stpihkal
stpihkal copied to clipboard
Document the Hey! Bracelet protocol
This info is from code inspection only: untested
BLE name (up-cased): HEY! BRACELET
Tx Characteristic: 2D86686A-53DC-25B3-0C4A-F0E10C8DEE20 Rx Characteristic: 2D86686A-53DC-25B3-0C4A-F0E10C8DEE21
Unknown characteristic: EDFEC62E-9910-0BAC-5241-D8BDA6932A2F
It looks like the last written value can be read back from Tx and takes a single byte value in the range 1-255: the code loops through sending incrementing values wrapping back to 1 when the value read is 255.