I'm building a box with lighted pushbutton switches (momentary-SPST N.O. with LED) that sends keystrokes defined in the sketch to software running on a PC. I've built a working prototype using the Leonardo. Works great! But I need about 14 buttons and the Leo only has 14 outputs. Each button require…

"Hotkey" box with Leonardo--need more pins!

Robin2 October 1, 2017, 7:51pm 4

You can use the analog pins as normal digital pins.

...R