General Discussion

• 

  Updating to 1.5 and question about RFM69HW
  • Cliff Karlsson  

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  @riteshpatel I upgrade to version 1.6 beta as this have an must better integration with the RFM69 radios. Now you only have to configure your device in the MyConfig.h file. Also if you look at the sketch you will see you only have to #define MY_REPEATER_FEATURE to have the repeater. // Enable debug prints to serial monitor #define MY_DEBUG // Enable and select radio type attached /m#define MY_RADIO_NRF24 #define MY_RADIO_RFM69 // Enable repeater functionality for this node #define MY_REPEATER_FEATURE
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  OTA sending updates ?
  • skywatch  

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  I understand that this answer is a bit late, but for future reference if someone finds this thread, I think the best answer is at http://forum.mysensors.org/topic/838/windows-gui-controller-for-mysensors/73
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  Getting data from an RPI to Vera?
  • Kurtsejr  

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  Merry Christmas MySensorers
  • Anticimex  

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  Merry Christmas to all of you
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  Interesting IoT development from Huawei
  • Chester  

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  Atmega Chip Programmer
  • LastSamurai  

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  Ah that makes sense! Sometimes you forget the easiest parts^^ I guess I will try the nano first, the other one is quite expensive (>= 30€)
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  outdoor keypad or keyfob for alarm system
  • pat  

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  I'm planning to use my Yubikey Neo as key to the alarm system. It has NFC and it's more secure than just an RFID tag. It can do SHA1-HMAC among other things. You can combine that with a passcode and have 2FA. Only downside: 50$ a piece. But it's a very versatile security gadget, and for me, it's worth it.
• 

  Change power output?
  • Cliff Karlsson  

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  @Cliff-Karlsson said: thanks for the answer, I don't really know what a fly-back diode is or have any non-light diodes at home right now. I have a couple of optocouplers, mosfets and transistors lying around. Can I use any combination of those components to control the pump? At this small pump a mosfet will probably also work yes. To the fly-back diode: As you may already know a diode only conducts in one direction. And you may also know that a electric motor can also be used as an generator. When powering off the motor the motor will be act for a short time as "generator" due to the momentum and the stored energy in the magnetic field. The diode will be connected between the mosfet and the motor to prevent flow of current back to the mosfet in this event.
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  PINE A64, First $15 64-Bit Single Board Super Computer
  • ahmedadelhosni  

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  Hi, I think that board is bad air now, the board in hardware is well, but in software not, no linux suport now, this company is asking to community to provide a linux support, because they cannot do this work. and only a sdk from allwinner with android is provided. this board with linux won't work with accelerated gpu only headless and doesn't have any sata. more info https://groups.google.com/forum/#!topic/linux-sunxi/Ze_UhiO00t8 there are boards with a soc allwinner A20 that have sata port and works well with mainline linux only headless mode and basic graphics. or kernel 3.4 for graphics support. and has a community effort with distribution like armbian.com check these site for headless debian, works well. more info at linux-sunxi.org or http://linux-sunxi.org/Linux_mainlining_effort for check new features and new boards support.
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  Need idea for turn off speakers when tv is off
  • Tomasz Pazio  

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  Ok solution is now live PowerNode from GreenWave with power monitoring. I'm monitoring power consumption on DVBT reciever. When it goes up from idle, tv and speakers turn on, when goes to idle consumption it turn off all
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  Visual studio dev essentials
  • pelle  

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  Wired instead of wireless sensors; How To?
  • MaxG  

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  @MaxG , maybe this may help a bit.
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  Vera 3 availability
  • csa02221862  

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  Went looking on the forums and didn't find anything.
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  Arduino "Pro Mini" instead of "Nano" as SerialGateway w/ Domoticz on Rasspberry PI
  • lrtsenar  

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  Controlling 433Mhz products like nexa and others?
  • Cliff Karlsson  

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  @Cliff-Karlsson The RFXtrs433E is a bit expensive but works really well. I received mine last weekend to control my Somfy Blinds. Also I'm now able to hijack my neighbours light controls Can't wait till the next time I'll visit them, and see the look upon their face when I switch on and off their ligths without them knowing that's me doing it.
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  What does the LED blinking (pin 13) mean?
  • Erik Forsberg  

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  @TimO To confirm this I just 'rebuilt' my actuator node as the example humidity sensor (swapped a few links on my breadboard) and now the Pin13 LED behaves just like the other sensor node, mostly off with just a tiny flicker on each transmit.
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  This topic is deleted!
  • Brad Jeffery137  

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  Output voltage if Atmega is running at 3.3v ?
  • ahmedadelhosni  

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  No problem, you're welcome
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  Thermocouple Type K temperature measurement
  • Benjamin Heng  

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  RFM69 breakoutboard, what components to use?
  • Cliff Karlsson  

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  You could combine the two ideas and create a PCB board with level shifters and the 4x2 connector.
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  Code for Repeaters ...
  • Dave Dan  

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  Thank you all ... that was what I was looking for.
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  This topic is deleted!
  • Benjamin Heng  

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  If you got to do it twice, automate it.
  • hek  

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  @hek And now for the really useful stuff: https://github.com/narkoz/hacker-scripts
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  Anything that will automatically convert a fritzing into a more compact layout?
  • NeverDie  

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  Have a look at 123d.circuits.io. It has an editor like Fritzing, which you can easily toggle to schematics view or PCB design. It might fit yours needs.
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  Are schematics that hard to read?
  • Zeph  

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  Maybe 123d.circuits.io is a good alternative for MySensors users. It has an editor like Fritzing, which you can easily toggle to schematics view or PCB design. It is even able to simulate Arduino with running code! Quite impressive.
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  Help moving files between Arduinos using RF24
  rf24 csv file transfer • • trout_lady  

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  In general the readings will not be underwater. At best, I think we could cover a foot or two with RF before the signal fades to noise. Even though sound travels well underwater, RF at these frequencies do not. But what we hope to do, is take them out, leave them sealed and then download the information via a stored CSV file. That is the part we are struggling to code with right now. Sensor arrays: We are building one to ride on surfboards that has gyrometric and accelerometric capabilities as well as temperature using a sinple DS18B20 tail into the water. This is for a social science project. However, a more involved project involves pressure, temperature and conductivity (this is the hardest one to reliably measure with affordable parts). the whole shebang is used to monitor streams, rivers and as of late wells to assess the impacts of salt run-off and ground water infiltration. Currently the commercial units cost $1500 plus a reader per single instance. If we can get this to work we can install 10x the number of sensors and engage citizens and science teachers in the building of our network. Right now, I am trying to make it easy to get files out without the help (who might be 10 or not technical) having to open the units and reassemble them properly. Thus the WIFI.
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  PWM on PC Fan
  • cedru  

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  perfect ! a big thank you from France
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  Integration required
  • hydrofil  

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  You should be able to use the RS485 transport layer available in the development branch. It is still quite undocumented though.
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  Could you please suggest me good current sensor module to monitor the current of the motor ?
  • musthafafarhan  

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  Is it an ac or DC motor.? In both cases you can measure current, but you can have a different solution. A board like http://m.ebay.com/itm/1pcs-5A-range-Current-Sensor-Module-ACS712-Module-NEW-/381374424345?nav=SEARCH Is an easy (invasive) solution.
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  Serial gateway with the API
  • skatun  

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  @skatun You just do sending the same way on gateway as on the nodes. send(msgTemp.set(temperature, 1))
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  Question about premade pcb
  • Cliff Karlsson  

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  Oregon sensors
  • ferpando  

