n
Example :
Read the status of the soft edge of a projector with address
\x01. Suppose the soft edge is turned on.
Transmit
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (answer)
Start
Projector address
Command[0]
Command[1]
Data[0]
Checksum
Stop
\xfe
\x01
\x21
\x82
\xa4
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
\xfe
\x01
\x21
\x82
\x01
\xa5
\xff
441