1 How to Control a Ton of Inputs using Shift Registers!
Explains how a shift register can scan many buttons or inputs from a handful of Arduino pins, sometimes linked alongside the same creator's output video.
Topic
button matrix
2 videos. Ranked by independent recommendations, not by views.
2 EEVblog #505 - IR Learning Remote Control Hack
Dave Jones works through a remote control hack, covering IR carrier signalling and how button matrices work, recommended before building your own IR project.
