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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.
@DrAzzy
I've got a few MTCH101 easy touch and proximity sensor boards for sale on Tindie now:
https://www.tindie.com/products/DrAzzy/easy-touchproximity-sensor/
Open drain output, adjustable sensitivity, with internal pullup, so you can use it as a standalone switch, or as an input to an Espruino. Operates from 2-5v.