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  Oregon is 433mhz right? You need a 433mhz reciever and either decode it into MySensors language or connect a reciever like RFXCom or RFLink (work with Domoticz) to your controller (=Not MySensor). Both above support Oregon. Here is a good project by petewill that includes decoding 433mhz to MySensors: http://forum.mysensors.org/topic/7/controlling-blinds-com-rf-dooya-motors-with-arduino-and-vera
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  How can I set the payload for MQTT v1.6
  • ahmedadelhosni  

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  I guess I solved the problem. Please check http://forum.mysensors.org/topic/2193/gatewayesp8266mqttclient-in-development-branch/11
• 

  Vera Edge
  • csa02221862  

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  Thanks Hek - the ESP8266 gateway was already on the list to investigate... so much cool stuff to do, so little time
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  Regulations on using home-made electronics?
  • dakipro  

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  Yeah, makes sense... I guess then that z-wave it is for controlling 220v. I have read that 433mhz usually doesn't have two way communication, which is inconvenient for reliable setups (state of main lights etc). And z-wave is not quite cheap setup. I am planning to use MajorDoMo controller, they support Z-Stick and raZbery as gateway. What would be the cheapest and minimum z-wave setup for turning on/off (and maybe dimming) the lights? So far I've found f.eks. z-stick https://www.m.nu/zwaveme-stick-p-1778.html for 35ish euro and popular Fibaro WALL PLUG FGWPF-102 for 60ish eur. Would that be minimum that I need to hook up to a pc running a controller that supports z-wave? Than it would be about 60euro for every new light/switch (vs 6 eur for one risky diy). Being a cheap guy I must ask, is there any cheaper certified alternative?
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  Ceiling fan control replacement
  • csa02221862  

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  I don't know yet haven't opened it yet. But, i think its only a switch to different windings on the motor.
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  MQTT Broker support in MySensors 1.6
  • jkandasa  

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  @hek I am back from work. In 10 mins I knew what was the problem and you won't believe it Since I was flashing at first the gateway, thus I defined the MY_SOFTSPI and didn't commented it back when I was flashing the relayactuator ! What a mistake !! I'll keep you updated as I'll start development the logic for the gateway using mqtt and the other node. Thanks hek.
• 

  Presentation at Cloudbeer Stockholm 2015-10-05
  • mfalkvidd  

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  Here is the video from my presentation if anyone is interested: https://www.youtube.com/watch?v=jluCmp8X29I&index=5&list=PLWYzpH_PTTmPrwl-kjN_V6cJZDzLW-ELb
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  Is it better to use RFM69HW/Nrf24L01 long-range on gateway?
  • Cliff Karlsson  

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  @Cliff-Karlsson In the long range variants, the LNA is for the receive side (does a better job amplifying the received signal) and the PA is to produce higher power output on the transmit side. I use a module with a LNA/PA for my gateway and also for nodes that are far away or behind a few walls. Cheers Al
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  Arduino Pro mini + RF 433 MHz as Gateway
  arduino pro mini 433 mhz • • lrtsenar  

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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.
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  Radio receiving signal
  • mdh  

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  Gateway with both RFM69 and nRF24l01+ ?
  • Cliff Karlsson  

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  I think that will be my strategy. That is, I keep my current rf24 gateway and larer on add a "69" gateway when the rf24 does not really cut it abd i have to use 69 nodes (typically the ones far away). I am not too fond of deploying wired repeaters unless I have to.
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  Security
  • andriej  

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  @Avamander "MySensors" has had support for this for quite some time yes. As you can read in the topic post of this thread. Encryption is discussed elsewhere on the forum.
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  Silly question regarding highlited sites in posts
  • 5546dug  

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  @m26872 I like the ad/info box. It gives convenient access to a picture of the item and a price. And if people click it, they support the project since a fraction of the price will go to the project. However, if you want to avoid the box you can create a link using bit.ly (or goo.gl or any other url shortener). This works for codebender links as well. Like this: http://goo.gl/E9Gy6X
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  Serial Gateway as Controller
  controller serialgateway serial protocol • • dzairo  

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  Hi. It's long time .. but standard function is : gw.processRadioMessage(); and I make changes in source code in MyGateway.cpp to this : char MyGateway::processRadioMessage() { char isMessage=0; if (process()) { // A new message was received from one of the sensors isMessage=1; MyMessage message = getLastMessage(); if (mGetCommand(message) == C_PRESENTATION && inclusionMode) { rxBlink(3); } else { rxBlink(1); } // Pass along the message from sensors to serial line serial(message); } checkButtonTriggeredInclusion(); checkInclusionFinished(); return isMessage; } But in new library is not file MyGateway.cpp .. then I don't now .. using is : if (gw.processRadioMessage()==1) {..} regards.. there is possible make easy gateway .. controler .. to control only light for example.. then we don't need external controller .. etc..
• 

  Home Link to MySensors
  • csa02221862  

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  @csa02221862 The easiest may be to use something like this and connect to an Arduino: http://www.ebay.com/itm/321816823725 and use the remote to program your HomeLink buttons. Not sure how secure it would be though. Cheers Al
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  German speaking members
  • Didi  

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  Ex Berliner in Baden Würtenberg
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  Need Advice on Sizing a 5V DC Motor
  • zebmina  

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  @hek : Many thanks! I can do the math to do a pulley system, but that is dependent on the size of the motor, yes? What would you think the minimum size of motor I should start with? Do I need to go to a 24VDC motor, or can I do something with 5VDC motor? Regards..
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  Breakout boards - a plea for consistency!
  • MikeF  

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  https://xkcd.com/927/
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  Will the Arduino mini 3.3v give enough stable power for nRF ?
  • ahmedadelhosni  

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  @rvendrame Does the mysensors library use high power modes on the nrf? As far as I remember these can use much more power.
• 

  Sketch for powerconsumption
  • Cliff Karlsson  

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  @Cliff-Karlsson Here's a good example as to how to use them: http://openenergymonitor.org/emon/node/58. You'd have to combine their sketch with a MS sketch, but that shouldn't be too difficult. Note that a clamp on current transformer can produce high voltages without a burden resistor and should never be used without being connected. See the Safety section on this page for more info: http://openenergymonitor.org/emon/buildingblocks/ct-sensors-introduction. Cheers Al
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  A super easy MQTT getting starting guide?
  • NeverDie  

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  I had to restart this night which was the first restart since months. Tonight the clocks were changed (Daylight Savings Time). I suspect that this was the reason. Apart from that it is absolutely stable.
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  Many nodes with simple sketches or less nodes with complex sketches?
  • FotoFieber  

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  Yes depending on the controller (Arduino) you choose will determine the number of sensors or actions a node may support. I will take into consideration if the node can be hidden, or it needs to be small and/or presentable where it is going to be located. This may effect your choices for the controller. I will also look at the tasks I'm trying to accomplish for a given objective. Some tasks like knowing if a door or window is open or closed and a motion sensor may not play well with each other in a node. Determine if it is going to be using batteries or get power from my house curcit (for example via a wall wart). When determining the power source I will look at the tasks I have defined. One of the tasks could determine if you are able to resonable use batteries to power it. For example a task like knowing if a door or window is open or closed most likely will not be run on batteries. If using a battery you should put your controller and radio to sleep as long and often as you can. If you have to use a small controller then the number of interrupts available will be limited and most likely be one. Some tasks will use an interrupt to override the sleep timer, for example a motion sensor. If more then one task (like a motion sensor) needs an interrupt and you are using a small controller you will need to split it up to more then one node or redefine your objective. These are just some thoughts I have been running with for now. Any other persectives are greatly appreciated. There are several of you that have a lot more experience with this adventure then I do.
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  Complete Beginner with MySensors - questions about relays, MQTT and OpenHAB
  • HenryWhite  

