Mobile Temp and Humidity Sensor with ESPHome

Use with a ESP8266, e.g. a D1 mini

Secrets

Create secrets.yaml and store the wifi password:

wifi_password: "XXXX"

Hardware

Sensor Pins, Front = grill 1=Vin (3.3-5V) 2=Data 3=Not used 4=GND

Connect Data to D2 and via 4,7 kOhm to Vin

Flash

sudo docker run --rm --privileged -v "${PWD}":/config --device=/dev/ttyUSB0 -it ghcr.io/esphome/esphome run mobile-sensor.yaml

HomeAssistant

Add integration "ESPHome", use IP of flashed device.

Links

https://esphome.io/guides/getting_started_command_line