Proving how extensible our projects are, Weekend Projects reader Steven wrote in with his Light Theremin mod, which is quickly becoming one of our more popular projects for those beginning to learn electronics. As documented on his blog, he built several versions of the theremin, starting with a breadboard version to introduce himself to some of the components. And my favorite addition to the circuit is the 10k ohm potentiometer (#2 in the image above) for increased variance of sound output. Simple yet effective. Thanks for sending us your story, Steven!

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