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💬 Secure 5-button Keyfob

openhardware.io 2 May 2017, 09:55 last edited by openhardware.io 27 Jun 2017, 09:27

https://www.openhardware.io/view/383/Secure-5-button-Keyfob
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mysensors 189 atsha204a 28 enclosure 5 keyfob 1
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NeverDie Hero Member 8 May 2017, 00:40 last edited by

I look forward to seeing photos....
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16 Aug 2018, 06:25

Hello, I want to build this project. But I don't need to power it by batteries. Has anyone the circuit diagram (in FrizIng?) I have also the problem, that I can't see, on the breadboard picture of this project where the red wire from the battery ends after the connection to the Arduino? Does it go to the FET and the R7? Can anyone help me?
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@andreas-sieber The white circle on the PCB you mean? IMO That's silkscreen indicating the touch area.
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You would use PID if you have a temperature feedback from the rooms, but in your case you are not interested so it doesn't matter much. Sure turning off pump when not needed is a good thing. I have colleague that also bought a few netatmo devices to control floor heating of some zones of his house and he is very happy.
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26 Dec 2017, 21:00

Please append support RS485
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What are the parameters of this radio, I could not get it to work. Suspicions that he had no speed 250.
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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
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@scurb This looks very interesting and my factor now to save me from having to create my own :-). I have been planning to do the same thing (although maybe on a smaller software scale) by writing a simple Python server that would pull serial packets off of a gateway arduino (either running mysensors or something I write myself) and pipe this through MQTT to openHAB. I have two questions: How do you interface with a sensor network? Do you go through a serial connection to read the serial packet format (a,b,c,d)? I see several implementations that put the mqtt client directly on the Arduino, but it seems much cheaper for me to just plug it into a USB port to get a virtual serial port instead of investing in a separate ethernet shield How does an item configurations look like for a switch in openHAB? I'm looking to build a toggle switch which toggles light on or off every time it is activated, and I cannot really understand how to configure the switch to allow this behaviour for an mqtt input. Feel free to take the second question with me directly since this might not be very interesting to the others in the forum
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@mfalkvidd Yes, that’s the one.

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