Uploaded May 2023 | Updated September 2026, 18 minutes ago

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Integrating the LYWSD03MMC Bluetooth Temperature & Humidity sensor into Home Assistant.

This cheap Xiaomi Mijia sensor has a nice clear display and runs off a CR2032 coin cell battery.

Create New Bind Key: atc1441.github.io/TelinkFlasher.html
ESPHome Documentation: esphome.io/components/sensor/xiaomi_ble.html#lywsd03mmc

Aliexpress link: aliexpress.com/item/4000528071010.html

#homeassistant