Connect to Gateway

1. Download the Xiaomi app https://play.google.com/store/apps/details?id=com.xiaomi.smarthome
2. Create an account
3. Add the M1S Gateway in the app (hold button on M1S for 10 seconds to enter discovery mode)

Extract key

1. Folow the instuctions here: https://github.com/PiotrMachowski/Xiaomi-cloud-tokens-extractor
2. Copy the output

You should get an output something like the following