han-mqtt-adapter/README.md

317 B

Han Mqtt Adapter

Han port pinout (RJ11):

  1. 5V
  2. Data request (connect to 5V to enable)
  3. GND
  4. NC
  5. DATA (TX 115200 inverted open drain)
  6. GND

Add pullup resistor between Pico RX pin and 3V3

front back mounted