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RGB-LED by PiccoloNamek (CC-BY-SA)

Blinking LED

A good project to get started - learn how to turn on or blink a single LED.

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Pokemon Jeopardy by eggstree (CC-BY-NC-ND)

Homemade Jeopardy

Use buttons and multiple LEDs to build your own Jeopardy interface.

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Tealights Stacked by Ftc08 (CC-BY)

Dim the Lights

Use analog components to create a smart lamp that only turns on when it gets dark outside.

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Gaitas by cralize (CC-BY-SA)

Electronic Harmonica

Control the pitch of a speaker by using a slide potentiometer.

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Burglar Alarm by takomabibelot (CC-BY)

Motion Detector

Detect intruders with a photoresistor and warn them off with an obnoxious alarm.

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Piano Keys by Truis (CC-BY)

Keyboard

Play your own simple melodies on a light-up keyboard.

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