The two parts are separated with some foam carpet pad, with a tactile push button ... just fine using button mapping, but recently [Dossier] made the switch to using an Arduino Leonardo.

and Arduino are ubiquitous in projects these days and a lot of the time it’s easy to over-complicate things with their use. In this case, [Tod] wanted to use a momentary tactile switch to turn ...

The code (Arduino sketch) allows push button increment of the counter from 0 to 9 ... In case of any doubt refer this table. Push Switch (S1) input point is at pin 9 of the Arduino. Connecting the ...