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Teaching notes, project walkthroughs, and hands-on electronics guides from Gary and the Mr Circuit team.

1 post Updated Jul 4, 2026
Robot input demo with a push button sensor wired to a controller and an LED showing the response state
beginner roboticsHow Switches Become Robot Inputs

Learn how buttons, bumpers, and limit switches become robot inputs by changing a digital signal the controller can read and react to.

Jul 4, 2026· 5 min read