL); #endif } void setup() { Serial.begin(115200); Wire.begin(); } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("Temp. Hum Sensor", "1.4"); // Present temp/humidity sensor to controller present(CHILD_ID_TEMP, S_TEMP); present(CHILD_ID_HUM, S_HUM); } void loop() { //Get temperature and humidity from AM2320 switch(th.Read()) { case 2: Serial.println("CRC failed"); break; case 1: Serial.println("Sensor offline"); break; case 0: temp = th.t; send(msgt.set(temp, 1)); hum = th.h; send(msgh.set(hum, 0)); if (DEBUG_PRINT == 1) { Serial.print("humidity: "); Serial.print(th.h); Serial.print("%, temperature: "); Serial.print(th.t); Serial.println("*C"); } break; } sleep (200); // get the battery voltage int batValue = analogRead(BATTERY_SENSE_PIN); // Battery monitoring reading float Vbat = batValue * 0.003363; int batteryPcnt = static_cast<int>(((Vbat-VMIN)/(VMAX-VMIN))*100.); sendBatteryLevel(batteryPcnt); sleep(SLEEP_TIME); }```
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  ATMEGA48+NRF24L01+ wireless Shield module
  13 Dec 2016, 05:29 • jakes   14 Dec 2016, 04:19

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  14 Dec 2016, 04:19

  Hello, you should give a try to "EasyPCB" it's very convenient to use and to make first sensors that are clean and without wires everywhere. It keeps things simple but still have a connector for each pin of the pro mini. I found it really great when I started with MySensors and still use sensors made with it now. Cost will be very low: less than 1.5$ for the PCB less than 2$ for the arduino pro mini clone less than 1$ for the NRF24L01+ Less than 5$ including capacitor for the radio, resistors, solder, ... 5$ left for the sensor, that's enough for a lot of options. https://forum.mysensors.org/topic/2740/easy-newbie-pcb-for-mysensors/ https://www.openhardware.io/view/4/EasyNewbie-PCB-for-MySensors
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  Share the neutral
  4 Dec 2016, 08:20 • moskovskiy82   12 Dec 2016, 04:43

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  12 Dec 2016, 04:43

  How did this go from a relay/power issue to changing RGB color values?
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  C.H.I.P. my controller choise
  11 Dec 2016, 06:20 • fernando alvarez buylla   11 Dec 2016, 06:20

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  Two motion sensors on one Arduino. How?
  29 Nov 2016, 10:55 • edsteve   9 Dec 2016, 10:21

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  9 Dec 2016, 10:21

  Nobody?
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  RPi as a node
  8 Dec 2016, 13:13 • A Former User   8 Dec 2016, 13:13

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  ATtiny supported?
  31 Aug 2014, 17:59 • Rasmus Eneman   6 Dec 2016, 20:29

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  6 Dec 2016, 20:29

  Does anyone have a working mysensors attiny node?
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  Hi, I'm new. Which radio should I use?
  5 Dec 2016, 19:52 • chef   6 Dec 2016, 00:19

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  6 Dec 2016, 00:19

  Thank you for the prompt reply and resources. It is appreciated.
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  Sensebender Micro + BMP085 Module: Power Consumption
  5 Dec 2016, 20:47 • Heinz   5 Dec 2016, 21:14

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  5 Dec 2016, 21:14

  I would remove the regulator, as it's not needed. I have had a node running for the last 6 months based on a Sensebender Micro and a bmp180 (if I remember correctly). Batteries have been used by the Sensebender alone in the 12 months prior to the addition of the bmp180, and the node still reports about 66% battery left (that's 18 months of service time, where the last 6 is with bmp180)
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  Chinese rubbish.... or is it?
  22 Jan 2016, 19:53 • Yveaux   5 Dec 2016, 17:32

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  5 Dec 2016, 17:32

  @Yveaux said: @FotoFieber yes, I did get it to work with a 3.3v pro mini. But the module you're referring to is not based on the vs1053 mp3 decoder chip, so it has to be controlled differently... Yes, the driver logic is different. But I would be interested, what message types you used. AFAIK there are no matching types defined by the api...
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  USB Gateway NRF24L01 external power supply
  2 Dec 2016, 22:01 • monaco   3 Dec 2016, 19:26

