Channel

Hari Wiguna

1 recommended video. Channel on YouTube

1. 

   1 HariFun #143 - How to read a 4x4 keypad using just one Arduino pin!

   Hari Wiguna 3 people · 3 months · since Oct 2016

   Shared as a clever trick for reading a sixteen-button keypad through a single analog pin, helpful when a project is short of microcontroller pins.