Taste The Code on MSN

Using multiple buttons on one Arduino pin with simple pin-saving technique

In this video I'm showing how you can conserve pins on Arduino projects where you can read the input of multiple push buttons with a single Arduino pin. #arduino #multiplebuttons #arduinotipsntricks ...
Hackaday

Dual Core Arduino For More Pins

There are easy ways of getting more I/O pins for any project; shift registers, I2C expanders, or ADCs will give you plenty of pins for whatever project you have in mind. All these require extra ...