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Feather M0 RFM69 433MHz

zboblamont last edited by

Would any users of these devices be able to advise whether the power transition between USB and Lipo is per a UPS ?

I'd looked at these initially but decided on 328 devices which at that time I knew worked with MySensors.
Only 4 remaining pins available on the 328 was one limit, the other was power transition - From USB to battery no problem, but restoration of USB power caused a reboot - In reality only a problem for one Node on dual power sending in water meter readings.
Having now damaged two of the 328s (don't ask), now looking for replacements with a little more capability (multiple interrupts + extra pins), so looking again at the Feather M0.

Thanks in advance
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I am new in this forum and I have a question regarding mysensors and iobroker. I did not work with mysensors up to now. Since some weeks I use iobroker installed on a raspberrypi. Now I want to integrate my 433 Mhz doorbell in iobroker. I know, that there is an adapter for mysensors in iobroker. My question is: Is it possible to get a notification in iobroker if someone is pressing the button on my doorbell? As I understood, I have to connect the receiver to an arduino nano and connect the arduino to my rasberrypi on which iobroker is running.
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@Tmaster Never assume the original PCB was just a circuit of components, the PCB can incorporate RF shields and antenna radio ground planes...
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Great! I'm glad it works and thank you very much for reporting back!
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@eiten I haven't yet made any progress on finding a good VOC sensor, but along the way I did find out something interesting regarding CO2: namely, if you sleep with your bedroom door closed at night, then the odds are good that the CO2 levels rise to surprisingly high and unhealthy levels. The better CO2 sensors are factory calibrated and never again need recalibration for the life of the sensor (usually around 10 years or so), because they are used in HVAC systems to control fresh air intake to guarantee indoor air quality. As a for instance, here is one such CO2 sensor: https://www.digikey.com/en/products/detail/senseair/006-0-0008/15790694 At around $50 for just the sensor element itself, it's not exactly cheap, but then again, I'd say it's worth it, because who wants to be burdened by remembering to calibrate their CO2 sensors? Ideally, I'd like to find a sensitive VOC sensor that also will never require calibration. Nearly all, and maybe all, of the off-the-shelf IAQ montoring stuff that you might buy for, say, $300 or less seems to require periodic calibration. For that reason, this might be one of those occasions where build is rather than buy.

Feather M0 RFM69 433MHz

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Feather M0 RFM69 433MHz

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