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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
Hi Robin, I think @user109470 has got the hang of the JS side of things.
Yes,
evt.datais in ArrayBuffer, so you can donew Uint8Array(evt.data)to get an array you can easily access from it.