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hek Admin last edited by

http://beta.slashdot.org/submission/3745895/building-your-own-wireless-sensors
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jendrush last edited by @hek

@hek Done:)
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daulagari Hero Member last edited by

Also done, but just wondering, what if there are "enough" vote, how much are needed for that and is there any way to see how far we are
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@edoardoo There is an little "eye"-button in to top bar of first message in each thread. Press it to get notified when a new message is posted.
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thank you .... and a happy new year to MySensors users
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@nekitoss I used 3.3V pro mini with regulator removed and powered by Vin pin. Also removed leds from the pro mini. I used minicore bootloader. I used the small pir sensors and again removed the regulator to power directly from the pro mini outputs. After that sleep the node and trigger on interrupt. Send battery level once a day. Use inbuilt battery level monitor and not external components that constantly drain power to get battery level. 1.8V is 0% on the graph (not visible yet!) but I have had nodes working below 1.7V It's a matter of luck with that it seems. Hope this helps you on the right track. I'll try and help if you want. This is the latest image and still going strong after 18 months. Voltage is at 2.903V Here is photo of the test example - I need to make a case and produce more of them over winter..... Here is the same build/code of a window sensor. Similar time frame but hardly triggered.....
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I deployed 5 sensebender nodes just after release in 2015, all with 2 AA batteries from ikea.1 died within a couple of years, because it was placed outdoors. But the rest kept going, and all have been going until this year. So 8 years of battery time on one set of batteries.. I think that is excellent battery life..
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I saw this page and thought I give it a go. So I bought two OrangePi Zero 2. There's a lot of potential (WiFi) as a dedicated gateway. Currently the price is about US$20 on AliExpress (caveat emptor) There are a few flavors of Linux for it. I've dabbled with Armbian, Ubuntu and Debian Another upside is that it doesn't draw a lot of current ~0.5A, though I haven't been successful in getting the radio to run (the reason for me being here) This is also a downside as I suspect the power supply needs to be very close to 5V. Thinking it was a power hog like the RPi, I used a 5V-3A supply. This supply operates on the principle that the load will pull down the voltage. There are dire warnings on the orangepi page about using cheap SD cards, but failed to mention that power supplies have to be matched, too. It has a different CPU than the Orange Pi Zero non-2, the board that is used here. Use the serial interface to configure the board. You're going to be doing all your configuration in a terminal, anyway, so you don't need a monitor or a keyboard. https://www.instructables.com/Setup-Orange-Pi-Using-Serial-Port/ The big downside is that the SPI interface is not supported. My research indicates that in order to get it to work one must jump through some serious hoops and being low on the learning curve, those hoops are probably out of my reach. https://forum.armbian.com/topic/21688-tips-on-configuring-double-spi-through-two-chipselects-on-orange-pi-zero-2/ The armbian OS has another big downside, WiFi is not supported. Putting a TP-Link nano router configured as a client works, but it's another $30! Why did they even release the OS? So! Was anyone successful in getting the Orange Pi Zero 2 configured as a gateway?
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... compiled: Jan 27 202312:42:11 01/27/2023 12:42:11 RTC lost confidence in the DateTime! RTC is the same as compile time! (not expected but all is fine) 01/27/2023 12:42:11 19.25C 01/27/2023 12:42:14 19.25C -------- power loss ----- RTC communications error = 4 01/01/2000 00:00:00 0.00C RTC communications error = 5 01/01/2000 00:00:00 0.00C.. ------------- return power supply +5v ---- RTC lost confidence in the DateTime! 01/01/2000 00:00:12 19.50C RTC lost confidence in the DateTime! 01/01/2000 00:00:15 19.50C ... https://forum.arduino.cc/t/librairie-makuna-freez/1081415/34

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