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Coil Driver

Coil Driver

If you like high-voltage sparks arcing through the air (and who doesnโ€™t?), check out the Coil Driver, which drives an automotive ignition coil at audio frequencies. Like other musical kits, the Coil Driver makes a great group build because you can all make cool sounds together when youโ€™re done. However, while itโ€™s an easy solder, […]

Digital Dominos

Digital Dominos

These Digital Dominos work just like regular dominosย knocking each other down, only virtually. Each domino-sized PCB has a button that triggers an LED to blink (which corresponds to the domino โ€œfallingโ€). An IR sensor onย one end and an IR LED on the other allow each dominoย to trigger any adjacent domino to blink, and so on. […]

Nebulophone

Nebulophone

Another small synth from Bleep Labs, the Nebulophone is more robust than the Pico Paso. It packs three potentiometer knobs, two buttons, an LED/light sensor combo that serves as an analog low-pass filter, and a unique piano-like series of pads on the PCB that you can control with an alligator clip. It has a programmable […]

Pico Paso

Pico Paso

This tiny, handheld synth features two light sensors, two pots, and two buttons. Itโ€™s an easy build, even for newbies, soldering together very quickly with no difficult steps. I love how snug the little guy is, but this compactness comes at a price: no enclosure and no speaker. To hear the Pico Paso, youโ€™ll need […]