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💬 MySensors compact (junction box) relay

openhardware.io 3 Feb 2020, 19:01 last edited by

https://www.openhardware.io/view/758/MySensors-compact-junction-box-relay
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@Nca78 Well, for small potted plants, you might have to re-pot the plant. However, the nice benefit that would arise is: no visible sensors, which carries with it very high WAF.
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@Roland-Wijnen Hi! Were you able to compile the available files? I tried, but there has been a lot of error!
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I'll update the PDF once I get to my own computer (which should be Sunday evening)
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@yveaux said in Ikea Molgan Hack: @magpern the instructions on openhardware.io state that the Molgan must be battery powered while programming: Well, then I can confirm that you don't have to power the Molgan from batteries just for programming. Burning the bootloader works fine with just power from the ISP port and programming it through FTDI works fine if power comes from the FTDI. What I found wierd is that the atmega328 had power, the radio had power, it wrote debug messages to the FTDI - when powered through the FTDI, it send radio messages etc, but it just did not receive messages. Messages where not received until I supplied power to the + / - pads (battery pads). I did read the instructions on openhardware.io, but I didn't follow then to the t.
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@Sunseeker According to the Connecting the Radio page, D2 is the default pin for the CE signal for the NRF24. If you'd like to use this pin for I2C, you can free it up by assigning a different pin for the CE signal by adding this line to your sketch: #define MY_RF24_CE_PIN pin IIRC, all available pins should work for this purpose (D0, D3, D4). Just pick one and if it doesn't work, use one of the other pins. Please make sure to add that line before #include <MySensors.h>.
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@WiktorDIY The ch340 are notorious for being broken. The best I ever achieved was 19200 and flakey.. I purchased a real Nano not a ch knock off eg uses a different uart no problems
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💬 MySensors compact (junction box) relay

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Office plant monitor
OpenHardware.io • mysensors humidity plant • 29 Jul 2016, 19:56 • openhardware.io 16 Jul 2017, 11:24

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OpenHardware.io • mysensors gateway esp8266 contest2017 • 6 Mar 2017, 20:56 • openhardware.io 23 Jan 2021, 18:11

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OpenHardware.io • mysensors motion pir hack ikea molgan • 9 Nov 2016, 19:58 • openhardware.io 2 Aug 2019, 08:34

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Hardware • mysensors • 24 Sept 2021, 13:32 • Sunseeker 25 Sept 2021, 06:26

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Domoticz • mysensors • 4 Jul 2021, 21:03 • WiktorDIY 12 Jul 2021, 01:11

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OpenHardware.io • arduino relay output separated • 5 Jun 2019, 19:24 • openhardware.io 5 Jun 2019, 19:24

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