Topics tagged under "arduino"

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How to great variables
General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

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22 Jul 2024, 06:11

Nice work so far @wint0178, great that you try expanding on the examples. Sorry for the late reply. If you look at https://github.com/mysensors/MySensorsArduinoExamples/blob/bba998bce09bc5139eb4ca7a05b0279f4083ff88/examples/PressureSensor/PressureSensor.ino#L90 you see where the existing child ids are defines. You just add another one for the gas sensor, with a unique number (incrementing by 1 is an easy way). Try that and report back on your result. If something is unclear, just post a followup.
💬 Epi 32U4 Arduino-compatible, 4-layer version
OpenHardware.io • arduino usb micro mcu atmega keyboard atmega32u4 • 4 Feb 2023, 13:41 • openhardware.io 4 Feb 2023, 13:41

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💬 Pinect Hand-Free Game Console
OpenHardware.io • arduino pcb motion sensor console game android scheme camera • 26 Jan 2023, 17:52 • openhardware.io 26 Jan 2023, 17:52

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💬 Easy Switch Box
OpenHardware.io • mysensors arduino switch atmega328 lora low power • 14 Dec 2022, 20:57 • openhardware.io 14 Dec 2022, 20:57

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💬 Anna2040 RP2040 Uno-shaped board
OpenHardware.io • arduino uno arduino uno pico • 25 Nov 2022, 18:24 • openhardware.io 25 Nov 2022, 18:24

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Send configuration (numbers) from HA to Arduino
Home Assistant • arduino home assistant communication • 13 Nov 2022, 01:15 • OldSurferDude 14 Nov 2022, 20:18

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@electrik Thanks, I think I can do the same with the MQTT integration (not MySensors MQTT) OSD
💬 TinyReflow solder plate
OpenHardware.io • arduino smd soldering solder reflow • 8 Nov 2022, 19:43 • openhardware.io 14 Nov 2022, 12:07

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14 Nov 2022, 12:07

I'm not familiar with the project that inspired this one, but you should pay attention to hot spots, heat should be equally spread across the whole plate. plus you should have good sensors and provide controllable configuration of heat points for soldering different components according to the manufacturer's datasheet.
💬 Epi, tiny ATMega32U4 Arduino-compatible
OpenHardware.io • arduino micro keyboard • 8 Nov 2022, 19:08 • openhardware.io 8 Nov 2022, 19:08

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💬 Hematuria Meter
OpenHardware.io • arduino spectrophotometer weight sensor 3d printed • 31 Oct 2022, 06:41 • openhardware.io 31 Oct 2022, 06:41

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How to make sense of Struct data received from Arduino in RPi via NRF24?
General Discussion • arduino raspberry pi rf24 • 16 Jun 2022, 00:47 • nrf24_is_hard 31 Jul 2022, 04:41

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31 Jul 2022, 04:41

@nrf24_is_hard When I sent data between an Aduino and the RPi I discovered that I have to make the the receiving and the sending structs the same size AND the variables be on 4 byte boundaries. Change your char name[15] to char name[16] Another challenge is that the number of bytes of type int are different. If I remember correctly, Arduino Uno is 2 bytes and RPi is 4 bytes. To make matters worse, some compilers make the least significant byte the first byte of a word and others make it the last byte of a word. eg, sending the value 1 would be received as 16777216 (0x00000001 vs 0x01000000) There are a lot more gotcha's OSD
💬 Valden: Heat Pump Controller
OpenHardware.io • arduino power diy thermostat heating gerber refrigerant refrigeration compressor rs-485 green-energy heat-pump eev txv cappilary heat-exchange • 4 Sept 2021, 06:43 • openhardware.io 4 Sept 2021, 06:43

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💬 Arduino Based Serial Controller For Welding Machine
OpenHardware.io • arduino controller adc dac • 27 Aug 2021, 07:05 • openhardware.io 27 Aug 2021, 07:05

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Are the atmega series programming principle the same
General Discussion • arduino • 19 Jul 2021, 07:59 • Tessie T 19 Jul 2021, 22:58

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19 Jul 2021, 22:58

They are programmed with the platform that you are using, assuming it support them.
Pressure sensor and input trough optocoupler
Domoticz • arduino • 27 Apr 2021, 08:55 • Olaf Jacobs 28 Apr 2021, 19:33

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@Olaf-Jacobs It's a straight analogue read on a single ADC pin relative to Vcc and ground of the Arduino Node. In my case it's a pro-mini, the ADC pin in this example earlier defined as "Pressure", the result radioed in only if the ADC reading has changed. Three other binary inputs for contactors are polled every second on separate digital pins (one of which is pin 3), which uses all 4 pins available on this pro-mini due to the radio etc. if ((!hidro&&!Hidro&&(counter2>=132))||initialise){ int incoming=analogRead(Pressure); if (prevolume!=incoming){ prevolume=incoming; sleep(50); float tankvolume=(((incoming-102.3)*6.704199635)+0.5);//5psi sensor send(msg8.set(tankvolume,0));//This is actual volume sleep(100); }} I'm not clear on the rest of what you're trying to incorporate or what pin 3 (digital interrupt) has to do with it, the pressure sensor signal goes to an analogue pin to enable the voltage to be read.
💬 RFM Linky
OpenHardware.io • arduino arduino pro mini energy monitor energy meter edf enedis linky • 3 Apr 2021, 17:05 • openhardware.io 3 Apr 2021, 17:05

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Raspberry Pi Ethernet Gateway with local sensors
Hardware • arduino raspberry pi ethernet gateway • 28 Feb 2021, 13:27 • jvdk 3 Mar 2021, 03:51

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3 Mar 2021, 03:51

@jvdk I agree with the point made by @evb , why would you want to wire connect the ultrasonic node rather than the usual radio connection ? You are adding levels of complexity and power demands for what reason ? My ultrasonic water tank node (pro-mini+rfm69) is now 2 years on the same 2xAA batteries sending in levels every hour (RTC), the only problem encountered - condensation forming a drip on the face of the ultrasonic head during very low temperatures.
💬 ESPboy: Games, IoT, STEM for education & fun (ESP8266 core)
OpenHardware.io • arduino esp8266 iot diy console gadget retro game • 9 Jun 2020, 18:29 • openhardware.io 14 May 2021, 03:04

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14 May 2021, 03:04

I think these look very interesting to do with small children may be able to stimulate their curiosity, the current video games are too much influence on children, occasionally the family together to do their own small games is a new experience.
Reporting solar export power.
Hardware • arduino • 1 Jun 2020, 11:38 • terryrow 20 Jun 2020, 14:58

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20 Jun 2020, 14:58

I would think that the "heavy lifting" of regulating the actual output power of the charger would be a function of the charge controller itself? Maybe you could tie into / control that somehow with your own microcontroller as brain / interface? Maybe they expose some API, serial, or other method of interfacing with their hardware? What are/were you using for charge controller? Also, what is "CT" in this context? I have read a bit here and there about solar (and related moving around and controlling of power, eg. batteries, charge controllers, etc...), as it is something I plan on doing "eventually" although I have no direct experience as of yet. So I will be following this thread with interest.
Parallel Gateways
General Discussion • arduino gateway raspberry pi • 29 May 2020, 11:12 • jocke4u 29 May 2020, 12:35

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29 May 2020, 12:35

@jocke4u I run 2 RF gateways and it's not a problem. When you 'migrate' a node to a new gateway make sure to run the mysensors clear eeprom sketch first to get rid of the old routing table or you might have issues.
Compatibility between mysensors and RF24 library on same node.
General Discussion • mysensors arduino rf24 • 21 May 2020, 14:56 • GLAB 26 May 2020, 08:43

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26 May 2020, 08:43

@GLAB No worries, was in a similar situation.. My perspective was on what the Node could be made to provide, not what could be done within Domoticz to address the requirement - eg Had heard of Dummy counters but had no experience nor understood their purpose, nor had ever used scripts. I had been sending a logical ON/OFF as well as a cumulative total from the Node and hit the same hair-pulling scenario as yourself. Now only the ON/OFF is sent and the short script makes the transposition within Domoticz to a dummy meter (I think kWhr) using the internal clock in Domoticz. Have fun
Arduino Mega2560 and multifunction gateway issues/questions
Troubleshooting • arduino • 13 May 2020, 13:25 • fdlou147 13 May 2020, 15:24

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13 May 2020, 15:24

@fdlou147 According to my personal experience, I'd recommend to split up Gateway and Node funktionality and use two seperate mcu's. Wrt. to the code itself: you only set up a debouncer on one of the pins (finally: Pin 5), as you always redefine the same "flags" over and over again. Perhaps have a look at this imo excellent multi relay/button sketch by korttoma here. This one should be not to hard to adopt to your needs (still, I'd recommend two mcu's).
NRF24L01 connection with ARM microcontrollers
General Discussion • arduino nrf24l01 stm32 remote control • 10 May 2020, 11:35 • cucumber God 10 May 2020, 11:35

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💬 ESP WaterMeter
OpenHardware.io • arduino esp8266 domoticz esp fumée bleue jeedom • 4 Mar 2020, 08:21 • openhardware.io 4 Mar 2020, 08:21

