I would like to share what I think is a very slick programming technique that both the Arduino development team as well as Arduino users may well be interested in -- Achieving very high performance pin I/O. Fortunately, this issue is not new and searches in the Forum has turned up quite a few hit…

Super High Performance Pin I/O Technique

bobo1234 April 3, 2014, 5:30am 11

Crossroads,

Toggling an output bit takes just 2 bytes with sbi instruction