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Check out the Doomsday Sound Kit from the Maker Shed. It’s a really cool sound generator based on circuit bending a toy. It’s easy to build and a lot of fun to play. I haven’t made a video yet, but there is one posted in the Maker Shed.

A noise generator that operates entirely on body resistance. The main circuit board is a left over from a Doomsday Novelty Device which beeps for 5 seconds when a button is pressed. At the heart of a circuit is a Motorola MC14001 U Quad Gate, basically a 4 oscillator circuit to tweak. Various spots on the board have been found to cause nice variations in the resulting sound that the circuit was originally intended to produce. The kit can fit into a very small housing, such as a VHS case, or a Kid’s Lunchbox. The included touch contacts create a rugged interface with the board for interesting and expressive sound generation.

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The kit comes with everything you need, except a case to house all the components. I used an old plastic case that was headed for the trash. Now it’s a really cool instrument.

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More about the Doomsday Sound Kit in the Maker Shed