The Clamshell Stompbox

This is a DIY variable resistor I created as an interface for live performance-- like astomp box. I designed it as a project my audio students could build with materials we already have in the classroom. The result is a variable resistor that can be triggered with just a little pressure from hands or feet. Resistance ranges from 0 to about 18k ohms, and it's very sensitive to slight changes in pressure. (Wi ...

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