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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.
@RandallSY
Thank you! This kind of timely support is exactly why I own ever single piece of hardware you make...
Works perfectly, and sounds great as well. Espruino really has command of the Micro:Bit's speaker, and this example is a good into to Espruino's (JS) "eventing system". I have an entirely new respect of/for setInterval.