Custom devices (DiY) LYWSD03MMC in Home Assistant
Climate sensors · Zigbee · Xiaomi temperature & humidity sensor with custom firmware
This device is known to both Zigbee integrations: Zigbee2MQTT has a definition for it, and ZHA has a quirk that adapts it.
Facts about this device
- Brand
- Custom devices (DiY)
- Model
- LYWSD03MMC
- Device type
- Climate sensors
- Radio
- Zigbee
- Power
- Battery
- Reports itself as
- LYWSD03MMC
- Zigbee2MQTT
- Device page on zigbee2mqtt.io
Where to buy
How the device gets into Home Assistant
- official ZHA – with a Zigbee coordinator and the ZHA integration; the quirk the device needs is part of ZHA.
- add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT.
ZHA quirks for this device
Quirk included in ZHA Recommended quirk
Part of ZHA – Home Assistant uses it on its own, nothing to install.
Adds: Temperature offset Humidity offset Comfort temperature min Comfort temperature max Comfort humidity min Comfort humidity max Display enabled Show smiley
Source:
zha-device-handlers · since zha-quirks 2.2.2
Signature: Xiaomi / LYWSD03MMC
Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.