Xiaomi
Xiaomi Mijia Bluetooth thermometer with custom firmware
Sensors · Security
WorksLocal
2 reports: 2 say it works.
Reported with 1 integration: ESPHome.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| ESPHome | Works Local | ATC custom firmware and ESP32 bridge; about 5 euro each (2 users)Saved copyXiaomi mijia Thermometer Hygrometer with an esp32. Each for less than about 5 Euro. I have four of them all flashed with custom firmware. Three inside, one outside, and one esp32 acting as the bluetooth wifi bridge. Been meaning to grab some more. Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23. | Reddit comment · 2022-07 | |
| ESPHome | Works Local | Used in fridge via ESP32 Bluetooth proxy; alerts via Node-REDSaved copyI’m using a Xiaomi Mijia bluetooth thermometer with custom firmware in our fridge. I’ve got a nearby ESP32 that provides the bluetooth interface. Using the standard HA ESPHome integration. I use a Node red automation to send me push notifications it the temperature goes to 50F or above for 5 minutes. Generally it means that someone left the door open, or it bounced open. The downside of any battery powered solution is that the cold will reduce battery life. I replaced the factory provided battery after about a year. Don’t know if my store bought batteries will do better than that. But a once … Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23. | Reddit comment · 2023-07 |
Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.
In ReReHome
Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.
Identifiers
| Brand | Xiaomi |
|---|---|
| Model | Mijia |
| Category | Sensors |
Also reported as
- Xiaomi Mijia thermometer hygrometer