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Incorrect lighting of ws2811b led strips. Wemos D1 Arduino controlled
Hardware • arduino led strip wemos d1 mini ws2811b • 11 Jan 2020, 18:34 • Beeblebrox666 12 Jan 2020, 16:18

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12 Jan 2020, 16:18

@Beeblebrox666 you can use them just like any other strip, with the limitation that not all leds can be controlled individually.
💬 MySensors Linky
OpenHardware.io • mysensors arduino mysensor arduino pro mini linky edf enedis • 27 Nov 2019, 14:55 • openhardware.io 22 Dec 2019, 18:18

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22 Dec 2019, 18:18

thanks for you reply Fumée Bleue.
💬 Arduino UNO NRF24L01+ Shield V1.3
OpenHardware.io • arduino nrf24l01 nrf24l01+ shield arduino uno • 5 Nov 2019, 07:08 • openhardware.io 5 Nov 2019, 07:08

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VERA / Arduino Integration
Vera • arduino vera ethernet gateway • 21 Oct 2019, 21:41 • sparky60 5 Nov 2019, 10:40

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5 Nov 2019, 10:40

@sparky60 yes, 4 inputs and 4 outputs. It should be easy to modify if you need a different amount.
💬 MySensors Watermeter
OpenHardware.io • mysensors arduino mysensor water watermeter • 16 Oct 2019, 12:17 • openhardware.io 16 Oct 2019, 12:17

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💬 24V Relay drive board
OpenHardware.io • arduino relay output separated • 5 Jun 2019, 19:24 • openhardware.io 5 Jun 2019, 19:24

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💬 Arduino UNO NRF24L01+ Shield
OpenHardware.io • arduino nrf24l01 nrf24l01+ mysensor shield • 6 May 2019, 04:58 • openhardware.io 9 May 2019, 09:14

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9 May 2019, 09:14

@tiana I have not used it, but it is possible to create different revisions. See https://www.openhardware.io/view/4/EasyNewbie-PCB-for-MySensors#tabs-revisions as an example.
💬 MyThermostat
OpenHardware.io • mysensors arduino rfm69 thermostat pid heater • 18 Mar 2019, 12:49 • openhardware.io 22 Mar 2019, 21:17

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22 Mar 2019, 21:17

@kimot I am not handling that situation. I'm taking for granted ssr will do his job. Maybe there's some ssr safety topic I'm unaware? Suggestions for a v3.0 are welcome. About the temperature measuring... I use two sensors. The one in the board protects electronics from temperatures beyond design (60°C). It's near the ssr because the ssr's derating curve is the most limiting condition. The control sensor is placed in the bottom of the heater. It connects to the board through a 3 pin header connector.
💬 learning cube for arduino
OpenHardware.io • arduino pcb microcontroller electronics learning teaching education • 16 Mar 2019, 12:41 • openhardware.io 16 Mar 2019, 14:32

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16 Mar 2019, 14:32

But it's not a cube!
💬 Hmi4DinBox
OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • 10 Mar 2019, 15:16 • openhardware.io 10 Mar 2019, 15:16

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💬 MDMSPanel "Nextion"
OpenHardware.io • arduino rtc atmega modbus display nextion st485 jtag megacore • 23 Feb 2019, 12:10 • openhardware.io 27 Feb 2019, 11:52

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27 Feb 2019, 11:52

@sebdetours said in MDMSPanel "Nextion": Did you take a standart case that you cut out? Hi @sebdetours, yes. This is G1910 (Gainta) box. See drawing attached to projet files.
💬 NRF24L01 shield for Arduino Uno (for MySensors gateway)
OpenHardware.io • mysensors arduino gateway nrf24l01 shield • 13 Feb 2019, 21:39 • openhardware.io 13 Feb 2019, 21:39

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💬 Temperature-Humidity-Pressure Sensor
OpenHardware.io • arduino temperature esp8266 sensor humidity raspberry pi esp32 pressure • 11 Jan 2019, 07:19 • openhardware.io 14 Jan 2019, 13:25

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Advantage of this sensor is fast and easy installing by the non qualified personal. The sensor is designed for large agriculture facility with many greenhouses where is needed to be controlled temperature and humidity, the atmospheric pressure is for control the motor of air inlet and outlet. With help of the sensor installed outside the greenhouse provide information about positive/negative pressure inside the greenhouse. Finlay the software read accurate temp/humid value of the Si7021, and only atmospheric pressure of BMP180, the temperature sensor inside the BMP180 is used only by the sensor itself to provide accurate atmospheric pressure measurements. The sensor can be used also for home automation, and drone applications where is needed correction of the UAV barometric sensor compared to the ground barometric sensor, also humidity measurement can help the pilot to calculate more accurate flying time.
Problem with light control between mysensors and HA
Troubleshooting • arduino light home assistant • 7 Jan 2019, 08:55 • Misna 9 Jan 2019, 07:17

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Hi! Going through examples and forum topics I've noticed that I'm using the wrong S-type and V-type. I'm writing a new version of the code with S_LIGHT and V_LIGHT so there is now dimmer functionality (which I don't need). Let's see if this helps.
How to read frequency and SWP output from watermark sensor
Development • arduino moisture pulse frequency watermark • 25 May 2018, 20:48 • pierrot10 6 Feb 2019, 07:18

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@suhaila96 Hello I have not seen your question since I reviewed this topics, today. What do you mean about "setup your circuit"? How did you connected you watermark sensor and to what?
💬 Single board computer UPS
OpenHardware.io • arduino battery raspberry dc-dc ups • 3 Apr 2018, 14:11 • openhardware.io 28 Jul 2018, 12:33

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First soldered device: And a small test:
💬 MDMScreen
OpenHardware.io • mysensors arduino nrf24l01 rfm69 atmega328p lcd nextion spi flash touchscreen • 26 Dec 2017, 16:26 • openhardware.io 26 Dec 2017, 21:00

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26 Dec 2017, 21:00

Please append support RS485
💬 In-wall scene controller main board
OpenHardware.io • arduino pro mini scene controller wall switch dbemowsk my sensors • 23 Dec 2017, 23:52 • openhardware.io 23 Dec 2017, 23:52

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💬 Extremely Simple Arduino Pro-Mini LoRa Water Leak Detector
OpenHardware.io • arduino pro mini easy water leak simple liquid water heater wet detector sink plumbing • 26 Nov 2017, 01:53 • openhardware.io 4 Mar 2018, 16:24

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For those of you who want an extremely simple build, I've reduced it to just 5 parts: one 1-megaohm resistor (0805 SMD) one Arduino Pro Mini one Ra-01 LoRa module Male header pins Battery clips See photos.
💬 The Logger Machine - Short and long term serial logging
OpenHardware.io • arduino serial bluetooth help uart logging log ttl • 24 Nov 2017, 21:01 • openhardware.io 18 Dec 2018, 08:58

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@terxw okey, thanks for reporting back !! Let me know if there is something else. This is a 0.5v so I'm open for improvements.
Assistance on sensor project
My Project • arduino gas sensor • 29 Oct 2017, 15:31 • Sally Hayford 29 Oct 2017, 22:36

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@gohan said in Assistance on sensor project: While you are at it, get some extra parts too, just in case you fry something since in the beginning it is not that hard. And they're cheap.
MySensors MQTT gateway and serial rs485 sensor node communication
Development • arduino gateway mqtt serial rs485 openhab2 nodes • 5 Aug 2017, 06:31 • ehome 5 Aug 2017, 08:15

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Thanks for your fast reply. That sounds easy. And you think that the communication between sensor nodes and Gateway are still possible via wired RS485? I tried to find an example on this site for sending Information from Gateway to sensor nodes. (via SendMessage ?) For example I like to Switch on/off an light that is connected to an relay board at my sensor node. Communcation Flow: OpenHab2 --> MQTT --> Gateway --> RS485 --> Sensor Node --> Relay Board Currently I have an working RS485 Connection between my Arduino Uno's with the use from SoftwareSerial library. During my testings I realized, that the message that I triy to send "Hello" will be sent to the other arduino char by char. Is that true? Because I tried to raise up an pin on HIGH with "if(msg == "Hello")..." But it doesn't worked. Will the sendMsg method from the MySensor library handle this out of the box? Regards, Simon
💬 MDMSNode "Lighting" Rev 1.1
OpenHardware.io • mysensors arduino nrf24l01 atsha204a ota atmega328p rfm69hw hlk-pm01 lighting triac • 27 Jul 2017, 06:45 • openhardware.io 30 Nov 2018, 11:56

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@kalina, Thanks. So it will not work for my configuration. Wall switch (push button) is already installed. No possibilities to draw more electrical wires. Moreover, if i put the board near the light, i have just the Neutral and the return wire from the wall switch. No Live wire to power on the mysensors board. I think in my ase the best way is to manage everything in my garage in the electrical main board where all the wires are mapped. I can get L + N for mysensors power supply. And i can continue to reuse the original wall switch independently of the Mysensors board.
💬 Baby BusyCube design journal
OpenHardware.io • arduino touch toys music busycube • 23 Jul 2017, 22:46 • openhardware.io 19 Aug 2017, 14:49

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Smart spinner Smart Spinner at the Baby BusyBox – 00:33— Жэка
💬 MDMSNode "Lighting X2"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328 ota hlk-pm01 acdc light switch • 29 May 2017, 07:56 • openhardware.io 27 Apr 2019, 08:23

