Flashing LYWSD03MMC temperature and humidity sensor
Xiaomi LYWSD03MMC sensors are ideal for monitoring temperature and humidity levels in your home. They are affordable and dependable. To connect them to Home Assistant, I opted to flash them with a custom firmware available in the project linked below:
Project: ATC_MiThermometer
To summarize the process:
- Visit this link
- Connect the device
- Activate it
- Flash the custom firmware: ATC_v47.bin
- Begin the flashing process
- After flashing, reconnect to the device (may require some waiting time) and set a new name
For additional guidance, check out this helpful thread: Home Assistant Xiaomi Mijia LYWSD03MMC Temperature and Humidity Sensor Tutorial