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PROJECT
167

Retro Color Organ

By Sara McCaslin

Learn how to create a music-activated LED display with a simple, low-cost circuit. This code-free project uses audio filters to sync LEDs with sound frequencies.

PROJECT
360

Build a Reaction Time Mini-game Using an Arduino

By Maker.io Staff

Compete with friends and family to see who has the fastest reaction time with this easy-to-build Arduino project!