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27 Apr 2019, 08:23

Hi @blackchart, Unfortunately, all devices are sold out. Further production is possible only when ordering more than 10 devices (in this case, I also can modify the device to suit your needs).
💬 Franzininho
OpenHardware.io • arduino attiny85 • 24 Apr 2017, 18:51 • openhardware.io 7 May 2017, 22:58

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7 May 2017, 22:58

I could help with that if you want to! (Eu posso ajudar com isso se vocês quiserem!)
💬 Automatic stairs led lighting arduino shield
OpenHardware.io • mysensors arduino led automatic stairs • 3 Apr 2017, 07:58 • openhardware.io 2 Sept 2019, 19:35

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2 Sept 2019, 19:35

there is no schema in this archive
💬 NodeManager
OpenHardware.io • mysensors arduino contest2017 newbie battery sensor • 23 Mar 2017, 22:45 • openhardware.io 26 May 2019, 18:10

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26 May 2019, 18:10

@user2684 Thanks a lot
💬 MDMSNode "Power"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328p hlk-pm01 dc-dc acs711 • 22 Mar 2017, 20:15 • openhardware.io 5 Oct 2017, 16:07

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5 Oct 2017, 16:07

Ah.... Ok
Several networks working along side each other
Development • arduino signing pairing • 10 Mar 2017, 18:35 • Søren Heide Larsen 10 Mar 2017, 19:49

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@Søren-Heide-Larsen different networks can be achieved by setting different channels / network ID. See here for NRF24 and here for RFM69. There is no pairing function in MySensors.
Creating a wireless fingerprints sensor !
Hardware • arduino • 12 Feb 2017, 18:42 • Ziip 24 Feb 2017, 20:14

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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.
💬 ArduCure
OpenHardware.io • arduino curing chamber salami • 31 Jan 2017, 06:47 • openhardware.io 31 Jan 2017, 06:47

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💬 Snail Vision 7 Pixel RGB I²C Camera
OpenHardware.io • arduino vision machine vision low resolution • 11 Jan 2017, 22:07 • openhardware.io 11 Jan 2017, 22:07

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PN532 NFC RFID module V3 kits : Didn't find PN53x board
Troubleshooting • arduino nfc pn532 • 20 Dec 2016, 14:31 • SebDominguez 12 Apr 2017, 19:15

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12 Apr 2017, 19:15

Hi! I have the same problem. Did you resolve it? Thanks!
How to combine arduino sketches?
Troubleshooting • arduino help sketch combine • 25 Nov 2016, 12:47 • seji 25 Nov 2016, 12:47

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💬 ESP-LINK ESP8266 WeMos D1 Mini Adapter Board
OpenHardware.io • arduino esp8266 pro mini wemos adapter interstitial serial wi-fi esp-link d1mini • 7 Nov 2016, 17:03 • openhardware.io 9 Feb 2017, 04:56

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9 Feb 2017, 04:56

I think I found the problem. I think it misbehaved because of an illegal character in the "HOSTNAME". Changed the hostname yesterday and It was still alive this morning even if I have not pinged it.
💬 Arduino Pro Mini Shield for RFM69(H)W
OpenHardware.io • arduino rfm69 temperature sensor humidity pcb atmega328 atmega328p si7021 rfm69hw wireless bme280 pressure interstitial • 2 Nov 2016, 18:10 • openhardware.io 24 Mar 2018, 11:45

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24 Mar 2018, 11:45

@gohan said in Arduino Pro Mini Shield for RFM69(H)W: If I remeber right that pin is used as input so the RFM69 is not receiving any 5v signal. In addition there are people claming they have the RFM69 module working on 5v on data pins and 3.3v on vcc, but I hardly suggest to do it. thank you just what i thought . about direct 5v on data...well... i seen a big red sign saying n :DONT do it! lol Level converters are so cheap...that i ordered 5 or 10 thoguether with rfm69 board. sorry about hijack this topic, i though i was on general discussion
Porting MySensors to non-arduino platforms (like ARM mbed)
Hardware • arduino porting arm mbed • 9 Oct 2016, 11:20 • nono8223 9 Oct 2016, 11:31

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@nono8223 I think it will be a good idea as long as there are people actively developing & supporting the platform now and in the future. Recently the Raspberry Pi port (or Linux, in general) has been updated and included in the core library, so MySensors is no longer Arduino-only.
💬 Hover SmartHome sensor and controller system
OpenHardware.io • arduino nrf24l01 esp8266 raspberry stepper motor smarthome cortana wiolink • 26 Sept 2016, 03:15 • openhardware.io 26 Sept 2016, 03:15

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💬 MDMSNode "Lighting"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 light acdc light switch • 7 Sept 2016, 19:43 • openhardware.io 30 Mar 2019, 11:22

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Hi @aramko-aramko. Unfortunately, this model is already sold. You can look at the upgraded version of this device - MDMSNode "Lighting" Rev 1.1.
💬 CM1k Breakout Board -- Neuromorphic Chip
OpenHardware.io • arduino i2c breakout board neuromorphic general vision artificial neural network cognimem cm1k • 3 Sept 2016, 01:24 • openhardware.io 29 Dec 2016, 17:48

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@kristof-delaere The terms that you refer to are footprint/package specifications (size, shape). Here are links to the above components on digikey: CMOS SMD (oscillator) http://www.digikey.com/product-detail/en/epson/SG7050CAN-27.000000M-TJGA3/SER3999CT-ND/5175091 0207W (120 ohm resistor) http://www.digikey.com/product-detail/en/tt-electronics-welwyn/WRM0207C-120RFI/985-1466-1-ND/3648019 0207W (2.7k ohm resistor) http://www.digikey.com/product-detail/en/yageo/MCP100JR-2K7/MCP100JR-2K7-ND/2169183
Dimmable LED kitchen light (Arduino, APDS-9960, RGBWW led)
OpenHardware.io • arduino apds-9960 • 28 Jul 2016, 16:50 • openhardware.io 10 Nov 2017, 09:24

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@Nca78 said in Dimmable LED kitchen light (Arduino, APDS-9960, RGBWW led): Do you use a relay to control the leds or still a MOSFET ? i'm using mosfets.
My simple and minimalistic calculator with only two buttons
My Project • arduino lcd attiny85 • 26 Jul 2016, 08:26 • Volos Rakic 26 Jul 2016, 08:53

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Nice work! Reminds me of this great short story by Isaac Asimov from 1958.
Home Automation and monitoring
My Project • mysensors arduino home automation • 26 Jun 2016, 23:04 • sudo_bash80 26 Jun 2016, 23:04

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💬 MySensor Dioder (Ikea)
OpenHardware.io • mysensors arduino contest2017 led rgb ikea dioder hue trimmer • 5 Jun 2016, 13:07 • openhardware.io 13 Dec 2016, 16:17

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Do you have interest to try OH2 together with MySensors Ethernet Gateway to get working? I do not have enough force to push developers to make this happen. At the moment there is some problem on this, because full control is not possible. I think that MySensors Serial Gateway is working with OH2, but I don't like to use it. I like to connect my devices into LAN not cabling via old fashioned way using serial wires.
Arduino + Motorcycle
General Discussion • arduino cool motorcycle • 6 Apr 2016, 19:13 • micah 9 Apr 2016, 21:24

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@TheoL you are probably completely correct. I don't actually plan on building it.... it was just an interesting thought exercise.
Arduino with built-in RF running on a single AA
Hardware • arduino rfm69 battery low-power • 21 Mar 2016, 02:42 • Michael Moebius 21 Mar 2016, 11:20

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Thanks again, learned a lot... I decide to give a try there, I also had a look on some components' datasheet and seems to be what I need... Let's see, if end up getting the boards I'll publish a review here later.
MySensors Mini Scene Controller
OpenHardware.io • mysensors arduino battery contest2016 • 1 Mar 2016, 03:56 • openhardware.io 6 Sept 2016, 11:12

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Thats perfect.. definitely have to try this.. Thanks!!
Call to begin function hangs arduino
Troubleshooting • arduino nrf24l01+ hang • 29 Feb 2016, 19:59 • gerard 3 Mar 2016, 19:45

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@SiLeX So it may be due to an incorrect connection? Pins of module are untagged and I connected them according to the positions of schemes that I found online. All modules have same pinout?
Low Power Servo Actuator
Development • arduino battery powered rf24 low power servo • 11 Feb 2016, 14:43 • Tango2 12 Feb 2016, 10:21

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@hek Thanks for the comments. Sounds good. I'll report back when I have some progress.
RFduino
Hardware • arduino rfduino • 9 Feb 2016, 16:37 • lvidal07 9 Feb 2016, 18:51

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The RFduino uses the NRF51822 which is discussed here: http://forum.mysensors.org/topic/1788/nrf51822-as-an-all-in-one
ioBroker / NEW Controller Development / collection of FEATURES you/we need
My Project • arduino controller development iobroker features • 1 Feb 2016, 12:46 • maxtox 21 Mar 2016, 19:28

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isn't it just SEXY ?
12 volt downlight dimmer
Development • arduino led switch dimmer • 24 Jan 2016, 07:39 • Homer 24 Jan 2016, 15:59

