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README.md
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ha_mqtt_binary_sensor_door.ino
ha_mqtt_binary_sensor_door.ino
 
 

README.md

MQTT Binary Sensor - Door - Home Assistant

A simple example to monitor the state of a door with a NodeMCU board (ESP8266).

Configuration

configuration.yaml :

binary_sensor:
  platform: mqtt
  name: 'Door'
  state_topic: 'CBF777/binary_sensor/door/state'
  sensor_class: opening

Schematic

Door sensor

  • Door sensor leg 1 - D1
  • Door sensor leg 2 - GND

Button

  • Switch leg 1 - VCC
  • Switch leg 2 - D2 - Resistor 10K Ohms - GND

Wi-Fi and MQTT Configuration

Steps