Xiaomi LYWSD03MMC Compatibility
Temperature And Humidity Sensor with LCD · sensor Zigbee
The Xiaomi LYWSD03MMC (Temperature And Humidity Sensor with LCD) is a Zigbee sensor from Xiaomi. It monitors your home and reports back to your hub — useful for automations that react to motion, contact, temperature, humidity, leaks or air quality. It's confirmed working across 3 platforms, including ZHA (Home Assistant), Zigbee2MQTT, Zigbee2Tasmota. Because it speaks standard Zigbee, the Xiaomi LYWSD03MMC pairs with any Zigbee coordinator once it's joined to one of the supported bridges above.
Compatibility at a glance
Xiaomi LYWSD03MMC is a Zigbee sensor from Xiaomi. It is compatible with: ZHA (Home Assistant), Zigbee2MQTT, Zigbee2Tasmota.
| ZHA (Home Assistant) | ✓ Supported |
| Zigbee2MQTT | ✓ Supported |
| deCONZ | ✗ Not supported |
| Zigbee2Tasmota | ✓ Supported |
| ioBroker | ✗ Not supported |
| Zigbee for Domoticz | ✗ Not supported |
| iHost | ✗ Not supported |
Where to buy the Xiaomi LYWSD03MMC
The Xiaomi LYWSD03MMC is widely available on Amazon in the US, UK, Canada and across Europe. Prices and stock vary by region — the link below opens results for your local Amazon store.
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Recommended Zigbee coordinators
The Xiaomi LYWSD03MMC needs a Zigbee coordinator (USB stick) to join your network. These are the ones we'd buy:
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Frequently asked questions
Does the Xiaomi LYWSD03MMC work with Home Assistant?
Yes. The Xiaomi LYWSD03MMC is supported in Home Assistant — natively through the ZHA integration. It also works through Zigbee2MQTT.
Is the Xiaomi LYWSD03MMC compatible with Zigbee2MQTT?
Yes, the Xiaomi LYWSD03MMC is supported by Zigbee2MQTT.
What Zigbee hub do I need for the Xiaomi LYWSD03MMC?
Any Zigbee coordinator paired with one of the supported bridges (ZHA (Home Assistant), Zigbee2MQTT, Zigbee2Tasmota) will let you use this device. A SONOFF Zigbee dongle or a ConBee II are common choices.