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  @tomkxy @Dwalt thank you for your answers! I read that it's better to use the MQTT than the serial gateway - is that the case? and when yes, why? thanks!
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  Halloween display
  • csa02221862  

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  Interrupt, Perform a specific function, not the loop
  • vickey  

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  @AWI This code runs continuously for 5 seconds in order to get a stable reading of light using LDR, which is used to set night mode on and off.
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  Help programing Pro Mini 5v clone
  • popunonkok  

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  I use an ftdi cable https://www.sparkfun.com/products/9873 Be sure to use one that can be switched to 5v. I have one that supports both 3.3V an 5.5V. Once you've hooked up the ftdi to the arduino and your make book, you're good to go
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  combine repeater and sensor type
  • Steve Caster  

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  @hek said: @joshmosh said: Would gw.begin(incomingMsg, MY_NODEID, true) turn this node into a working repeater ? Yes, this enables the repeater feature. OK,thank you. This will save me an additional node.. Cheers Josh
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  What wire to use when soldering semi-permanent sensors?
  • Cliff Karlsson  

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  Hi, why dont you design your own pcbs? Its quite easy... Greetings Andreas
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  Protocol question
  • Gabriel López  

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  What does you sketch look like? Do you listen for incoming messages and answer the request when it arrives? The node does not keep any state by itself of the last sent message etc. So you have to save these values yourself and send them upon request.
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  Time without data reading
  • raulandresmoch  

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  @raulandresmoch Intresting reading on accuracy & lifetime! of temp sensors. Conclusion: The SHT71 does seem to be generally superior to the DHT22. It is better made, at least as accurate, more precise and responds more quickly to change. It does of course also cost ten times as much. Reliability may justify the higher cost, but I have to be cautious because I have not had the Sensirion device as long as the others. Two of my six DH22 / AM2303 devices have failed. Life expectancy is around one to two years. After 18 months of continuous operation only one of my six DH22 / AM2303 devices (device E) is able to match the performance of my one SHT71. Of course it is possible that I got the one good SHT71, but I do not consider that likely. The DHT22 cer list itemtainly is better than DHT11 and easily justifies its``` extra cost. list item
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  Repeater not working - How to?
  • Mohsin Hassan  

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  You cannot leave out any parameters in the middle.
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  Method to reveal sketch inside node or g/w
  arduino vera ide • • 5546dug  

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  @LastSamurai good idea! Will give it a go!
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  Is anyone using senserbender with HC-SR501 PIR ?
  • joaoabs  

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  yeah i'm running a bunch. connect to the bottom pin on the top left side (basically not the vcc pin on the bottom) it take 3v and works great.
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  This topic is deleted!
  • JJ-C  

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  Basic Lcd Node
  • andyuno  

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  Did you ever get this going if so can you share the code? My project is similar have a few temp sensors around and send them to an lcd screen node. Lcd can be a repeater to the gateway for logging on domoticz, also if so what extra code did you add on the temp sensor side?
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  Problem with nrf24l01+ and chinese arduino clone
  • Gabriel López  

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  I update my arduino IDE and the version of MySensors and works fine!, thanks anyway!
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  What's up with gateway code on github ?
  • Mike Cayouette  

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  @hek Thank for the update, it looks very interesting. I have been working on a ESP/MQTT sketch using the ESPWIFI Gateway and the subpub library. I will try the sketch in the development branch. I'm sure you have workout everything I am having problems with Regards, Mike
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  Is there any complete "how to guide"?
  • magpern  

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  @sundberg84 Thanks for your answer! Now makes a lot of sense and it works I am able to assign ids
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  Bluetooth proximity sensor
  • tomm277  

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  @tomm277 Here is an example project along those lines.
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  'production' setup - how do you guys do it?
  • Kurt  

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  @Yveaux For your influx flow you can try this : [{"id":"8347dab9.7cb828","type":"mqtt-broker","broker":"localhost","port":"1883","clientid":""},{"id":"d92d398d.26d2c8","type":"mqtt in","name":"Temperature Bureau","topic":"MySensors/4/1","broker":"8347dab9.7cb828","x":159,"y":103,"z":"183ecd0f.e7c133","wires":[["a929fd06.56d6"]]},{"id":"a929fd06.56d6","type":"function","name":"","func":"var newMsg={};\nnewMsg.payload = new Buffer(\"temp,location=Bureau value=\"+msg.payload,\"binary\");\nreturn newMsg;","outputs":1,"noerr":0,"x":354,"y":103,"z":"183ecd0f.e7c133","wires":[["4b2e850f.b4d17c"]]},{"id":"4b2e850f.b4d17c","type":"http request","name":"","method":"POST","ret":"bin","url":"http://localhost:8086/write?db=test","x":505,"y":103,"z":"183ecd0f.e7c133","wires":[[]]}]
• 

  Mosfet for RGB control
  • Cliff Karlsson  

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  "Is this the same component? and could I use those in the same way as the regular mosfets?" If you are use a 5 meter strip (300 LED and each LED can consume 60mA in "bright white"), you need a MOSFET with ~18A in theory. The IRLL014 has 2.7A which looks like it is not enough. SOT223 is a small size and if you are a beginner it is hard to solder it on a PCB
• 

  433MHZ Weather Station by Acurite
  • Newzwaver  

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  @Newzwaver Start here for methods on sniffing the code.
• 

  Arduino Library's for ADE7763 energy meter series
  • jkandasa  

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• 

  NodeBB needs your permission to activate desktop notifications. Click here to activate them. [duplicate]
  • mfalkvidd  

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  Thanks Sparkman. I searched the forum for the banner message, didn't realize that it had been discussed before without mentioning the contents of the message. Sorry about that.
• 

  MQTT_FIRST_SENSORID in MQTT Client Gateway Dev. Branch 1.5
  • FotoFieber  

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  The nice thing about the MQTT Client Gateway form 1.4 was, that it was the controller too. If I need a controller, I will use node-red with the serial gateway. MQTT is then handled by node-red.
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  Rome. Maker Faire
  • Nicola Reina  

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• 

  Looooong range wireless...
  • mvader  

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  Use a LoRa transceiver if you want really long range on an ISM band. You can't legally use an FRS/GMRS for sensor data. It's reserved for voice communication.
• 

  Mailbox detector, what is the most battery efficient sensor?
  • Cliff Karlsson  

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  Magnetic switch or tilt switch (ball or mercury) would be a safe bet. Other possibilities would be a mechanical switch either at the top or bottom (that reacts to the weight of the mail). A light sensor / resistor (which obviously wouldn't work at night) or perhaps some sort of IR beam (not very battery friendly I imagine). Personally I have been using tilt switches for a couple of years. Very jumpy though when it comes to debouncing. Never tried with a capacitor as a simple hardware debouncer but rather just run the tripped message every loop and then sleep at the end of the loop, first for 10min and then until the next interrupt. Domoticz sets the sensor as "off" automatically after a time. A bit hacky but it works it seems. Reading the tilt switch state and getting it right every time became too frustrating. Speaking of debouncers, I was almost desperate enough to look into debouncer ICs like the Maxim MAX6816/MAX6817. Almost. A bigger concern is perhaps radio range. Despite earlier trials that seemed to indicate that the range was ok (and activating ACK), I had to set up a repeater node (with a pa+lna no less, the normal module wouldn't work!) and manually make sure the mailbox node always sends through the repeater. I was planning to set the repeater up eventually anyway, this just forced my hand.
• 

