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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
Hmm, I wonder whether something like https://www.ebay.co.uk/itm/202275372451 is available as a 2x2 block.
Other option (although still tactile) is to use a little joystick switch?