Xiaomi's Bluetooth Thermometers: affordable, sleek, and hackable?
Three of Xiaomi's Bluetooth thermometers and hygrometers can be hacked and flashed with custom firmware.
Xiaomi Mijia Bluetooth Thermo-Hygrometer 2 (LYWSD03MMC)
The Xiaomi Mijia Bluetooth Thermo-Hygrometer 2 (LYWSD03MMC) is a compact device equipped with a 1.5-inch LCD that allows clear data reading at various brightness levels and angles. It boasts high sensitivity and accuracy, capable of detecting subtle changes in temperature and humidity. The device is powered by a built-in button battery, characterised by ultra-low power consumption, enabling a single battery to last for an entire year. Furthermore, it integrates an advanced temperature and humidity sensor, offering a temperature accuracy of 0.1 degree and a humidity accuracy of 0.1%RH.
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