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Make: Projects

Circuit Skills: Surface Mount Devices

Collin shows us how to make a surface mount phototheremin.

Circuit Skills: Surface Mount Devices

This project by Collin uses a familiar schematic — the light-sensitive oscillator (aka “phototheremin”) as originally described in Forrest Mims’ book Timer, Op Amp and Optoelectronic Circuits & Projects. Once he got the hang of securing each part in place for soldering, the rest of the process was more or less straightforward, and the circuit worked the first time he tested it.

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