Result of my reverse engineering work on Bluetooth-based car battery monitor.
Battery Monitor 2 on Google Play
Python MQTT publisher + ESPHome template.
python bm2_mqtt.py \
--mqtt-host localhost \
--mqtt-port 1883 \
--mqtt-topic bm2 \
--bm2-addr B0:B1:xx:xx:xx:xx
If you are curious on how I did the reverse engineering process, read here.
BM2, Battery Monitor 2, com.dc.battery.monitor2, ICS Technology, Intelligent Control System