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  3 Dec 2016, 19:26

  I mean that you should try with a new nRF. I thought I fixed my problem when it worked for 2 days but I got error again. I finally changed the nRF and all my problems was gone. I recommend to use nRF PA LNA for a gateway then you have a strong nRF where all data shall arrive.
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  C.H.I.P.
  26 Feb 2016, 19:08 • tlustoch   3 Dec 2016, 06:01

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  3 Dec 2016, 06:01

  @vikasjee glady but I follow some one else steps lol https://bbs.nextthing.co/t/domoticz-small-how-to/2585 But instead of wget http://domoticz.sourceforge.net/beta/domoticz_linux_armv7l.tgz Just use Wget https://releases.domoticz.com/releases/beta/domoticz_linux_armv7l.tgz
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  dht11 CR2032 longevity
  17 Nov 2016, 10:32 • fhenryco   2 Dec 2016, 02:21

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  2 Dec 2016, 02:21

  @fhenryco I agree with you, I find it more simple to just remove the led. Cutting trace can lead to mistake (like you did on your first board) and there are a bunch of different promini clones, some might have traces using different paths than on the example.
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  Knock sensor keeps knocking. Alternative?
  1 Dec 2016, 13:33 • edsteve   1 Dec 2016, 14:59

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  1 Dec 2016, 14:59

  @edsteve - thanks for reporting back - it might help someone else in the future Great you solved it.
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  MH-Z14A CO2 sensor
  20 Jul 2016, 10:14 • inky14   1 Dec 2016, 05:59

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  1 Dec 2016, 05:59

  I finally found some time to really look in to this 562 issue. I looked at the raw data in DataMine2 and I noticed that the 562 value appeared every 10 minutes on the minute. Then I knew that this value cannot possibly come from the sensor. I search around in my Vera device for a bit and I found some lua code that copied the "Variable1" value from the sensor to the "CurrentLevel" every 10 minutes. Then I remembered that in the previous version of this sensor the value was reported via V_VAR1 and I had to copy it to another variable in Vera to be able to draw any graph. The current version of the sensor reports the value directly to the "CurrentLevel" variable and the value 562 that was still in the old variable was copied over the "real" value every 10 minutes. I also previously had some really low values from time to time from the sensor mostly when responseHigh = 1 and responseLow = negative value so I forced the responseLow to always be a positive value like this: int responseLow = abs((int) response[3]); I will keep an eye on the behavior of the sensor now that I have finally removed the confusing 562 value.
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  Battery Sensor with stepup and on/off transistor
  23 May 2015, 14:44 • n3ro   1 Dec 2016, 02:32

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  1 Dec 2016, 02:32

  @n3ro Couldn't you power the step-up from one of the arduino's digital pins? Then set the pin to HIGH/LOW to power the sensor on/off? Maybe it draws too much power?
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  esp8266 to dht22
  17 Nov 2016, 22:42 • Jim Danforth   28 Nov 2016, 18:26

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  28 Nov 2016, 18:26

  @kimot Tried that. Ca't get domoticz to see the sensor.
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  Using gyros with mysensors?
  26 Nov 2016, 13:23 • Cliff Karlsson   28 Nov 2016, 16:29

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  28 Nov 2016, 16:29

  @Cliff-Karlsson said: @tbowmo Like a "flex" sensor? Or loadcell? Like a flex sensor..
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  Arduino Micro suitable for use as MySensors node ?
  28 Nov 2016, 12:21 • Redguy   28 Nov 2016, 15:14

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  28 Nov 2016, 15:14

  I think people are running MySensors on ATmega32U4 without any problems... I.e. @fleinze https://github.com/mysensors/MySensors/pull/378
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  Transmission issues, looking for ideas
  8 Aug 2016, 07:07 • mortommy   28 Nov 2016, 15:11

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  28 Nov 2016, 15:11

  Juts to leave a record about the issue. I changed the GW radio module with a NRF24L01 + PA + LNA one, powered by the AMS1117 and the ugly fix. Everything seems to working fine now. Thank you to every one.
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  Serial gateway with NRF wireless + RS485 ??
  28 Nov 2016, 12:06 • Redguy   28 Nov 2016, 12:24

