We use discord: https://discord.gg/mBc3vUa
http://www.martyncurrey.com/hm-10-bluetooth-4ble-modules/#HM-10_Services_and_Characteristics
- To restart the BLE module:
AT+RESTART
- AT commands reference https://seeeddoc.github.io/Bluetooth_Shield_V2.0/res/Bluetooth_en.pdf