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@Homer I've made a 2 double LED dimmer as well works very good and can easily be extended with more dimable leds. See my project here
Arduino & Microsoft Competition
General Discussion • arduino iot maker microsoft • 22 Jan 2016, 07:09 • Samuel235 25 Jan 2016, 05:17

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Really interesting, maybe I could build something cool around the Arduino HeatpumpIR (https://github.com/ToniA/arduino-heatpumpir) library I've been building. Right now I'm integrating it with Domoticz (http://www.domoticz.com/forum/viewtopic.php?f=34&t=7179#p69647). I'm an ex-Microsoft employee from Finland (resigned about a month ago).
💬 My Slim 2AA Battery Node
OpenHardware.io • mysensors arduino nrf24l01 battery low power enclosure • 8 Jan 2016, 13:44 • openhardware.io 14 Dec 2020, 19:09

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@joaoabs said in My Slim 2AA Battery Node: Thx! Done!
Arduino Power Supply
OpenHardware.io • arduino power supply • 7 Jan 2016, 15:41 • openhardware.io 3 Feb 2016, 23:20

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I like the project. I guess the circuit is not a clone. It costs a lot actually. Is there any other alternatives than cost < 5$ ?
💬 MySensors node
OpenHardware.io • mysensors arduino nrf24l01 rfm69 temperature battery humidity atsha204a flash mysx1.5 • 7 Jan 2016, 14:34 • openhardware.io 18 Jan 2016, 15:27

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@fets So far, I have only built the 5x5 board (but the others should be schematically identical). The only issue I have found so far is that I cannot get the ISP port to work. But I have checked and I have an identical setup on the 1.0 board and that worked, so I suspect the programmer is too weak to drive the net on this one. So it is not a board-issue per se, and might only be an issue on the 5x5 board as routing is the most complex on that one due to the size.
Neopixel Node, using 1.6.0 Beta
My Project • arduino nodered ws2312 neopixels • 3 Jan 2016, 01:28 • cranky 6 Jan 2016, 03:51

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Oh, @msebbe @AWI , I have a FastLED version with a decent web API and web interface available here: http://forum.mysensors.org/topic/2705/fastled-neopixel-ws2811-node-from-arduino-code-to-web-page-with-api It's working pretty damn well Still working on my front end interface, since I'm not a designer (well, I am a 3d cad designer, not web dev). Oh, and if you knew my controller's name, you could communicate with it via TOR. Just like corporate solutions, I can communicate and control my gateway from anywhere in the world!
Arduino Pro mini + RF 433 MHz as Gateway
General Discussion • arduino pro mini 433 mhz • 8 Nov 2015, 20:47 • lrtsenar 9 Nov 2015, 02:37

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@lrtsenar The MySensors Libraries were designed around the nrf24l01 transceivers which have much more built in capability than a simple 433Mhz Tx/Rx pair. You can make a node which contains a nrf and 433 Rx/Tx and it can transfer messages between the MySensors architecture and common 433Mhz devices. If you are only interested in 433Mhz devices with Domoticz, see the RFLink project for more info. I believe it requires a mega to fit their libraries.
Method to reveal sketch inside node or g/w
General Discussion • arduino vera ide • 19 Oct 2015, 01:36 • 5546dug 19 Oct 2015, 19:22

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@LastSamurai good idea! Will give it a go!
Ethernet Gateway on Arduino Yún
Development • arduino gateway ethernet yun • 15 Sept 2015, 14:13 • akbooer 11 Jan 2016, 21:03

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thx for reply yes dragino HE works like yun I think. for linkit as the product seems new, there is a little bit less docs. but I will see, price was so interesting that it was too much tempting lol. I will tell you what I can get... for fun, I have not presented yet, but I have a board in progress for raildin : 8x relays + 8inputs for yun and I added ethernet connector+hub usb chip
W5100 Ethernet module PoE
Hardware • arduino ethernet w5100 poe • 10 Aug 2015, 10:10 • SebDominguez 17 May 2020, 17:48

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Hi, sorry for the delay, I had just read your post and I could said "me too" But I solved the problem and it works for two years now. I explain my solution here, if the French don't afraid you. https://easydomoticz.com/forum/viewtopic.php?f=20&t=6497 I resume, a 7.5volts power supply, a passive injector, and a spécial home-made cable to bypass the RJ45 socket. The 7.5 v go to Vin-Gnd of the Nano to produce 5v wich is returned to the W5100. QED. Rpx.
Total noob's question about building a PWM light controller
General Discussion • arduino noob z-wave • 3 Jul 2015, 05:03 • JoeStrout 3 Jul 2015, 17:45

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OK, it's beginning to become clear. My initial gadgets & gizmos should arrive today, so I'll start tinkering, and I'm sure more clarity will come. Thanks for the quick responses, and for your patience. This is so far the best HA forum I've found anywhere!
How to check if serial gateway is operational ?
Development • arduino serial gateway • 7 Jun 2015, 13:07 • joshmosh 8 Jun 2015, 18:31

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@fot said: Hi! I ask my gateway about it's version (0;0;3;0;2;). It will responde with the library version number (1.4.1 in my case). It tells me that the gateway software is up and running. But it will not give me any clue about if the (NRF)network is working. That's a problem, right. I only ask the gateway if no other packages are received in $timeout seconds. /Magnus Of course ! Thank you for pushing my nose on it. Sometimes you don't see the most obvious Since my gateway is relatively close to the controller (Domoticz on a Raspi), I can do a hard reset of the gateway (via Raspi GPIO), which should resolve the issue. Cheers Josh
Sending serial commands to sensors
Controllers • arduino openhab raspberry pi serial • 11 May 2015, 16:58 • Tango2 11 Jun 2015, 10:42

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@Chester good point, but I was restarting the arduino and still couldn't get this to work correctly. Also, the missing "end" was just missed out of the paste here, it was in my code.
Protocole radio for new device
Development • arduino raspberry radio protocole • 29 Apr 2015, 14:26 • jaumard 1 May 2015, 20:26

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@AWI thanks for pointing me to the doc it look great ! I will give it a try
MQTT gateway freezes on reboot/powering off and back on.
Troubleshooting • arduino gateway mqtt raspberry pi uno • 21 Apr 2015, 01:41 • kunall 21 Apr 2015, 05:36

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I think the something about order of initialisation was changed that fixed this problem. Try 1.4.1
Need help with Turning a LED On/Off with OpenHab and MQTT.
Troubleshooting • arduino mqtt raspberry pi rpi gateway • 24 Mar 2015, 19:19 • kunall 29 Mar 2016, 14:33

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Hey there @Chaotic ! This is Fay from codebender.cc Thank you for using codebender! I just wanted to let you know that one of the sketches you are using in this comment has been deleted and so it is not available for users to view it. Let me know if you have any question.
Arduino NRF24L01 simple universal board
Hardware • arduino nrf24l01 arduino pro min • 28 Feb 2015, 18:50 • kwest 6 Mar 2015, 08:30

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@AWI said: Can you share what is in the box? I am getting curious.. arduino_nrf24l01.rar
Soil Tensiometer Sensor Network
My Project • arduino nrf24l01+pa+lna mysensor 1.4 • 16 Feb 2015, 19:19 • aur 17 Jun 2016, 11:35

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following this thread loosely. I have the following sensors and they seem to be accurate to some degree: http://www.aliexpress.com/item/DFRobot-Capacitive-Analog-Soil-Moisture-Sensor-3-3-5-5V-Corrosion-Resistant-with-Gravity-3-Pin/32574020064.html?spm=2114.01010208.3.2.P99ddH&ws_ab_test=searchweb201556_0,searchweb201602_1_10037_10017_507_10033_10032_10040,searchweb201603_1&btsid=8d3b5e46-a069-441a-a1f7-491ae7e317e1 and they are much easier to work with Arduino compared to Watermark stuff. Anyone agree?
Using Pin Change Interrupt (PCINT) for wakeup
Development • arduino interrupt • 3 Feb 2015, 11:55 • Dirk_H 11 Apr 2015, 18:37

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Or use development branch where this dependency has been removed from the library.
Anti-theft Entrance Guard Alarm System Based on Arduino
My Project • arduino security • 28 Jan 2015, 08:36 • Yeager Cade 28 Jan 2015, 08:36

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connecting existing alarm system to veralite/ mysensors
General Discussion • arduino nrf24l01 veralite alarm system pc1565 classic • 24 Jan 2015, 01:32 • brettzky84 24 Jan 2015, 02:58

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@brettzky84 there is TONS of this on the Vera website, and many many folks are connecting them with a (serial I think) interface that you may buy and the plugin @Dwalt mentioned.
Current Monitoring - How?
Hardware • arduino sensor sketch current • 14 Jan 2015, 07:32 • Dean 17 Jan 2016, 15:50

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Any updates on how this turned out?
All in one board with apple phone charger brick wrap.
Hardware • arduino temperature humidity led proximity • 13 Jan 2015, 16:58 • destos 18 Apr 2015, 14:53

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@destos Wow!
Custom Interrupt routine for door sensor
Development • arduino temperature humidity interrupt door sensors • 11 Jan 2015, 16:27 • funksoulbrother 11 Jan 2015, 22:00