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  28 Nov 2016, 12:24

  You'll have to use separate gateways.
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  Mysensors 2.0 + Relay, DHT, and PIR - No Relay
  26 Nov 2016, 23:51 • rhuehn   27 Nov 2016, 19:59

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  27 Nov 2016, 19:59

  I did a similar project that is working well. Mine was powered all the time, so I didn't use the sleep code. The main reason I didn't was so that I could manually control the relay/light when there was no motion detected. It also allowed me to get continuous readings from the LDR so I could use that light level for other things if I ever wanted to. Here is a link to my project. https://forum.mysensors.org/topic/5243/driveway-motion-light . Maybe you can get some ideas from my code.
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  Ultra small ESP8266 node with 2 channel relay&temperature&dimmer Project
  27 Nov 2016, 18:09 • v1ck   27 Nov 2016, 18:09

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  Help with hacking a wireless outdoor weather station
  17 Nov 2016, 11:44 • breimann   27 Nov 2016, 10:05

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  27 Nov 2016, 10:05

  @Boots33 thanks that's really helpful info much appreciated. Now i need to decommission my Mega as my GW ready for RFlink and setup a new gateway.
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  How to mysensorise a new sensor via microUSB?
  22 Nov 2016, 13:14 • alexsh1   25 Nov 2016, 04:52

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  25 Nov 2016, 04:52

  There is an USB host shield: https://www.circuitsathome.com/arduino_usb_host_shield_projects/ This could be a solution.
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  Sample: ESP gateway with sensor
  24 Nov 2016, 11:04 • gloob   24 Nov 2016, 20:18