  Information about the data
  • A Former User  

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  I looked through the areas you suggested but I didn't see any reference to the letters used in the following line of data or how the data is laid out. 0;0;3;0;9;read: 0-0-0 s=0,c=1,t=23,pt=2,l=2,sg=0:455 0;0;1;0;23;455 I did figure out that the last number at the end of the line was the data being sent. Can I assume that you can't use the data directly from the gateway, It has to be connected into a VERA box?
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  Help adding battery level to switch sketch
  • Cliff Karlsson  

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  @Cliff-Karlsson said: mys.sleep(BUTTON_PIN-2, CHANGE, 0); Change to wakeUpReason = mys.sleep(BUTTON_PIN-2, CHANGE, SLEEP_TIME); See documentation on wakeUpReason if you only want to send battery value at wakeup.
• 

  Pulse Powermeter
  • Francois  

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  @Tommy-Sharp the gateway is like the RFXTRX, it has no memory by design.
• 

  Visiting Sweden
  • soward  

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  I never had a chance to explore the northen countries, folks say its beutifull landscape and nice people. perhaps some day.
• 

  Question about Vera Lite and MySensors
  • TheoL  

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  @TheoL said: Thank you everyone for your replies. I'm currently using Domoticz with Razberry. And that works okay. But when I define scene's and activate them, it takes sometimes a couple of seconds for each switch to go off or on accordingly to the scene. I read on this forum that most Vera users are happy with it. So I was thinking that I might switch over to Vera. But if I'm not mistaken I should go for a more expensive model? I'm also very curious if I can hook up OpenHAB to Vera. Because OpenHAB has some features which I also like ;). I have been a Vera user , all flavors , for more than 8 years now, I have tried Ui1.5.x.x and UI7.x.x ,I have tried the Vera Edge with approx 40 sensors and modules and using PLEG for controlling most all aspects of the Home automation. I found the Vera Edge could not handle all the Automation, tech support worked with me for 3 weeks to try to get the Edge to cooperate . I finally sent it back to where I bought the Unit. I changed over to my Veralite and my Vera3 and split the work up between the 2 controllers. I run Mysensor Ethernet Gateway on both of my controllers, 1 gateway for 2 Veras. I have Zwave motion sensors,Zwave modules, Zwave dimmer modules, Zwave Honeywell Thermostat and Temperature and Humid sensors that are Zwave. I have Mysensor door/window sensor built with Attiny 85, so much cheaper to build than using Nano or Pro-Mini I also have Scene controllers built with pro-Mini that control ceiling fans remotely, bedroom lights remotely, Entertainment Centers remotely. You get the Idea. Now nothing is perfect I have had my glitches but for FREE their is no other controller I will use , unless someone comes up with one as reliable and cost effect as MCV. This is my 2 cents worth.
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  Running two gateways side-by-side
  • diggs  

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  @5546dug @hek Thanks guys. Will jump in and see what happens.
• 

  How to publish projects build on top of MySensors (library)
  • LastSamurai  

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  @LastSamurai said: I love the project and I want to "steal" your work. I just realised that I forgot the "don't" there. I fixed that.
• 

  What does "Multiceiver - 6 Data Pipes" means - nRF24L01 ?
  • ahmedadelhosni  

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  Thank you for your reply. Things are getting more clear. I am just still not familiar with the chip. Suppose now that I have one chip as a transmitter and I have 8 nodes as receivers. In the first case the TX will be able to transmit to all 8 nodes successfully, right ? But If now I want after transmitting to be able to receive an ACK or a specific form of bytes which indicates that the value was received by one of the 8 eights correctly. Will that be applicable ? Will the trasnmitter node be able to receive from the 8 nodes ? As I said I still can't get how is the nrf configured, like what are adresses and whether all nodes has same frequency or not...etc. Thank you.
• 

  Power Pro mini 3.3v from usb ?
  • Cliff Karlsson  

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  Why not connect the arduino directly to the IO pins of the raspberry? I have a similar setup running with a sensebender micro as a gateway.
• 

  Soldering iron / station requirements
  • BastienVH  

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  @BastienVH I use 0.8mm wire. I have found it suits me for all-around soldering of both through-hole and SMD. For tip I would recommend a chisel tipped one. That provides the best heating and you can turn it depending on the area you solder in. Very rarely I change tip to a pointy one, but for sure, it is good to have the option to switch tips. They eventually wear out. Of course, it is a matter of personal taste as well
• 

  Request parentNodeID
  • xefil  

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  first attempt, 2 Dallas temp sensors on 1 node. Unstable sending.
  • popunonkok  

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  You can look that up on the main page under API/Download: http://www.mysensors.org/download/serial_api_15 For the sending problems: I seem to have had a similar probleme here too. I will try to wait() fix too and report my findings
• 

  Dallas 1-wire temp only gives 22 degrees C reading. Any suggestions?
  • popunonkok  

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  glad you found your issue
• 

  DSC Alarm and My Sensors/OpenHAB
  • pwatt01  

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  Thanks for that advice. I reckon ill get started with some hacking and see how far I get! Thanks!
• 

  Multiple nodes or multiple sensors
  • Tomasz Pazio  

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  I like the logical grouping of sensors in nodes. It also saves me a lot of 'hardware'. And there is the challenge of combining code, (conflicting) libraries and amount of memory. Which I actualy like. You need to use some best practices (like non blocking code) and be aware of timing issues though.
• 

  SensorID not stored in EEPROM
  • Steve Caster  

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  I rebooted the sensor and now it does store the sensorID. (Could this have been as I was on 1.6.5-R5 and now on 1.7.7 or the IDE?)
• 

  Random Sensor Readings
  • diggs  

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  Thanks for the input all I might put two sensors together and see what transpires to see if I can narrow things down a bit and see if it is specifically a sensor issue or the controller.
• 

  Light Switch UK 240v
  • allysmith  

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  Thanks for the feedback. I only just found this post and it looks like this is what I am looking for:- link text
• 

  MYSbootloader for Pro Mini 1Mhz
  • Anduril  

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  How did you get it to work?? Could you write a noob tutorial on how it works with bootloaders and how to upload them? I've downloaded the mysensors1.5 zip file, but what are the next steps, how do i get it to show up in arduino sketch and after that what must i change and how do i upload it in my arduino??
• 

  Some general questions before I start ordering/building.
  • popunonkok  

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  Hi! If you connect the ethernet gateway to your routner/switch then domotiocz/raspberry will find and read from that IP given to the ethernet gw. If you want you can connect the radio directly onto the raspberry (http://forum.mysensors.org/topic/1151/tutorial-raspberry-pi-nrf24l01-direct-connection) but I dont know much about that. Yes, atleast i have 4 sensors in the same node. I dont know max and has never combined sensors and actuators. Dont know Welcome!
• 

  Reason for all the different sensor-types (but same datatypes)?
  • ahhk  

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  Hi, thats a LOT of text - wow. but very interesting (didnt read everything until now). Is there a topic or discussion ongoing on this? Maybe it can be redone with "mysensors 2.0" (in parallel to 1.5).. I will make a deep-dive into the source code now. Its too interesting and i like this kind of coding At last: Sry that i opened another topic for this question. looks like i didnt use the right words in the search Greetings
• 

  This topic is deleted!
  • einaras  

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  New Project
  • Starjade  

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  @Starjade Here's a good write-up as to what MySensors is about: http://www.mysensors.org/about/components. The intent of MySensors is for a Home Automation system (the controller) to talk to remote sensors through a gateway using NRF24L01+ radio modules, although other radio types are now supported as well. Cheers Al
• 

