The 'B' prefix is Arduino specific. If you want to use it, it must be followed by eight binary digits.
Did you read the link I posted. It explains the way the command and channel are merged to a single byte.
The 'B' prefix is Arduino specific. If you want to use it, it must be followed by eight binary digits.
Did you read the link I posted. It explains the way the command and channel are merged to a single byte.