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  24 Nov 2016, 20:18

  @gloob I only commented out my network id/ passw/ and ip config A counter is included /** * The MySensors Arduino library handles the wireless radio link and protocol * between your home built sensors/actuators and HA controller of choice. * The sensors forms a self healing radio network with optional repeaters. Each * repeater and gateway builds a routing tables in EEPROM which keeps track of the * network topology allowing messages to be routed to nodes. * * Created by Henrik Ekblad <henrik.ekblad@mysensors.org> * Copyright (C) 2013-2015 Sensnology AB * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors * * Documentation: http://www.mysensors.org * Support Forum: http://forum.mysensors.org * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * ******************************* * * REVISION HISTORY * Version 1.0 - Henrik EKblad * Contribution by a-lurker and Anticimex, * Contribution by Norbert Truchsess <norbert.truchsess@t-online.de> * Contribution by Ivo Pullens (ESP8266 support) * * DESCRIPTION * The EthernetGateway sends data received from sensors to the WiFi link. * The gateway also accepts input on ethernet interface, which is then sent out to the radio network. * * VERA CONFIGURATION: * Enter "ip-number:port" in the ip-field of the Arduino GW device. This will temporarily override any serial configuration for the Vera plugin. * E.g. If you want to use the defualt values in this sketch enter: 192.168.178.66:5003 * * LED purposes: * - To use the feature, uncomment any of the MY_DEFAULT_xx_LED_PINs in your sketch, only the LEDs that is defined is used. * - RX (green) - blink fast on radio message recieved. In inclusion mode will blink fast only on presentation recieved * - TX (yellow) - blink fast on radio message transmitted. In inclusion mode will blink slowly * - ERR (red) - fast blink on error during transmission error or recieve crc error * * See http://www.mysensors.org/build/esp8266_gateway for wiring instructions. * nRF24L01+ ESP8266 * VCC VCC * CE GPIO4 * CSN/CS GPIO15 * SCK GPIO14 * MISO GPIO12 * MOSI GPIO13 * GND GND * * Not all ESP8266 modules have all pins available on their external interface. * This code has been tested on an ESP-12 module. * The ESP8266 requires a certain pin configuration to download code, and another one to run code: * - Connect REST (reset) via 10K pullup resistor to VCC, and via switch to GND ('reset switch') * - Connect GPIO15 via 10K pulldown resistor to GND * - Connect CH_PD via 10K resistor to VCC * - Connect GPIO2 via 10K resistor to VCC * - Connect GPIO0 via 10K resistor to VCC, and via switch to GND ('bootload switch') * * Inclusion mode button: * - Connect GPIO5 via switch to GND ('inclusion switch') * * Hardware SHA204 signing is currently not supported! * * Make sure to fill in your ssid and WiFi password below for ssid & pass. */ // Enable debug prints to serial monitor #define MY_DEBUG // Use a bit lower baudrate for serial prints on ESP8266 than default in MyConfig.h #define MY_BAUD_RATE 9600 // Enables and select radio type (if attached) #define MY_RADIO_NRF24 #define MY_RF24_CHANNEL 83 // radio channel, default = 76 //#define MY_RADIO_RFM69 #define MY_GATEWAY_ESP8266 #define MY_ESP8266_SSID "<your SSID" #define MY_ESP8266_PASSWORD "<your passw>" // Enable MY_IP_ADDRESS here if you want a static ip address (no DHCP) #define MY_IP_ADDRESS 192,168,2,120 // If using static ip you need to define Gateway and Subnet address as well #define MY_IP_GATEWAY_ADDRESS 192,168,2,254 #define MY_IP_SUBNET_ADDRESS 255,255,255,0 // The port to keep open on node server mode #define MY_PORT 5003 // How many clients should be able to connect to this gateway (default 1) #define MY_GATEWAY_MAX_CLIENTS 2 // Controller ip address. Enables client mode (default is "server" mode). // Also enable this if MY_USE_UDP is used and you want sensor data sent somewhere. //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 68 // Enable inclusion mode #define MY_INCLUSION_MODE_FEATURE // Enable Inclusion mode button on gateway // #define MY_INCLUSION_BUTTON_FEATURE // Set inclusion mode duration (in seconds) #define MY_INCLUSION_MODE_DURATION 60 // Digital pin used for inclusion mode button #define MY_INCLUSION_MODE_BUTTON_PIN 3 // Set blinking period // #define MY_DEFAULT_LED_BLINK_PERIOD 300 // Flash leds on rx/tx/err // Led pins used if blinking feature is enabled above //#define MY_DEFAULT_ERR_LED_PIN 16 // Error led pin //#define MY_DEFAULT_RX_LED_PIN 16 // Receive led pin //#define MY_DEFAULT_TX_LED_PIN 16 // the PCB, on board LED #if defined(MY_USE_UDP) #include <WiFiUdp.h> #endif #define NODE_TXT "AWI_ESP 120" // Text to add to sensor name #include <ESP8266WiFi.h> #include <MySensors.h> unsigned long SLEEP_TIME = 10000; // Sleep time between reports (in milliseconds) #define CHILD_ID 1 // Id of the sensor child #define CHILD_ID2 2 // Id of the sensor child //#define LED_GREEN 12 //#define LED_BLUE 13 #define LED_RED 16 //#define ADC A0 // Initialize message MyMessage msg(CHILD_ID, V_PERCENTAGE); MyMessage msg2(CHILD_ID2, V_TEXT); int messageCounter = 0 ; // Count the outgoing messages for validation (0..99) void setup() { delay(1); } void presentation() { // Present locally attached sensors here // Send the sketch version information to the gateway and Controller sendSketchInfo(NODE_TXT, "1.0"); // Register all sensors to gw (they will be created as child devices) present(CHILD_ID, S_DIMMER, NODE_TXT " dimmer"); present(CHILD_ID2, S_INFO, NODE_TXT " text"); } void loop() { // Send locally attached sensors data here send(msg.set(messageCounter)); // Send message to gw messageCounter = ++messageCounter % 100 ; // wrap send(msg2.set("Hallo")); // Send message to gw // Send update every SLEEP_TIME wait(SLEEP_TIME) ; } void receive(const MyMessage &message) { // messages from node or controller //char printBuf[40] ; //Serial.print(message.getInt()); //sprintf(printBuf, "Message node: %d %d OK\n", message.sender, message.getInt()); } //Serial.print(printBuf) ; //sprintf(printBuf, "Messages: %d Errors: %d\n", messageCounter, messageErrorCounter); //Serial.print(printBuf) ;
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  Help hacking a LED outdoor security light motion sensor
  15 Nov 2016, 11:29 • breimann   22 Nov 2016, 12:01