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I built a trip wire for the post box that I'm connecting. It's however based on a mercury tilt sensor so I'm really not sure whether I think it's a great idea putting it to use (at least not with a sturdy case...). However, I can share my code: #define DIGITAL_INPUT_SENSOR 2 // The digital input you attached your motion sensor. (Only 2 and 3 generates interrupt!) #define INTERRUPT DIGITAL_INPUT_SENSOR-2 // Usually the interrupt = pin -2 (on uno/nano anyway) MyMessage msgTripped(CHILD_ID_TRIPPED, V_TRIPPED); void setup() { gw.sendSketchInfo("Postal", "1.0"); gw.present(CHILD_ID_TRIPPED, S_MOTION); pinMode(DIGITAL_INPUT_SENSOR, INPUT); // sets the motion sensor digital pin as input } void loop() { boolean tripped = digitalRead(DIGITAL_INPUT_SENSOR) == LOW; if(tripped) { gw.send(msgTripped.set("1")); // Send tripped value to gw } gw.sleep(INTERRUPT,FALLING, SLEEP_TIME); }
Sample Door SW does not compile !
Troubleshooting • arduino rf24 compilation • 4 Jan 2015, 16:38 • IOS_IOT 5 Jan 2015, 21:38

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I compile the example sketch fine with IDE 1.5.7. Do you have uncommented the #define SOFTSPI in RF24_config.h for some reason (eg programming your gateway)?. If so comment it back again.
[SOLVED] Multiple devices demonstrating erratic behavior
Troubleshooting • arduino temperature relay motion indigo • 3 Jan 2015, 21:57 • thermistor1 4 Jan 2015, 20:52

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@BulldogLowell Yes, all is working, thanks. If you want to use this code for reference it is fully functional.
Garage Door opener
Vera • arduino vera3 window control • 27 Dec 2014, 16:45 • discorover0 27 Dec 2014, 21:50

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Never mind I updated to 1.4 and tweaked the code all is working fine.
Battery Level Measurement
General Discussion • arduino battery • 13 Dec 2014, 01:50 • funky81 15 Dec 2014, 01:42

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Hi @tbowmo, do you mind to explain a bit about the design? I'm interested with your design. I will use these steps for removing voltage regulator, http://goo.gl/CsZaNg So the design will be battery > external step up regulator (http://goo.gl/PFt99R - to stabilize 3.3v) > vcc pin ? with these then I can use my first post design? Thanks
Can't send message over arduino serial monitor
Troubleshooting • arduino serial controler • 11 Dec 2014, 05:53 • botbite 28 Jan 2015, 20:55

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You should not typ "\n"! It means that you should press enter on your keyboard. On Linux I saw that I have to send "\r\n" instead of "\n". "\r\n" (Carriage return, Line feed) is the Windows return, "\n" only the Linux return.
Capacitive sensor w/ transceiver
Development • arduino nrf24l01+ capacitive touc • 30 Nov 2014, 17:50 • Conan 30 Nov 2014, 18:22

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@BulldogLowell I just realized you hyperlinked the command. Disregard my previous message.
PIR motion sensor that sends cloud notifications via wifi
Development • arduino motion wifi • 25 Nov 2014, 07:52 • vekraman76 25 Nov 2014, 09:27

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a spark core wouldnbe the best in this case
Arduino (Fibaro Wall plug)
Feature Requests • arduino fibaro wall plug • 22 Nov 2014, 12:49 • MarkV 22 Nov 2014, 15:08

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Sorry didn't know this.
3 Way Switch with Relay Sensor
Vera • arduino switch vera realy • 28 Sept 2014, 16:22 • rafael.brasilia 24 Oct 2019, 13:18

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Use a latching relay. Here is one I found on Amazon. https://www.amazon.com/dp/B015MRQNXS/?coliid=I3LXTGKX4GEPUR&colid=31WWM91JAUE22&psc=1&ref_=lv_ov_lig_dp_it If you are trying to use with existing 3 ways use https://www.amazon.com/dp/B015MSYQ8Q/?coliid=I3RP8X9OMYWU97&colid=31WWM91JAUE22&psc=1&ref_=lv_ov_lig_dp_it Use an optocoupler to indicate lamp status...see the last diagram in this post. https://forum.arduino.cc/index.php?topic=435506.0
Weather station DHT22, BMP185, SI1145
My Project • arduino pro mini dht22 bmp185 si1145 • 13 Sept 2014, 14:01 • jesse 21 Sept 2016, 17:04

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@AWI I 'm doing a similar project prodias help me make connections as your project and how to perform with I2C
Arduino & CC3000 Wifi & NRF24L01+ over SPI
Hardware • arduino spi • 12 Sept 2014, 22:16 • jesse 6 Jan 2016, 01:28

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@jesse said: I found the solution on this page: http://mathertel.blogspot.com/2013/04/using-spi-bus-with-ethernet-sd-card-and.html The key is setting the Chip Select (CS) line to be different for each module. For the CC3000... "#define ADAFRUIT_CC3000_CS 7" Pin 7 is being used exclusively to select the Wifi module. https://learn.adafruit.com/adafruit-cc3000-wifi/cc3000-breakout For the NRF24L01+... "RF24 radio(9,10);" Pin 9 is being used for Chip Enable (CE) and Pin 10 is Chip Select (CS). http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo http://maniacbug.github.io/RF24/classRF24.html The other SPI pins: CLK, MISO, MOSI, are shared by the two modules and get wired in parallel. Hi do you still have a Gateway code when using CC3000 and arduino Mega or UNO(if it fits)?
Arduino Mini Pro 5v - how to power
Troubleshooting • arduino power pro mini • 3 Sept 2014, 21:43 • ddluk 11 Sept 2014, 03:30

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@epierre said: Both need protection (internal or external) from excessive discharge (or excessive charge, and short circuits etc) That is where our new library to check battery level goes in, we could dream to have an internal mysensor security check of a LiPo battery ! they do so in 'copters I may pass on that. I'm not used to software glitches having quite so much potential impact, and I don't need to save every gram. But to each their own!
Lua Startup Failure (*SOLVED*)
Vera • arduino veralite • 30 Aug 2014, 03:16 • rafael.brasilia 19 Feb 2016, 08:36

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I'll admit a newbie at this. but I"m about beyond frustrated. I've been trying to get my "Vera Edge" Serial gateway up and running. I had it working, using a nano ATmega328 w/FTDI chipset. So that was great! All your posts were very helpful! So I decided to move forward and start building my sensors. The first sensor I built was a motion sensor also using a nano ATmega328. So I got it up and running, communicating with the gateway, and than the Vera controller dropped it and I kept get the same error message, Device not ready, "LUA Startup Failure. If you all have any another ideas on what could be causing this I could sure use your help! Thanks
Gateway for Pachube Or Mysql Database
Feature Requests • arduino gateway server mysql pachube • 11 Jul 2014, 13:23 • legeantvert 29 Aug 2014, 14:24

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@legeantvert said: On the same way, i dont understand how and where are stored the values inside the gateway if not used on each reception, are they stored somewhere to be able to answer them when serial request arrive? You could bypass this on some kind of events obviously ! Actually my perl gateway is acting as the server Vera is for the arduino gateway. So from there I can trigger external URL, store data in a sqlite3 database... and so on !

How to great variables General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

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💬 Hematuria Meter OpenHardware.io • arduino spectrophotometer weight sensor 3d printed • 31 Oct 2022, 06:41 • openhardware.io 31 Oct 2022, 06:41

How to make sense of Struct data received from Arduino in RPi via NRF24? General Discussion • arduino raspberry pi rf24 • 16 Jun 2022, 00:47 • nrf24_is_hard 31 Jul 2022, 04:41

💬 Valden: Heat Pump Controller OpenHardware.io • arduino power diy thermostat heating gerber refrigerant refrigeration compressor rs-485 green-energy heat-pump eev txv cappilary heat-exchange • 4 Sept 2021, 06:43 • openhardware.io 4 Sept 2021, 06:43

💬 Arduino Based Serial Controller For Welding Machine OpenHardware.io • arduino controller adc dac • 27 Aug 2021, 07:05 • openhardware.io 27 Aug 2021, 07:05

Are the atmega series programming principle the same General Discussion • arduino • 19 Jul 2021, 07:59 • Tessie T 19 Jul 2021, 22:58

Pressure sensor and input trough optocoupler Domoticz • arduino • 27 Apr 2021, 08:55 • Olaf Jacobs 28 Apr 2021, 19:33

💬 RFM Linky OpenHardware.io • arduino arduino pro mini energy monitor energy meter edf enedis linky • 3 Apr 2021, 17:05 • openhardware.io 3 Apr 2021, 17:05

Raspberry Pi Ethernet Gateway with local sensors Hardware • arduino raspberry pi ethernet gateway • 28 Feb 2021, 13:27 • jvdk 3 Mar 2021, 03:51

💬 ESPboy: Games, IoT, STEM for education & fun (ESP8266 core) OpenHardware.io • arduino esp8266 iot diy console gadget retro game • 9 Jun 2020, 18:29 • openhardware.io 14 May 2021, 03:04

Reporting solar export power. Hardware • arduino • 1 Jun 2020, 11:38 • terryrow 20 Jun 2020, 14:58

Parallel Gateways General Discussion • arduino gateway raspberry pi • 29 May 2020, 11:12 • jocke4u 29 May 2020, 12:35

