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Polyphonic Drum Machine


Sebastian Tomczak’s DIY Polyphonic Drum Machine and Rhythm Looper is powered by a Teensy micrcontroller. I’ve made a simple drum machine / looper. It is for Teensy but it can be easily ported to Arduino. It has four sounds, a 16-subdivision pattern, variable sample rate and can playback all four... Read more »

An Afternoon with Cliff Stoll


Cliff Stoll is a prototypical mad scientist. His white hair juts out like it's been hit with a jolt of static electricity, and his demeanor is just as energetic. I visited thinking I'd be covering his R/C forklift, but was drawn in for an afternoon of conversation and gadgetry. Read more »