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  22 Nov 2016, 12:01

  @AWI i've since done some more work on this and discovered the switched 3.95v didn't share a common ground with the rest of the circuit. So i ended up hooking up a DIL reed relay PRMA 0105 (5v) onto it, and used the relay contacts to connect to pin D3 on my nano. So i've got it operating that whenever the motion sensor is tripped it toggles my 1 channel relay board, but what isn't working is being able to manually switch it from in domoticz. Would someone be able to take a look at my code which i've taken from this thread My code is: /* DESCRIPTION Sketch for 1x relay with buttons bistable. After back power all relays set OFF and send correct status OFF to controller. */ // Enable debug prints to serial monitor #define MY_DEBUG // Enable and select radio type attached #define MY_RADIO_NRF24 //#define MY_RADIO_RFM69 // Enabled repeater feature for this node #define MY_REPEATER_FEATURE #include <SPI.h> #include <MySensors.h> #include <Bounce2.h> // Define Relays #define RELAY_ON 1 // GPIO value to write to turn on attached relay #define RELAY_OFF 0 // GPIO value to write to turn off attached relay // Define Sensor ID's #define SSR_A_ID 1 // Id of the sensor child // Define buttons and relays const int buttonPinA = 3; const int relayPinA = 4; // Define Variables int oldValueA = 0; bool stateA = false; int trigger = 0; Bounce debouncerA = Bounce(); MyMessage msgA(SSR_A_ID, V_STATUS); void setup() { pinMode(buttonPinA, INPUT_PULLUP); // Setup the button Activate internal pull-up // After setting up the buttons, setup debouncer debouncerA.attach(buttonPinA); debouncerA.interval(5); // Make sure relays are off when starting up digitalWrite(relayPinA, RELAY_OFF); // Then set relay pins in output mode pinMode(relayPinA, OUTPUT); /*--------------------- Added these lines for toggle switch-------------------------*/ oldValueA = digitalRead(buttonPinA); // set oldValueA to the current status of the toggle switch // send(msgA.set(false)); // Send off state for relayA to ensure controller knows the switch is off // send(msgB.set(false)); // Send off state for relayB to ensure controller knows the switch is off } void presentation() { // Send the sketch version information to the gateway and Controller sendSketchInfo("Relay with Bistable", "1.1"); // Register all sensors to gw (they will be created as child devices) present(SSR_A_ID, S_LIGHT); } /* Example on how to asynchronously check for new messages from gw */ void loop() { if (trigger == 0){ send(msgA.set(false)); // Send off state for relayA to ensure controller knows the switch is off trigger = 1; } debouncerA.update(); // Get the update value int valueA = debouncerA.read(); if (valueA != oldValueA) { // send(msgA.set(stateA ? false : true), true); // Send new state and request ack back send(msgA.set(stateA ? false : true), false); // Send new state with no request for ack stateA = stateA ? false : true; // invert the state digitalWrite(relayPinA, stateA ? RELAY_ON : RELAY_OFF); // toggle the relay oldValueA = valueA; } } void receive(const MyMessage &message) { // We only expect one type of message from controller. But we better check anyway. if (message.type == V_STATUS) { switch (message.sensor) { case 1: stateA = message.getBool(); digitalWrite(message.sensor + 4, stateA ? RELAY_ON : RELAY_OFF); break; case 2: break; } // Write some debug info Serial.print("Incoming change for sensor:"); Serial.println(message.sensor); Serial.print("from node:"); Serial.println(message.sender); Serial.print(", New status: "); Serial.println(message.getBool()); } }
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  RFM69CW Continuous Mode
  21 Nov 2016, 13:04 • rocky   21 Nov 2016, 21:38

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  21 Nov 2016, 21:38

  Hello For answering to pins connection in continuous mode i think you can connect it to the pins you want, and poll or irq. But, RFM69 driver for Mysensors uses Packet Mode. not Continuous mode.
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  AC dimmer
  21 Nov 2016, 15:00 • mateusz pięta185   21 Nov 2016, 15:00