Compatibility between mysensors and RF24 library on same node. General Discussion • mysensors arduino rf24 • 21 May 2020, 14:56 • GLAB 26 May 2020, 08:43

Arduino Mega2560 and multifunction gateway issues/questions Troubleshooting • arduino • 13 May 2020, 13:25 • fdlou147 13 May 2020, 15:24

NRF24L01 connection with ARM microcontrollers General Discussion • arduino nrf24l01 stm32 remote control • 10 May 2020, 11:35 • cucumber God 10 May 2020, 11:35

💬 ESP WaterMeter OpenHardware.io • arduino esp8266 domoticz esp fumée bleue jeedom • 4 Mar 2020, 08:21 • openhardware.io 4 Mar 2020, 08:21

Incorrect lighting of ws2811b led strips. Wemos D1 Arduino controlled Hardware • arduino led strip wemos d1 mini ws2811b • 11 Jan 2020, 18:34 • Beeblebrox666 12 Jan 2020, 16:18

💬 MySensors Linky OpenHardware.io • mysensors arduino mysensor arduino pro mini linky edf enedis • 27 Nov 2019, 14:55 • openhardware.io 22 Dec 2019, 18:18

💬 Arduino UNO NRF24L01+ Shield V1.3 OpenHardware.io • arduino nrf24l01 nrf24l01+ shield arduino uno • 5 Nov 2019, 07:08 • openhardware.io 5 Nov 2019, 07:08

VERA / Arduino Integration Vera • arduino vera ethernet gateway • 21 Oct 2019, 21:41 • sparky60 5 Nov 2019, 10:40

💬 MySensors Watermeter OpenHardware.io • mysensors arduino mysensor water watermeter • 16 Oct 2019, 12:17 • openhardware.io 16 Oct 2019, 12:17

💬 24V Relay drive board OpenHardware.io • arduino relay output separated • 5 Jun 2019, 19:24 • openhardware.io 5 Jun 2019, 19:24

💬 Arduino UNO NRF24L01+ Shield OpenHardware.io • arduino nrf24l01 nrf24l01+ mysensor shield • 6 May 2019, 04:58 • openhardware.io 9 May 2019, 09:14

💬 MyThermostat OpenHardware.io • mysensors arduino rfm69 thermostat pid heater • 18 Mar 2019, 12:49 • openhardware.io 22 Mar 2019, 21:17

💬 learning cube for arduino OpenHardware.io • arduino pcb microcontroller electronics learning teaching education • 16 Mar 2019, 12:41 • openhardware.io 16 Mar 2019, 14:32

💬 Hmi4DinBox OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • 10 Mar 2019, 15:16 • openhardware.io 10 Mar 2019, 15:16

💬 MDMSPanel "Nextion" OpenHardware.io • arduino rtc atmega modbus display nextion st485 jtag megacore • 23 Feb 2019, 12:10 • openhardware.io 27 Feb 2019, 11:52

💬 NRF24L01 shield for Arduino Uno (for MySensors gateway) OpenHardware.io • mysensors arduino gateway nrf24l01 shield • 13 Feb 2019, 21:39 • openhardware.io 13 Feb 2019, 21:39

💬 Temperature-Humidity-Pressure Sensor OpenHardware.io • arduino temperature esp8266 sensor humidity raspberry pi esp32 pressure • 11 Jan 2019, 07:19 • openhardware.io 14 Jan 2019, 13:25

Problem with light control between mysensors and HA Troubleshooting • arduino light home assistant • 7 Jan 2019, 08:55 • Misna 9 Jan 2019, 07:17

How to read frequency and SWP output from watermark sensor Development • arduino moisture pulse frequency watermark • 25 May 2018, 20:48 • pierrot10 6 Feb 2019, 07:18

💬 Single board computer UPS OpenHardware.io • arduino battery raspberry dc-dc ups • 3 Apr 2018, 14:11 • openhardware.io 28 Jul 2018, 12:33

💬 MDMScreen OpenHardware.io • mysensors arduino nrf24l01 rfm69 atmega328p lcd nextion spi flash touchscreen • 26 Dec 2017, 16:26 • openhardware.io 26 Dec 2017, 21:00

💬 In-wall scene controller main board OpenHardware.io • arduino pro mini scene controller wall switch dbemowsk my sensors • 23 Dec 2017, 23:52 • openhardware.io 23 Dec 2017, 23:52

💬 Extremely Simple Arduino Pro-Mini LoRa Water Leak Detector OpenHardware.io • arduino pro mini easy water leak simple liquid water heater wet detector sink plumbing • 26 Nov 2017, 01:53 • openhardware.io 4 Mar 2018, 16:24

💬 The Logger Machine - Short and long term serial logging OpenHardware.io • arduino serial bluetooth help uart logging log ttl • 24 Nov 2017, 21:01 • openhardware.io 18 Dec 2018, 08:58

Assistance on sensor project My Project • arduino gas sensor • 29 Oct 2017, 15:31 • Sally Hayford 29 Oct 2017, 22:36

MySensors MQTT gateway and serial rs485 sensor node communication Development • arduino gateway mqtt serial rs485 openhab2 nodes • 5 Aug 2017, 06:31 • ehome 5 Aug 2017, 08:15

💬 MDMSNode "Lighting" Rev 1.1 OpenHardware.io • mysensors arduino nrf24l01 atsha204a ota atmega328p rfm69hw hlk-pm01 lighting triac • 27 Jul 2017, 06:45 • openhardware.io 30 Nov 2018, 11:56

💬 Baby BusyCube design journal OpenHardware.io • arduino touch toys music busycube • 23 Jul 2017, 22:46 • openhardware.io 19 Aug 2017, 14:49

💬 MDMSNode "Lighting X2" OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328 ota hlk-pm01 acdc light switch • 29 May 2017, 07:56 • openhardware.io 27 Apr 2019, 08:23

💬 Franzininho OpenHardware.io • arduino attiny85 • 24 Apr 2017, 18:51 • openhardware.io 7 May 2017, 22:58

💬 Automatic stairs led lighting arduino shield OpenHardware.io • mysensors arduino led automatic stairs • 3 Apr 2017, 07:58 • openhardware.io 2 Sept 2019, 19:35

💬 NodeManager OpenHardware.io • mysensors arduino contest2017 newbie battery sensor • 23 Mar 2017, 22:45 • openhardware.io 26 May 2019, 18:10

💬 MDMSNode "Power" OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328p hlk-pm01 dc-dc acs711 • 22 Mar 2017, 20:15 • openhardware.io 5 Oct 2017, 16:07

Several networks working along side each other Development • arduino signing pairing • 10 Mar 2017, 18:35 • Søren Heide Larsen 10 Mar 2017, 19:49

Creating a wireless fingerprints sensor ! Hardware • arduino • 12 Feb 2017, 18:42 • Ziip 24 Feb 2017, 20:14

💬 ArduCure OpenHardware.io • arduino curing chamber salami • 31 Jan 2017, 06:47 • openhardware.io 31 Jan 2017, 06:47

💬 Snail Vision 7 Pixel RGB I²C Camera OpenHardware.io • arduino vision machine vision low resolution • 11 Jan 2017, 22:07 • openhardware.io 11 Jan 2017, 22:07

PN532 NFC RFID module V3 kits : Didn't find PN53x board Troubleshooting • arduino nfc pn532 • 20 Dec 2016, 14:31 • SebDominguez 12 Apr 2017, 19:15

How to combine arduino sketches? Troubleshooting • arduino help sketch combine • 25 Nov 2016, 12:47 • seji 25 Nov 2016, 12:47

💬 ESP-LINK ESP8266 WeMos D1 Mini Adapter Board OpenHardware.io • arduino esp8266 pro mini wemos adapter interstitial serial wi-fi esp-link d1mini • 7 Nov 2016, 17:03 • openhardware.io 9 Feb 2017, 04:56

💬 Arduino Pro Mini Shield for RFM69(H)W OpenHardware.io • arduino rfm69 temperature sensor humidity pcb atmega328 atmega328p si7021 rfm69hw wireless bme280 pressure interstitial • 2 Nov 2016, 18:10 • openhardware.io 24 Mar 2018, 11:45

Porting MySensors to non-arduino platforms (like ARM mbed) Hardware • arduino porting arm mbed • 9 Oct 2016, 11:20 • nono8223 9 Oct 2016, 11:31

💬 Hover SmartHome sensor and controller system OpenHardware.io • arduino nrf24l01 esp8266 raspberry stepper motor smarthome cortana wiolink • 26 Sept 2016, 03:15 • openhardware.io 26 Sept 2016, 03:15

💬 MDMSNode "Lighting" OpenHardware.io • mysensors arduino nrf24l01 rfm69 light acdc light switch • 7 Sept 2016, 19:43 • openhardware.io 30 Mar 2019, 11:22

💬 CM1k Breakout Board -- Neuromorphic Chip OpenHardware.io • arduino i2c breakout board neuromorphic general vision artificial neural network cognimem cm1k • 3 Sept 2016, 01:24 • openhardware.io 29 Dec 2016, 17:48

Dimmable LED kitchen light (Arduino, APDS-9960, RGBWW led) OpenHardware.io • arduino apds-9960 • 28 Jul 2016, 16:50 • openhardware.io 10 Nov 2017, 09:24

