Deviceways

Sensor

Xiaomi LYWSD03MMC

Contribute

Projects for this device

Replacement firmware

Change broadcasts, display behaviour and local automation options.

How to get started

Match the sensor’s model and hardware version, then follow its Bluetooth browser-flashing route. Some versions need the separately documented wired method.

Setup
Bluetooth browser flashing or documented wired route
You’ll need
A listed sensor version and supported browser/Bluetooth connection.
Open device guidegithub.com
Original project github.com
Setup
Follow the upstream model and hardware-version instructions; do not choose an image by chipset alone.
Replacement firmware
Partial support documented

Use supported sensors on a Zigbee network with configurable reporting and display settings.

How to get started

Select the exact sensor firmware, follow its Bluetooth-to-Zigbee or wired installation route, then pair it with a supported Zigbee coordinator.

Setup
Sensor firmware replacement + Zigbee pairing
You’ll need
A listed hardware version and compatible Zigbee coordinator; follow the starting-firmware instructions.
Get configurationgithub.com
Original project github.com
Setup
Follow the upstream model and hardware-version instructions; do not choose an image by chipset alone.
Limitations
The upstream ZBdevice firmware is described as trial firmware; review the exact model and conversion procedure.

Features & details

Check the project and hardware shown for each feature.

PVVX thermometer firmware

PVVX thermometer firmware — Source documentation (github.com)

Firmware protocol
Bluetooth

ZigbeeTLc

ZigbeeTLc — Source documentation (github.com)

Firmware protocol
Zigbee

Security

Saved scan

No device-specific advisory matched our saved CVE research.

Check security advisories for this device · CVE.org