  Understanding the message
  • diggs  

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  hi guys thanks all for the responses. Tis all clear now and makes sense
• 

  MQTT Setup - Client or Broker & Testing
  • diggs  

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  @TD22057 said: @John-Connolly You may want to the try the client gateway from this thread: http://forum.mysensors.org/topic/524/mqtt-client-gateway It's a real MQTT client (point it at your Mosquitto broker) which I find easier to understand than the pseudo-broker that the MQTT gateway uses. That's EXACTLY what I need/want! Thanks! I'll give it a shot the second the new kit arrives from AliExpress...which is taking its time.
• 

  Wire for soldering
  • Omemanti  

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  Great,Thnx, Exactly what I was looking for! Mark
• 

  External connector options?
  • TD22057  

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  I've been planning on using JST PH (2.0 mm pitch) connectors on my custom PCB's to connect the external connectors (GX12, 3.5 mm headphone jacks, 5.5 mm power sockets) from the sensor case to the board. They're nice in that they're fairly small, polarized, and cheap. But - you need to buy a good crimper - the pins are incredibly tiny. I almost decided to by the plugs with wires attached because they're so hard to crimp. None the crimpers I own was small enough so I ordered the (Engineer PA 09)]http://www.ebay.com/itm/Engineer-PA-09-Mini-Molex-Amp-JST-Crimp-Tool-Wire-Terminal-Crimping-Pliers-/252030460510?hash=item3aae2fa25e] which seems to be the cheapest "good" option. Another option on the board (I wouldn't use these on the sensor case) are Dupont 2-pin connector. These "Dupont" connectors require a female pin (which is also really cheap) and push on to standard 0.1" pitch pins on a PCB (like the 4x2 NRF radios). They have the advantage that they use less space than the JST connectors but are not polarized. Search for "Dupont connector" on ebay to find tons of options. I can't decide if the easier crimping and less board space are worth the risk of mounting connectors backwards and potentially wrecking components.
• 

  RFM69W voltage dividers?
  • TD22057  

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  @fets No - the NRF radio has 5V tolerant inputs (you still need to supply it 3.3V on VCC, but it can handle 5V on the signal lines). The RFM radio does not - it needs 3.3V on the signal lines. So the NRF works fine w/ 3.3V and 5V arduino's. The RFM radio needs this modification when used with 5V arduino's. FYI - I found someone who build a small break out board for the radio and had an optional level shifter using a simple resistor network and said it worked great. I liked the idea, but not his board layout so I modified it and ordered some from OSHPark a few days ago. The original board is here. My modified board (no 3.3V regulator or flash support) is here. I wanted minimum width in order to mount the board on the side of a box (thickness dimension). Warning: I haven't tested this yet (order arrives in 2 weeks) so I haven't published schematics or anything else for it yet so I wouldn't order it if anyone is interested. There are tons of RFM69 breakout boards with various features (including one that plugs into an NRF 2x4 socket) if you search for them on OSHPark.
• 

  My Sensors vs Win 10
  • 5546dug  

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  I m on win10, no pb tu use IDE 1.6.5 ftdi and ch340 drivers are default include
• 

  Can't scroll code with ipad
  • 5546dug  

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  Ok got the scroll to work, it is in from the edge of black area, I need to touch and bee still for a second ... Then drag. Thanks for your help.
• 

  Help with building a smartphone app for a sensor platform
  • aerosol  

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  A smartphone could be useful as a sensor, multiple sensors or output device. Like the 1sheeld project. Otherwise I would think the smartphone app can better interact with a controller. (imperihome/ vera)
• 

  Best way to combine two sketches using interrupt and sleep time?
  • Cliff Karlsson  

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  You can actually combine both I think. Search for sleep. There is a sleep function bool sleep(int interrupt, int mode, unsigned long ms=0); that both listenes to an interrupt and wakes up after a certain time. The return boolean value indicates which one.
• 

  Mysensors - Keep alive / LWT (last will, testament)?
  mqtt testament keep alive lwt last will • • ahhk  

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  Although i like the idea, it will force you to send a value even if it has not changed. Defeats a bit a battery optimized sensor node.
• 

  Happy 2nd Birthday to MySensors!!!!
  birthday awesome • • gregl  

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  https://www.youtube.com/watch?v=60P1xG32Feo
• 

  Basics of powering multiple sensors from one arduino
  • Cliff Karlsson  

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  @Cliff-Karlsson Yes, you can power them from the same pins. You do have to make sure that the Arduino can source enough current for all of the sensors that you have. The amount they can source will depend on which Arduino you have. Cheers Al
• 

  Need advice on extending Z-wave range
  • JoeStrout  

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  @JoeStrout said: I started setting up a Z-wave network a couple months ago when I moved into this new house. For the most part, things are working pretty well. But I have a node in the back yard that controls the yard lights; it's located in the pool pump area, behind a concrete wall, and the far edge of the property. At first I couldn't reach that node at all, but then I stuck another module on one of the outside outlets on that side of the house. Then I was able to reach that remote node fairly reliably. But it was still a bit flaky, and for the past two days, I haven't been able to reach it at all. That means trudging out to turn the yard lights on and off by hand. WAF is low, and I'm not happy either. Moreover, we want to add Z-wave control of the pool pump as well, which would be in the same area, but that's going to require an extensive electrical refactoring — so we need to be sure it's going to actually work! So! This is why I'm asking: How can I best extend the range out to a remote node, when there are no outlets in between? Are there dedicated "relay" modules that have bigger antennas or more power? Or is there some sort of wired relay (the wire of which I suppose I could bury in the yard)? (And sorry for the non-MySensors-specific question... but I've found this forum to be friendlier and more helpful on all topics than other Z-wave forums on the net!) What controller are you using? I successfully changed antenna in my Vera Edge wich gavel alot better range
• 

  Help make button-sketch sleep.
  • Cliff Karlsson  

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  @Cliff-Karlsson There's a good example in the MySensors lib with sleep and two switches. https://github.com/mysensors/Arduino/blob/master/libraries/MySensors/examples/BinarySwitchSleepSensor/BinarySwitchSleepSensor.ino My adaption of that one to my own need and with one swtich looked like this #include <MySensor.h> #include <SPI.h> #define SKETCH_NAME "BinSwSleepBat" #define SKETCH_VERSION "1-2" #define CHILD_ID 0 #define BUTTON_PIN 3 // Arduino Digital I/O pin for button/reed switch. On Atmega328p (nano and pro mini) D2 and/or D3 are interrupt pins. MySensor mys; MyMessage msg(CHILD_ID, V_TRIPPED); // Change to V_LIGHT if you use S_LIGHT in presentation below int sentValue=2; void setup() { mys.begin(); pinMode(BUTTON_PIN, INPUT); // Setup the buttons digitalWrite(BUTTON_PIN, HIGH); // Activate internal pull-ups mys.sendSketchInfo(SKETCH_NAME, SKETCH_VERSION); mys.present(CHILD_ID, S_DOOR); } void loop() // Loop will iterate on changes on the BUTTON_PINs { mys.sleep(50); // Short delay to allow buttons to properly settle uint8_t val = digitalRead(BUTTON_PIN); if (val != sentValue) { // If value has changed from last transmission, send the updated value mys.send(msg.set(val==HIGH ? 1 : 0)); sentValue = val; } mys.sleep(BUTTON_PIN-2, CHANGE, 0); // Sleep until something happens with the sensor }
• 