My simple and minimalistic calculator with only two buttons My Project • arduino lcd attiny85 • 26 Jul 2016, 08:26 • Volos Rakic 26 Jul 2016, 08:53

Home Automation and monitoring My Project • mysensors arduino home automation • 26 Jun 2016, 23:04 • sudo_bash80 26 Jun 2016, 23:04

💬 MySensor Dioder (Ikea) OpenHardware.io • mysensors arduino contest2017 led rgb ikea dioder hue trimmer • 5 Jun 2016, 13:07 • openhardware.io 13 Dec 2016, 16:17

Arduino + Motorcycle General Discussion • arduino cool motorcycle • 6 Apr 2016, 19:13 • micah 9 Apr 2016, 21:24

Arduino with built-in RF running on a single AA Hardware • arduino rfm69 battery low-power • 21 Mar 2016, 02:42 • Michael Moebius 21 Mar 2016, 11:20

MySensors Mini Scene Controller OpenHardware.io • mysensors arduino battery contest2016 • 1 Mar 2016, 03:56 • openhardware.io 6 Sept 2016, 11:12

Call to begin function hangs arduino Troubleshooting • arduino nrf24l01+ hang • 29 Feb 2016, 19:59 • gerard 3 Mar 2016, 19:45

Low Power Servo Actuator Development • arduino battery powered rf24 low power servo • 11 Feb 2016, 14:43 • Tango2 12 Feb 2016, 10:21

RFduino Hardware • arduino rfduino • 9 Feb 2016, 16:37 • lvidal07 9 Feb 2016, 18:51

ioBroker / NEW Controller Development / collection of FEATURES you/we need My Project • arduino controller development iobroker features • 1 Feb 2016, 12:46 • maxtox 21 Mar 2016, 19:28

12 volt downlight dimmer Development • arduino led switch dimmer • 24 Jan 2016, 07:39 • Homer 24 Jan 2016, 15:59

Arduino & Microsoft Competition General Discussion • arduino iot maker microsoft • 22 Jan 2016, 07:09 • Samuel235 25 Jan 2016, 05:17

💬 My Slim 2AA Battery Node OpenHardware.io • mysensors arduino nrf24l01 battery low power enclosure • 8 Jan 2016, 13:44 • openhardware.io 14 Dec 2020, 19:09

Arduino Power Supply OpenHardware.io • arduino power supply • 7 Jan 2016, 15:41 • openhardware.io 3 Feb 2016, 23:20

💬 MySensors node OpenHardware.io • mysensors arduino nrf24l01 rfm69 temperature battery humidity atsha204a flash mysx1.5 • 7 Jan 2016, 14:34 • openhardware.io 18 Jan 2016, 15:27

How to great variables
General Discussion • arduino mycontroller.org variables • 16 May 2024, 14:43 • wint0178 22 Jul 2024, 06:11

💬 Epi 32U4 Arduino-compatible, 4-layer version
OpenHardware.io • arduino usb micro mcu atmega keyboard atmega32u4 • 4 Feb 2023, 13:41 • openhardware.io 4 Feb 2023, 13:41

💬 Pinect Hand-Free Game Console
OpenHardware.io • arduino pcb motion sensor console game android scheme camera • 26 Jan 2023, 17:52 • openhardware.io 26 Jan 2023, 17:52

💬 Easy Switch Box
OpenHardware.io • mysensors arduino switch atmega328 lora low power • 14 Dec 2022, 20:57 • openhardware.io 14 Dec 2022, 20:57

💬 Anna2040 RP2040 Uno-shaped board
OpenHardware.io • arduino uno arduino uno pico • 25 Nov 2022, 18:24 • openhardware.io 25 Nov 2022, 18:24

Send configuration (numbers) from HA to Arduino
Home Assistant • arduino home assistant communication • 13 Nov 2022, 01:15 • OldSurferDude 14 Nov 2022, 20:18

💬 TinyReflow solder plate
OpenHardware.io • arduino smd soldering solder reflow • 8 Nov 2022, 19:43 • openhardware.io 14 Nov 2022, 12:07

💬 Epi, tiny ATMega32U4 Arduino-compatible
OpenHardware.io • arduino micro keyboard • 8 Nov 2022, 19:08 • openhardware.io 8 Nov 2022, 19:08

💬 Hematuria Meter
OpenHardware.io • arduino spectrophotometer weight sensor 3d printed • 31 Oct 2022, 06:41 • openhardware.io 31 Oct 2022, 06:41

How to make sense of Struct data received from Arduino in RPi via NRF24?
General Discussion • arduino raspberry pi rf24 • 16 Jun 2022, 00:47 • nrf24_is_hard 31 Jul 2022, 04:41

💬 Valden: Heat Pump Controller
OpenHardware.io • arduino power diy thermostat heating gerber refrigerant refrigeration compressor rs-485 green-energy heat-pump eev txv cappilary heat-exchange • 4 Sept 2021, 06:43 • openhardware.io 4 Sept 2021, 06:43

💬 Arduino Based Serial Controller For Welding Machine
OpenHardware.io • arduino controller adc dac • 27 Aug 2021, 07:05 • openhardware.io 27 Aug 2021, 07:05

Are the atmega series programming principle the same
General Discussion • arduino • 19 Jul 2021, 07:59 • Tessie T 19 Jul 2021, 22:58

Pressure sensor and input trough optocoupler
Domoticz • arduino • 27 Apr 2021, 08:55 • Olaf Jacobs 28 Apr 2021, 19:33

💬 RFM Linky
OpenHardware.io • arduino arduino pro mini energy monitor energy meter edf enedis linky • 3 Apr 2021, 17:05 • openhardware.io 3 Apr 2021, 17:05

Raspberry Pi Ethernet Gateway with local sensors
Hardware • arduino raspberry pi ethernet gateway • 28 Feb 2021, 13:27 • jvdk 3 Mar 2021, 03:51

💬 ESPboy: Games, IoT, STEM for education & fun (ESP8266 core)
OpenHardware.io • arduino esp8266 iot diy console gadget retro game • 9 Jun 2020, 18:29 • openhardware.io 14 May 2021, 03:04

Reporting solar export power.
Hardware • arduino • 1 Jun 2020, 11:38 • terryrow 20 Jun 2020, 14:58

Parallel Gateways
General Discussion • arduino gateway raspberry pi • 29 May 2020, 11:12 • jocke4u 29 May 2020, 12:35

Compatibility between mysensors and RF24 library on same node.
General Discussion • mysensors arduino rf24 • 21 May 2020, 14:56 • GLAB 26 May 2020, 08:43

Arduino Mega2560 and multifunction gateway issues/questions
Troubleshooting • arduino • 13 May 2020, 13:25 • fdlou147 13 May 2020, 15:24

NRF24L01 connection with ARM microcontrollers
General Discussion • arduino nrf24l01 stm32 remote control • 10 May 2020, 11:35 • cucumber God 10 May 2020, 11:35

💬 ESP WaterMeter
OpenHardware.io • arduino esp8266 domoticz esp fumée bleue jeedom • 4 Mar 2020, 08:21 • openhardware.io 4 Mar 2020, 08:21

Incorrect lighting of ws2811b led strips. Wemos D1 Arduino controlled
Hardware • arduino led strip wemos d1 mini ws2811b • 11 Jan 2020, 18:34 • Beeblebrox666 12 Jan 2020, 16:18

💬 MySensors Linky
OpenHardware.io • mysensors arduino mysensor arduino pro mini linky edf enedis • 27 Nov 2019, 14:55 • openhardware.io 22 Dec 2019, 18:18

💬 Arduino UNO NRF24L01+ Shield V1.3
OpenHardware.io • arduino nrf24l01 nrf24l01+ shield arduino uno • 5 Nov 2019, 07:08 • openhardware.io 5 Nov 2019, 07:08

VERA / Arduino Integration
Vera • arduino vera ethernet gateway • 21 Oct 2019, 21:41 • sparky60 5 Nov 2019, 10:40

💬 MySensors Watermeter
OpenHardware.io • mysensors arduino mysensor water watermeter • 16 Oct 2019, 12:17 • openhardware.io 16 Oct 2019, 12:17

💬 24V Relay drive board
OpenHardware.io • arduino relay output separated • 5 Jun 2019, 19:24 • openhardware.io 5 Jun 2019, 19:24

💬 Arduino UNO NRF24L01+ Shield
OpenHardware.io • arduino nrf24l01 nrf24l01+ mysensor shield • 6 May 2019, 04:58 • openhardware.io 9 May 2019, 09:14

💬 MyThermostat
OpenHardware.io • mysensors arduino rfm69 thermostat pid heater • 18 Mar 2019, 12:49 • openhardware.io 22 Mar 2019, 21:17

💬 learning cube for arduino
OpenHardware.io • arduino pcb microcontroller electronics learning teaching education • 16 Mar 2019, 12:41 • openhardware.io 16 Mar 2019, 14:32

💬 Hmi4DinBox
OpenHardware.io • arduino raspberry pi i2c hmi din enclosure nano pi • 10 Mar 2019, 15:16 • openhardware.io 10 Mar 2019, 15:16

