1. Obtain the access_token by fetching the access token;
2. Enter the obtained access_token into the Token field and click "Get Data";
3. After obtaining the “bin”, Bluetooth unlocking is required, connect the Bluetooth device, and write it to the current feature value of the Bluetooth door lock.

Bluetooth information

Broadcast: Starting with OBT，

Service: 'FFF0',

Write feature value: 'FFF1',

Read feature value: 'FFF4',