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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
That could be difficult - it was talked about in another thread on here, but unless you have diodes across each button it can get difficult to determine which button is pressed without 'ghosting'.
But yes, I'm happy for you to submit a separate KeyPad module with extra features in it...