💬 MDMSPanel "Nextion"
OpenHardware.io • arduino rtc atmega modbus display nextion st485 jtag megacore • 23 Feb 2019, 12:10 • openhardware.io 27 Feb 2019, 11:52

💬 NRF24L01 shield for Arduino Uno (for MySensors gateway)
OpenHardware.io • mysensors arduino gateway nrf24l01 shield • 13 Feb 2019, 21:39 • openhardware.io 13 Feb 2019, 21:39

💬 Temperature-Humidity-Pressure Sensor
OpenHardware.io • arduino temperature esp8266 sensor humidity raspberry pi esp32 pressure • 11 Jan 2019, 07:19 • openhardware.io 14 Jan 2019, 13:25

Problem with light control between mysensors and HA
Troubleshooting • arduino light home assistant • 7 Jan 2019, 08:55 • Misna 9 Jan 2019, 07:17

How to read frequency and SWP output from watermark sensor
Development • arduino moisture pulse frequency watermark • 25 May 2018, 20:48 • pierrot10 6 Feb 2019, 07:18

💬 Single board computer UPS
OpenHardware.io • arduino battery raspberry dc-dc ups • 3 Apr 2018, 14:11 • openhardware.io 28 Jul 2018, 12:33

💬 MDMScreen
OpenHardware.io • mysensors arduino nrf24l01 rfm69 atmega328p lcd nextion spi flash touchscreen • 26 Dec 2017, 16:26 • openhardware.io 26 Dec 2017, 21:00

💬 In-wall scene controller main board
OpenHardware.io • arduino pro mini scene controller wall switch dbemowsk my sensors • 23 Dec 2017, 23:52 • openhardware.io 23 Dec 2017, 23:52

💬 Extremely Simple Arduino Pro-Mini LoRa Water Leak Detector
OpenHardware.io • arduino pro mini easy water leak simple liquid water heater wet detector sink plumbing • 26 Nov 2017, 01:53 • openhardware.io 4 Mar 2018, 16:24

💬 The Logger Machine - Short and long term serial logging
OpenHardware.io • arduino serial bluetooth help uart logging log ttl • 24 Nov 2017, 21:01 • openhardware.io 18 Dec 2018, 08:58

Assistance on sensor project
My Project • arduino gas sensor • 29 Oct 2017, 15:31 • Sally Hayford 29 Oct 2017, 22:36

MySensors MQTT gateway and serial rs485 sensor node communication
Development • arduino gateway mqtt serial rs485 openhab2 nodes • 5 Aug 2017, 06:31 • ehome 5 Aug 2017, 08:15

💬 MDMSNode "Lighting" Rev 1.1
OpenHardware.io • mysensors arduino nrf24l01 atsha204a ota atmega328p rfm69hw hlk-pm01 lighting triac • 27 Jul 2017, 06:45 • openhardware.io 30 Nov 2018, 11:56

💬 Baby BusyCube design journal
OpenHardware.io • arduino touch toys music busycube • 23 Jul 2017, 22:46 • openhardware.io 19 Aug 2017, 14:49

💬 MDMSNode "Lighting X2"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328 ota hlk-pm01 acdc light switch • 29 May 2017, 07:56 • openhardware.io 27 Apr 2019, 08:23

💬 Franzininho
OpenHardware.io • arduino attiny85 • 24 Apr 2017, 18:51 • openhardware.io 7 May 2017, 22:58

💬 Automatic stairs led lighting arduino shield
OpenHardware.io • mysensors arduino led automatic stairs • 3 Apr 2017, 07:58 • openhardware.io 2 Sept 2019, 19:35

💬 NodeManager
OpenHardware.io • mysensors arduino contest2017 newbie battery sensor • 23 Mar 2017, 22:45 • openhardware.io 26 May 2019, 18:10

💬 MDMSNode "Power"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 relay atsha204a atmega328p hlk-pm01 dc-dc acs711 • 22 Mar 2017, 20:15 • openhardware.io 5 Oct 2017, 16:07

Several networks working along side each other
Development • arduino signing pairing • 10 Mar 2017, 18:35 • Søren Heide Larsen 10 Mar 2017, 19:49

Creating a wireless fingerprints sensor !
Hardware • arduino • 12 Feb 2017, 18:42 • Ziip 24 Feb 2017, 20:14

💬 ArduCure
OpenHardware.io • arduino curing chamber salami • 31 Jan 2017, 06:47 • openhardware.io 31 Jan 2017, 06:47

💬 Snail Vision 7 Pixel RGB I²C Camera
OpenHardware.io • arduino vision machine vision low resolution • 11 Jan 2017, 22:07 • openhardware.io 11 Jan 2017, 22:07

PN532 NFC RFID module V3 kits : Didn't find PN53x board
Troubleshooting • arduino nfc pn532 • 20 Dec 2016, 14:31 • SebDominguez 12 Apr 2017, 19:15

How to combine arduino sketches?
Troubleshooting • arduino help sketch combine • 25 Nov 2016, 12:47 • seji 25 Nov 2016, 12:47

💬 ESP-LINK ESP8266 WeMos D1 Mini Adapter Board
OpenHardware.io • arduino esp8266 pro mini wemos adapter interstitial serial wi-fi esp-link d1mini • 7 Nov 2016, 17:03 • openhardware.io 9 Feb 2017, 04:56

💬 Arduino Pro Mini Shield for RFM69(H)W
OpenHardware.io • arduino rfm69 temperature sensor humidity pcb atmega328 atmega328p si7021 rfm69hw wireless bme280 pressure interstitial • 2 Nov 2016, 18:10 • openhardware.io 24 Mar 2018, 11:45

Porting MySensors to non-arduino platforms (like ARM mbed)
Hardware • arduino porting arm mbed • 9 Oct 2016, 11:20 • nono8223 9 Oct 2016, 11:31

💬 Hover SmartHome sensor and controller system
OpenHardware.io • arduino nrf24l01 esp8266 raspberry stepper motor smarthome cortana wiolink • 26 Sept 2016, 03:15 • openhardware.io 26 Sept 2016, 03:15

💬 MDMSNode "Lighting"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 light acdc light switch • 7 Sept 2016, 19:43 • openhardware.io 30 Mar 2019, 11:22

💬 CM1k Breakout Board -- Neuromorphic Chip
OpenHardware.io • arduino i2c breakout board neuromorphic general vision artificial neural network cognimem cm1k • 3 Sept 2016, 01:24 • openhardware.io 29 Dec 2016, 17:48

Dimmable LED kitchen light (Arduino, APDS-9960, RGBWW led)
OpenHardware.io • arduino apds-9960 • 28 Jul 2016, 16:50 • openhardware.io 10 Nov 2017, 09:24

My simple and minimalistic calculator with only two buttons
My Project • arduino lcd attiny85 • 26 Jul 2016, 08:26 • Volos Rakic 26 Jul 2016, 08:53

Home Automation and monitoring
My Project • mysensors arduino home automation • 26 Jun 2016, 23:04 • sudo_bash80 26 Jun 2016, 23:04

💬 MySensor Dioder (Ikea)
OpenHardware.io • mysensors arduino contest2017 led rgb ikea dioder hue trimmer • 5 Jun 2016, 13:07 • openhardware.io 13 Dec 2016, 16:17

Arduino + Motorcycle
General Discussion • arduino cool motorcycle • 6 Apr 2016, 19:13 • micah 9 Apr 2016, 21:24

Arduino with built-in RF running on a single AA
Hardware • arduino rfm69 battery low-power • 21 Mar 2016, 02:42 • Michael Moebius 21 Mar 2016, 11:20

MySensors Mini Scene Controller
OpenHardware.io • mysensors arduino battery contest2016 • 1 Mar 2016, 03:56 • openhardware.io 6 Sept 2016, 11:12

Call to begin function hangs arduino
Troubleshooting • arduino nrf24l01+ hang • 29 Feb 2016, 19:59 • gerard 3 Mar 2016, 19:45

Low Power Servo Actuator
Development • arduino battery powered rf24 low power servo • 11 Feb 2016, 14:43 • Tango2 12 Feb 2016, 10:21

RFduino
Hardware • arduino rfduino • 9 Feb 2016, 16:37 • lvidal07 9 Feb 2016, 18:51

ioBroker / NEW Controller Development / collection of FEATURES you/we need
My Project • arduino controller development iobroker features • 1 Feb 2016, 12:46 • maxtox 21 Mar 2016, 19:28

12 volt downlight dimmer
Development • arduino led switch dimmer • 24 Jan 2016, 07:39 • Homer 24 Jan 2016, 15:59

Arduino & Microsoft Competition
General Discussion • arduino iot maker microsoft • 22 Jan 2016, 07:09 • Samuel235 25 Jan 2016, 05:17

💬 My Slim 2AA Battery Node
OpenHardware.io • mysensors arduino nrf24l01 battery low power enclosure • 8 Jan 2016, 13:44 • openhardware.io 14 Dec 2020, 19:09

Arduino Power Supply
OpenHardware.io • arduino power supply • 7 Jan 2016, 15:41 • openhardware.io 3 Feb 2016, 23:20

💬 MySensors node
OpenHardware.io • mysensors arduino nrf24l01 rfm69 temperature battery humidity atsha204a flash mysx1.5 • 7 Jan 2016, 14:34 • openhardware.io 18 Jan 2016, 15:27