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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Nice - thanks for letting us know - I'd love to see some pictures of the organ pedals - that must be a lot of wire! Did you consider wiring them up in a grid with diodes and scanning them out? I'm not sure, but it could potentially save you a bit of wire - and shift registers :)
The XLR summer would be really cool too - It's probably something that a lot of people would find a use for. I guess potentially you could make a PCB with maybe 5 or 10 inputs on, and could design it so you could just chain as many of them together as you wanted...
@DrAzzy has already made a module for digital pots too - post on using them for a PSU here.