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Sound-Activated and Wearable Light Organ

Sound-Activated and Wearable Light Organ

About the size of two 9V batteries, and powered by only one, our latest Weekend Project, the Light Organ, is both portable and fun! The beating heart of this project is the LM324 Integrated Circuit (IC), the black chip in the middle of the board. This legendary IC actually has four operational amplifiers (or “op-amps”) embedded in it, although for the purpose of this project, we’re only using two.

LED Art Kit

LED Art Kit

This easy-to-assemble, no-solder kit lets you create your own unique LED light show. The only tool needed is a pair of pliers for crimping the wire connectors. The RGB (red-green-blue) LEDs create a slow, ever-changing, multicolored glow thatโ€™s perfect for setting the mood of any room. Makes a great nightlight, too!

Flour-Based Flamethrower

Years ago, I posted a video of my version of the t-shirt launcher project. Recently, I retrofitted that cannon to shoot ordinary flour, which is then ignited, producing huge fire balls. The great thing about flour is that it is not flammable unless it is aerosolized, making it much safer than most other fuels. This […]

Peggy 2LE

Peggy 2LE

Peggy 2LE provides a quick, easy, powerful, and efficient way to drive a lot of big, bright LEDs โ€” up to 625 โ€” in a matrix. With it, you can make an LED sign for your window, a geeky valentine for your sweetie, one badass birthday card, the next generation of low-pixel-count video games, or […]