Hi, I’m in the middle of a little project and have a question I’m not able to find the answer for. hopefully someone can help me with this. I have paired a PIR sensor to a D1 mini, powerd by the internals of an unused usb charger. the combination of the PIR, D1 mini and power supply are mounted i…

update: I ended up using an optocoupler on the S1/S2 connection. with this approach there is no need to cut the GPIO27 trace. only 2 wires need to be soldered for the 5V to the PIR sensor, and two wires externally (connected to S1 en S2) to the optocouplers ‘output’ pins. (I used a 817C) the opt…

D1 mini and Sonoff Mini R4

Hardware

ferbulous (Shaq) February 4, 2024, 1:48pm 4

You could look into using espnow with this