I've got Arduino Nano connected to Wemos D1 Mini via I2C - Extra IO ProMini Extender device. Several relays are connected to Wemos D1 Mini and I can check their state (i.e: http://<ESP IP address>/control?cmd=EXTGPIO,3,0). I would like to connect a reed switch. How should I set EspEasy to send value from the reed switch to domoticz? How can I read anything from Arduino Nano via Extra Io - ProMini Extender(I2C)?
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