  Question: reading from gateway from Linux
  • zuru  

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  @zuru The gateway will dump info on the serial port, so you could write a script or application to parse that. The API info is here: http://www.mysensors.org/download/serial_api_15. Note that the controller also assigns node IDs so you would need to hard code them if the script or app you build does not respond to those requests. Cheers Al
• 

  This topic is deleted!
  • einaras  

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• 

  Sensor database and display
  • bkenobi  

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  I looked at your recommendations when provided, but was busy with other things so forgot to reply. I now have 3 systems of sensors reporting to the Uno (Blueline power meter reader, Acurite 5n1 weather station, Acurite 592TX temperature sensors (1 currently, but up to 3 channels))and will be adding 1 or more local sensors to it as well (barometric pressure currently, but probably temperature also at a minimum). I have all of this sending data to the RPi via MQTT and am working on optimizing the location for the Uno for best reception/least packet loss. I'm also planning on tracking UPS performance as well as RPi CPU/memory. That being said, I looked into emoncms again this morning and it appears that the data is stored on the cloud somewhere. If so, that's not ideal due to reasons I originally posted. I thought this would be the option I would utilize until I saw that. I've looked at Grafana/influxdb and they look great, but it will take more effort to figure them out. I decided against freeboard since I specificially want plots and not gauges. I considered using rrdtools, but it looks like it's only capable of storing at a single frequency and then purges anything over a certain age (maintains a certain database size and loops to overwrite the oldest data next). There's a number of tutorials/guides, but I haven't found one that's a close enough match to proceed. I have a working HA server at the moment, so I'm leery of installing too much and risk corrupting things. When I do proceed, I'll certainly back up the SD first!
• 

  Insect night!
  • sundberg84  

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  Ahh..That seems to be the "green it" everyone speaking of a few years ago.
• 

  mega 2560
  • Andy Pep  

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  cheers for that sparkman ... i was thinking of trying some sort of 433mhz sniffer to wifi serial setup..and hook up a 70cm coliner antenna to the radio with a bit of filtering and narrow the band down and see what is out there that can be used in a local (mesh) of sensors.. i turned my 70cm ham radio and tuned it down to 433.92 and there is a load of traffic out there .. how many are remote weather sensors same with 315mhz ...could be handy in mapping local climate hotspots and microclimates.....
• 

  ser2net configuration
  • JareckiB12  

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  Let me UP this thread. mb @tekka could help?
• 

  Feasibility question regarding Ethernet gateway
  • mithra  

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• 

  Problems uploading Serial Gateway on to Arduino Pro Micro
  • den2k  

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  Maybe you can post a picture or schematics showing how you are connecting the radio to arduino? You last screenshot is showing only 'failed' for any radio operation.
• 

  Best Simple Display "Controller"
  • diggs  

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  @diggs I expect the first usable snapshot builds at the end of this week. They are located at: http://builder.pidome.org/view/Snapshot builds/job/PiDome clients collection/ These clients are build to provide ease of use. Data aggregation and details will stay on the server.
• 

  Maximum number of nodes to communicate with
  • boozz  

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  @boozz glad to see you got your head around it.
• 

  Use arduino Uno as serial gateway/ sensor node
  • LastSamurai  

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  Hello, I just started off trying to make a few sensors, Just like you i only had uno's and pro mini and no nano. Read this article and thought everything would be fine, but. So i loaded up the sketch onto an uno and plugged it into my vera loaded the files but Vera Serial port configuration dosent detect anything. Any idea how to get that working?
• 

  Nano shield from Robotale
  • Tomasz Pazio  

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  I bought 5 of these from iTead a long time back.. excellent to get going quickly and for testing.! Highly recommend these! This one has been running on my desk just as a light lux sensor for months without needing any attention. IMG_20150808_135557.jpg
• 

  Updating to 1.5
  • Wackid  

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  Thanks... tried to update. But my serial is a Mega 2560. So it gives an error. Remembers me i found a topic to switch the pins and change them in the sketch.
• 

  Connect mysensors node to existing alarm system.
  • Tomasz Pazio  

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  I tapped into a newer alarm systems door sensors by measuring the voltage via the analog pins. My alarm still works, but I can also see open/closed via mysensors/openhab.
• 

  Can I use a Pro mini ATmega128 5V/16M for anything?
  • Cliff Karlsson  

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• 

  gps module on gateway for time keeping .
  • Andy Pep  

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  ok cool i understand ...and if people for what ever reason need that kind of accurcy then a simple dunio ntp gateway will do the job ..
• 

  Analog gauges on serial gateway
  • Andy Pep  

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• 

  Cooler Controller needed
  • CoolCooler  

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  @CoolCooler good luck! May the force be with you....
• 

  Queued send commands?
  • gigaguy  

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  gw.wait is ok. It keeps node awake and process incoming messages. If you sleep the node it becomes more complicated. You could send something to the controller when waking up (and keep the node awake for a short time to receive new commands). And the controller buffers outgoing commands until it receives this "woke-up-message". If you enable ack on outgoing commands from the controller (and the node is sleeping) you won't get and ack message back... which indicates the node is down or is sleeping.
• 

  Edit counter value new sensor
  • Wackid  

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• 

  Newest MySensor community member
  • Anticimex  

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  Welcome Harald! And congrats+good luck to dad/mom
• 

  Help beginner with first project
  • Cliff Karlsson  

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  Try the ones you have. Not exactly an exact science this...
• 

  MQTT: Can somebody explain Gateway to a beginner?
  • MSchmidke  

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  @TD22057 said: See here: http://forum.mysensors.org/topic/1034/mqtt-gateway-openhab-mosquitto/2 which connects mosquitto to the gateway using the bridge input. Bridging is used for connecting two brokers together (see http://mosquitto.org/man/mosquitto-conf-5.html "configuring bridges"). I think MySensor's MQTT Gateway is already a broker by itself where clients like OpenHab can connect to. However, if there is a need, you can use a bridge which forwards the messages from a remote broker(MySensor's MQTT Gateway) to a local broker(Mosquitto). Then clients could now also connect to Mosquitto.
• 

  Long range radio motion/tilt sensor advice
  • cdolan  

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  There are multiple controller options available on http://www.mysensors.org. Not sure I understand what you mean by control sensor. You only need to act on the sensor output right?
• 

  Wake up arduino only (without radio)?
  • rvendrame  

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  Using watchdog as Mysensors is good idea, but is there any other better way to archive same?
• 

  Question about the use of different lib versions
  • 5546dug  

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  Don't update if it's working.
• 

  Seamless Smart Home Interface
  • Didi  

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  @NeverDie it was about a year ago
• 

  Watchdog on Ethernet Gateway
  ethernetgateway watchdog attiny45 • • BulldogLowell  

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  @NeverDie All I can say is that after adding the watchdog I have not had a lockup in 2+ months. Before that, like you, I had random lockups. Based on this positive experience I also added a watchdog to the one repeater I have in my system. Had a brief power outage the other day and everything came back online by itself with no problems.
• 

  Multiple interrupts
  • kolaf  

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  Hello, GreyGnome here. Glad to see the library is helping you. Sorry to see you had to edit code. In the next upcoming release I will include compiler directives that allow you to comment out conflicting interrupts. Also, as someone else mentioned- don't use attachInterrupt() together with EnableInterrupt(). It just makes the code fatter, and EnableInterrupt() can already cover both interrupt types; eg on an Arduino Uno: enableInterrupt(2, myFunkyExternalInterruptFunction, LOW); enableInterrupt(10, myExcellentPinChangeInterruptFunction, CHANGE); ...note that enableInterrupt will use External interrupts on pin 2 by default. You can force it to use pin change interrupts: enableInterrupt(2 | PINCHANGEINTERRUPT, myFunkyExternalInterruptFunction, FALLING); ...in which case, "myFunkyExternalInterruptFunction" is something of a misnomer. ALSO NOTE: Pin Change Interrupts do not support the LOW state!
• 

  tinyBrd = NRF24L01 + ATtiny84
  • treb0r  

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  cheap and ready to work.... would be nice if it plays with mysensors setup...
• 

