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PROJECT
679

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
48

Half Hour Hacks 1: The Resistor LED

By Pimoroni

Half hour hacks are, as you might have guessed, hacks that take around half an hour. They aim to make your electronics tinkering experience either more fun or more convenient.

Getting Started with Input Output Devices on Arduino
TUTORIAL
2.306

Getting Started with Input/Output Devices on Arduino

By Maker.io Staff

This how-to article covers the basics of connecting simple physical input/output components to an Arduino.