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

1 post Updated Jun 10, 2026
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Small classroom robot using sensors to follow a path and avoid an obstacle while students observe
beginner roboticsHow Robots Use Sensors to Make Decisions

Learn how robots use sensors to detect light, distance, and contact, then make simple decisions students can see in real classroom builds.

Jun 10, 2026· 5 min read