  LED toys
  • Moshe Livne  

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• 

  Solar Panel Sun Tracker
  • clippermiami  

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  @Moshe-Livne I'm using a similar calculation, was not very hard to code. A real tracker would be a challenge. Measuring where the sun really is... and checking the calculation. I tried to adjust a solar panel to the place of most light. I you don''t damp (integrate and compensate) the movement it goes in all directions when there are some clouds. Lots of fun though.
• 

  nRF24L01 + and 433MHz RF on the same Gateware
  • jesper  

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  @jesper said: the 433 Mhz sensor can range where nRF24L01 can not. What do you mean by "range"? Regarding memory, a Due would have enough memory to do both.
• 

  I would like to graph my sensors output
  vera graph • • 5546dug  

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  I'm using the free version of plot.ly to do plotting from an arduino. Here's a real-time feed, where you can see the effect of last night's irrigation on my soil moisture sensor readings: https://plot.ly/~WhiteRabbit/997 It's very similar to Xively, but I like how I can easily pan and zoom the data. That's helpful as you get a bigger dataset, like this: https://plot.ly/~WhiteRabbit/869/ Plot.ly has demo arduino code on their website you can use as a starting point. Also, I have read how some people are using mysql to collect their data and graph it. I'd like to learn how to do that too, as I think it would be a good data archiving tool, and would provide additional ways to slice and dice the data. With these solutions, you don't need to be dependent on owning or using a Vera. I'd be interested to read about what other solutions people are using.
• 

  Help!!! Binary & Relay Compilation Not Working
  • jeylites  

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  @jeylites to turn relay off automatically after two minutes (and send the updated "off status" to controller... try something like this untested code: #include <MySensor.h> #include <SPI.h> #include <Bounce2.h> #define NUMBER_OF_REEDS 3 const int relayPin = 3; const int reedPin[NUMBER_OF_REEDS] = {4, 5, 6}; int reedState[NUMBER_OF_REEDS]; Bounce debouncer[NUMBER_OF_REEDS] = Bounce(); unsigned long relayTimer; MySensor gw; MyMessage msg[NUMBER_OF_REEDS]; MyMessage relayMessage(0,V_LIGHT); void setup() { gw.begin(incomingMessage, AUTO, true); gw.sendSketchInfo("Test", "1.0a"); gw.present(0, S_LIGHT); pinMode(relayPin, OUTPUT); digitalWrite(relayPin, gw.loadState(0)); for (int i = 0; i < NUMBER_OF_REEDS; i++) { debouncer[i].attach(reedPin[i]); debouncer[i].interval(5); pinMode(reedPin[i], INPUT_PULLUP); gw.present(i, S_DOOR); gw.wait(250); } } void loop() { gw.process(); for (int i = 0; i < NUMBER_OF_REEDS; i++) { debouncer[i].update(); int value = debouncer[i].read(); if (value != reedState[i]) { gw.send(msg[i+1].set(value), false); // device number mismatch here because of the array reedState[i] = value; Serial.print("updating state for switch: "); Serial.print(reedPin[i]); Serial.print(" state: "); Serial.println(reedState[i]); } } if (millis() - relayTimer > 2 * 60 * 1000UL && digitalRead(relayPin)) // two minute timer { digitalWrite(relayPin, LOW); gw.saveState(0, false); gw.send(relayMessage.set(false), true); } } void incomingMessage(const MyMessage &message) { if (message.type == V_LIGHT) { int newState = message.getBool(); digitalWrite(relayPin, newState); gw.saveState(0, newState); if (newState) { relayTimer = millis(); } Serial.print(F("Incoming change for relay, New state: ")); Serial.println(newState); } }
• 

  Spud Gun
  • hek  

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  @hek So that's what you have been so occupied with the last days? Looks fun though..
• 

  How would I interface with Protection 1 alarm sensors?
  • JoeStrout  

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  I agree with @sparkman, swapping that out for a semi-modern DSC will allow you to easily connect it to the VERA and use the existing sensors in scenes, as alerts/alarms, etc for not a whole lot of work or $, and maintain a traditional keypad/panel, especially if you sell the house one day. The DSC stuff is pretty well documented and easy to work with, and available cheaply on Ebay and other places. It can be a bit fiddly and you will probably need a WinXX box to program it ( though it can all be done via the keypad as well )
• 

  Total noob's question about building a PWM light controller
  arduino noob z-wave • • JoeStrout  

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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!
• 

  This topic is deleted!
  • jeylites  

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• 

  Charge battery while powering arduino
  • mscott  

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  Thank you. I will try this and report back.
• 

  Ethernet Gateway - How to get sensor data?
  • elite  

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• 

  Sensor Location
  • rdevine  

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  @rickmontana83 have a look at http://zbar.sourceforge.net/ for example...
• 

  Adding DHT22 Module to a motion on nano
  @petewill • • davvvvvo  

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  You'll find plenty of multi sensors examples here on the forum.
• 

  Another famous and talented Ekblad!!!
  • BulldogLowell  

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  Well, do not share any genes with that guy. In fact, I'm a sport-analfabet. https://xkcd.com/1107/
• 

  First project controling light-sensor and "smart" lightbulbs
  • Cliff Karlsson  

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  @Cliff-Karlsson I is getting a little off-topic but the Ninja Spheres are open-source and should be able to act as a controller (i.e. gateway between Wifi/LAN and ZigBee. If you look for something out of the box than MySensors is probably not the way to go..
• 

  gw.send( ) and transmission errors
  • BulldogLowell  

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  Just my $0.02... Be careful with any while loops that could go on forever under "perfect storm" conditions. It's usually a safe bet that eventually your device will get into a state where comms will fail forever. If you're stuck in a while loop waiting for a successful send then you have no chance to detect or correct the error, and given how tricky it is to debug Arduinos you'll probably never figure out what went wrong. The device will just go silent, and a little while later the batteries will run out (because it's sitting there trying to send over and over). Do yourself a favor and put a fail-safe && retries++ < MAX_RETRIES clause on your while loop. This doesn't speak directly to your case, but in a broad sense my assumption going in to any wireless design is that packets will be dropped, so I always design with that constraint in mind, rather than trying to design a system where no drops occur. For example, you might consider adding a "resync" timer that sends the current state regardless of changes every so often. So even if something is dropped you have a bounded amount of time where things are in the wrong state. I do this with my presentations: Every 5 minutes my sensors retransmit all presentation messages just in case the controller missed the first set, or the controller reset, or whatever... Handling lossy comms is not usually too hard if you aren't trying to back-engineer that into a system that was designed with the assumption that messages would always succeed. Incidentally, this is more or less the same as "UDP" vs "TCP" networking, if you've ever worked in that realm. So strategies would overlap pretty nicely.
• 

