Xiaomi seems to have a newer type of BLE temperature sensor, that is very cheap. I purchased a bundle of 4 for less than €13 at a well-known Chinese webstore. It is quite a bit more compact than the original one and works from a coin cell battery. Unfortunately it does not seem to work at this moment with the mitemp_bt integration. It makes itself known by “LYSWSD03MMC” which is different than “MJ-HT-V1” and for me already an indicator of trouble. I added its MAC address to the configuration ya
Xiaomi Miija (Temperature and Humidity) - Apps - Homey Community Forum
Xiaomi Mijia Bluetooth Temperature Humidity Monitor Sensor White
Smart linkage with air conditioning/ smart heater/humidity and more Mijia smart devices. Wireless Connection: BT 4.2 BLE. Humidity range: 0%- 99%RH.
2PCS Xiaomi Mijia Smart Thermometer Hygrometer 2 BT Temperature Humidity Sensor
mi-temperature-and-humidity-monitor-2 - Mi Brazil
Built-in advanced Sensirion temperature and humidity sensor, temperature accuracy: 0.1 degrees, humidity accuracy: 0.1 percent RH. High sensitivity
1/4 Pcs Xiaomi Mijia LCD Bluetooth Thermometer Temperature Humidity Monitor Home
measuring equipment – Wan Hung Lo Electronics
Xiaomi Mijia BLE Sensors — ESPHome
ESP32 as BLE Gateway for Xiaomi Mijia BLE Temperature & Humidity Sensor
Xiaomi Mijia Thermometer Temperature Humidity Sensor LCD Screen Meter
XIAOMI Mijia LYWSD03MMC Bluetooth 4.2 Thermometer Hygrometer Second Generation Wholesale
Bracket for Xiaomi Mijia Bluetooth Thermometer Hygrometer and also for cheap noname Thermometer Hygrometer by Frantisek23, Download free STL model
Xiaomi Mijia Bluetooth Temperature Humidity Sensor - David Yin's Blog
Buy Xiaomi Mijia Bluetooth Thermometer Hygrometer 2 Wireless Temperature Humidity Sensor Monitor Mi APP Smart Remote Control Home at Aliexpress for .
Xiaomi Mijia Bluetooth Thermometer Hygrometer 2 Wireless Temperature Humidity Sensor Monitor Mi APP Smart Remote Control Home