wifitemp

Simple temperature sensor using NodeMCU board and ESP8266 lib for Arduino IDE. Ready for Homebridge integration.

Connecting

Connect DS18B20 temperature sensor VCC to NodeMCU 3V3. D4 pin on NodeMCU has internal pull-up so this can be used for DS18B20 data line. Don't forget to connect GND.

Compiling

You will need following to compile this sketch

• ESP8266 Arduino Core
• TaskScheduler library
• WiFiManager library
• OneWire library

Homebridge integration

Use homebridge-http-temperature plugin.

Sample config for this sensor:

"accessories": [
    {
        "accessory": "HttpTemperature",
        "name": "Wifitemp",
        "url": "http://192.168.1.100/temp",
        "min_temp": -25,
        "max_temp": 75,
        "update_interval": 28000
    }
]