  This topic is deleted!
  • davib francheska  

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• 

  set Metric on gw?
  • gigaguy  

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  @Tango2 I had been doing this a different way until I noticed the GW should be able to do it. BTW, It is only working on one node, not sure why :(. Anyway, my alternate solution allows be to send "settings: to the nodes. For example, change the loop time or measurement unit. This is not the complete code, just the relevant parts (hopefully). void setup() { gw.begin(incomingMessage, nodeID); } void loop() { gw.process(); } void incomingMessage(const MyMessage &message) { if (message.type == 97) { Serial.print("Recvd Time"); Serial.println(time); timeReceived=true; } if (message.type == 98) { int reqsleep = atoi( message.data ); SLEEP_TIME = reqsleep*1000; Serial.print( "Changing sleep to: " ); Serial.println( String(reqsleep) ); } if (message.type == 99) { int requnit = atoi( message.data ); Serial.print( "Changing units to: " ); if(requnit == M){ metric = true; Serial.println( "metric" ); } else { metric = false; Serial.println( "imprerial" ); } } } Using this code, I can send things from openhab, or any serial command I suppose. My openhab rules Send Units: sendCommand(Arduino, "101;99;1;0;99;M\n") Send Time: var Number time1 time1 = now().getMillis() / 1000 sendCommand(Arduino, "101;97;1;0;97;" + time1 + "\n")
• 

  This topic is deleted!
  • candylion  

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• 

  Help to get back on the road
  • russdupreez  

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• 

  How to verify that ethernet gateway is working without sensors
  • mathias  

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  WHOO Everything seems to be working now:) //Mathias
• 

  Hi everyone
  • candylion  

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• 

  Multiple gateways on one controller. Is it possible?
  • gonzalonal  

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  My setup looks like this: MQTT Client Gateway <-> mosquitto mqtt server <-> OpenHab With this setup you can have multiple MQTT Client Gateway (with different topics).
• 

  Website corrections
  • hautomate  

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  thanks for the corrections
• 

  Mysensors bootloader
  • shabba  

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  There isn't any official page for this yet as this has mostly been experimental features. We should probably set one up at some time. To send out an OTA firmware I would recommend using the MYSController which has a nice GUI for it. But you still need to compile your code and grab the hex-file to send. All this isn't exactly beginner-level stuff. Would have been nice if someone could wrap all this up and incorporate it in the Arduino IDE or something.
• 

  controlling multiple distributed relays
  • phil pritchard  

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  thanks for the help.. is there a way to send.msg directly to another node without mucking with "MyMessage". ie.. sent a msg on the fly to fire a relay on another module. i have looked through the api and don't really understand how i can send it with out upsetting the rest of the sketch. thanks again hope it makes sense. Phil
• 

  Google: Brillo and Weave
  • andriej  

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• 

  UV Sketch use pin A0 or 3?
  • edweather  

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  @edweather said: http://www.mysensors.org/build/uv The documentation on site is wrong. A0 is the correct pin. Thanks for reporting, I'll update.
• 

  MQTT Gateway + Node-Red + Vis
  • bpair  

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  Thanks - I will give it a try.
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  This topic is deleted!
  • tommyken  

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• 

  Just getting "find parent"
  • Francois  

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  Your node is sending out a broadcast message looking for parent (gateway or repeater node). No-one seems to reply to this request.
• 

  Australia might criminalise teaching of encryption
  • hek  

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  Australia is a trial stomping ground for stuff like this, The results (determined by the Aussie's tolerance for such things) seem to find it's way to other parts of the world...
• 

  valuses form mysensors to own web page.
  • pawel  

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  Don't know about the others, but openHAB has a REST API and is able to draw nice charts as a picture which you can embed in your web page.
• 

  Log Translation
  • kopite  

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  What are logs on Domoticz when you restart your node?
• 

  Battery Sensor / Voltage Monitor
  • jeylites  

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  @jeylites You may change R1 and R2 and you don't destroy (A0). An other way is to change the multiplicator (0.003363075) in the formula: float batteryV = sensorValue * 0.003363075;
• 

  Creating a Blind/Roller Shutter like Fibaro FGR221
  • marceltrapman  

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  Any practical experience with Fibaro in mysensors environment?
• 

  car sensor with android display
  • MikaelK  

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  The mySensors is focused on home-automation mostly. You always need at least one sensor, one gateway and a controller to process the data. In your scenario (car), maybe you could find an android app that communicates directly to arduino via USB, and fetches the temperature? That would be the straight forward approach I think.
• 

  Radio ID's & Child ID's on a large network General Question
  • jeylites  

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  @hek If repeater mode works regardless of which Node ID your in, than I will go with this setup. I was think for repeater to work one will need to have all Node ID on the same channel. I guess I'm wrong on that. Thanks for clearing the air.
• 

  Newbie question about DC-DC Setp-up
  • otolosa  

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  Unless you plan to move it around, soldering is probably best. Those headers/duponts tends to slip out when you least want it.
• 

  repeater and sensor in one node.
  • pawel  

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  Yes, that should do it. And yes you shouldn't use delay() or sleep the node. Instead you use timer or your own millis() checks.
• 

  Stand Alone Ethernet Gateway?
  • kayedee  

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  Vera is a router-like device running the controller part. Many open source controllers can also run on very low power hardware such as Raspberry Pi. One example is Pi Dome. So you really don't have to have a PC running 24/7.
• 

  Receive Battery percentage via MQTT on OpenHab?
  • kunall  

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  Please try this: http://forum.mysensors.org/topic/524/mqtt-client-gateway/11
• 

  noob question Humidity sketch
  • jeti  

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  Yes, I think that is the main reason.
• 

  Vera 3 upgraded To UI7
  • jribera  

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  Well i did some testing last night and even with this error everything is still working fine. I was able to add a new device etc. I guess ill upgrade the plugin just to clear the error from the new dashboard.
• 

  How to read from ATmega328P with Raspberry Pi
  • henkoegema  

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  Connected via SPI (MOSI, MISO,.....etc)
• 

  Digital Volume Control
  • mikemayers  

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  @mikemayers You could also have a look at: http://forum.mysensors.org/topic/1288/example-dimmable-led-with-rotary-encoder Where you can use a simple rotary encoder for volume input control (which also works from controller side). Then you add the MAX5486 as output device to control the actual volume to your speakers.
• 

  This topic is deleted!
  • kunall  

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• 

  State of the physical switch
  • mainali  

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  @mainali have you finished the sketch? do you mind to share?
• 

  Question concerning low voltage arduino Pro mini
  • dakky  

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  Ok, added a note over there. Will pop up next time I deploy.
• 

  Just wondering, is there any Indonesian here?
  • raditv  

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• 

  Ethernet/Serial Gateway on 3.3V?
  • andriej  

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  Okay, it's worth saying how it's going. The only problem tjhat I've (somehow) solved was 'disappearing' of the gateway under unknown circumstances. Solution? Transistor controlled by GPIO of the board (which was powering the arduino pro too). For full redundancy I'm powering Pro Mini with RAW port with 3.3V, so it's double stabilized. I've never had problems with nRF chips, but I've also put the 4.7uF between VCC and GND on radio. So, answering the question - it will work. Regards
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  Long Term Data Retention and Graphing
  • NotYetRated  

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  Thanks for the suggestions guys! I have looked at DataYours, installed it last night and have done some tinkering. It looks relatively good. My hope would be for Domoticz to offer long term storage, but I would like the alternatives in the mean time. I too do not want 100 misc. plugins clogging my Vera, however with the few I currently have, things seem to be running quite well. I'll check in to plot.ly, thanks again fellas!
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  Relay with MQTT gateway down?
  • Gutz2001  

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  Don't you have a flaw in design - what if module fails? You won't be able to turn on/off light at all...
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  Which gateway to choose Serial, Ethernet or MQTT?
  • kunall  

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  @TimO Thanks, I will try this.