Tutorial in german language: https://marc.tv/raspberry-pi-temperatur-bluetooth-google-spreadsheet/
Find mac address
Poll for data
Edit poll.sh and add mac address.
Poll and write to spreadsheet
Edit pollandwrite.sh and add spreadsheet name. Don't forget to add a client_secret.json
Xiaomi MI Temperature and Humidity Sensor with BLE and LCD https://github.com/ratcashdev/mitemp
Bluetooth LowEnergy wrapper for different python backends. https://github.com/ChristianKuehnel/btlewrap