Introduction - If you have any usage issues, please Google them yourself
With the voltage changes that have 0 and 1. Provides that each code element transitions occurring in the middle. High to low transition that 0, low to high transition is expressed as 1, that is, 01, said with 0, with 10 indicating that a . yuan middle of each code transition should occur, the receiver can be extracted from this change as a sync signal to the receiver' s clock and send the device' s clock consistency.