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  230V power supply to Arduino
  6 Dec 2014, 14:59 • jocke4u   20 Nov 2016, 22:59

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  20 Nov 2016, 22:59

  @axillent thanks and what is the smd coil that you use?
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  conecting the radio module on a MEGA 2560 ?? !!
  19 Nov 2016, 08:18 • samdel   19 Nov 2016, 14:09

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  19 Nov 2016, 14:09

  @samdel said: how do you measur the noisyness Empirically, I just couldn't get it working.
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  AC dimmer for 230v with smd relays
  16 Nov 2016, 13:44 • v1ck   17 Nov 2016, 05:37

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  17 Nov 2016, 05:37

  Hello, Theese relays is already with triacs. You could look at themes in here: https://forum.mysensors.org/topic/4020/controlling-an-inductive-ac-load/2 ...and here: https://forum.mysensors.org/topic/3238/ac-light-dimmer-with-2x-triac There is discusion about it, and also shematics. Check it
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  RF433 transistor/fet wanted
  13 Nov 2016, 11:53 • ericvdb   15 Nov 2016, 21:28

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  15 Nov 2016, 21:28

  @ericvdb said: The problem is that when powered with 12V, the transmitter does not see the 5V on the data pin as high. Then maybe you can try on 9v as @TimO has suggested, this may be close enough to register the highs and still give you the range boost needed. Otherwise it would seem you will need some form of line level shift circuit as @dbemowsk has shown. The only other option would be a 5v transmitter like the Dorji or similar
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  PCBs for battery based sensor
  14 Nov 2016, 15:08 • jumping   15 Nov 2016, 15:37

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  15 Nov 2016, 15:37

  @jumping Consider this: https://www.aliexpress.com/item/1PCS-TP5000-4-2V-3-6V-1A-Lithium-Battery-Charging-Board-Charger-Module/32756803176.html?ws_ab_test=searchweb0_0,searchweb201602_2_10065_10068_10084_10083_10080_10082_10081_10060_10061_10062_10056_10055_10037_10054_10033_10059_10032_10078_10079_10077_10073_10096_10070_10052_423_10050_424_10051,searchweb201603_2&btsid=e6d6960b-1c4d-48ce-b291-cde58e005c58 It's not as cheap as a TP4056, but it allows you to choose between battery technologies.
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  HC-SR501 motion sensor
  22 Jul 2014, 05:54 • bjornhallberg   15 Nov 2016, 15:19

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  15 Nov 2016, 15:19

  @mrwomble Yeah, the issue was probably due to the battery getting discharged during the OTA update, since that keeps the radio awake for a long time. So, should we use a 3.3V step up converter for this sensor?
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  Need lower voltage from powersupply
  14 Nov 2016, 14:06 • Tore André Rosander   15 Nov 2016, 02:45

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  15 Nov 2016, 02:45

  @Tore-André-Rosander depending on how many leds you are running you could just put a diode in series with the supply, that will drop the voltage by about .5v which should still be ok. The diode will need to be able to handle the load of your leds though
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  In wall - PCB, (AC to DC 5v)
  pcb inwall • 29 Nov 2015, 19:59 • sundberg84   13 Nov 2016, 15:42

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  13 Nov 2016, 15:42

  @Ddawme - Hi! I suggest you read all the links in the project for example: http://forum.mysensors.org/topic/1607/safe-in-wall-ac-to-dc-transformers https://forum.mysensors.org/topic/4175/clearance-creepage-and-other-safety-aspects-in-mysensors-pcbs
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  Orange Pi Zero H2
  8 Nov 2016, 14:46 • hek   13 Nov 2016, 00:24

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  13 Nov 2016, 00:24

  Here are 2 pics of my setup. The first pic is just of the Orange Pi and my gateway. The gateway is connected through one of the serial ports on the Orange Pi's GPIO pins. It can't be seen in the pic, but the top USB plug is for the external hard drive that has the OS on it. This pic includes my USB hub. The thing in slot 3 of the hub is my 1-Wire interface. The breadboard was from some things I had set up on my old R-Pi setup. May still hook up that RTC module, not sure yet.