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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.
@Owen
I have a cheap DIY oscilloscope. Would that do the job? https://www.aliexpress.com/item/1005002761916872.html
This is a bit beyond me. If you can tell me how to set it up and what to look for I'll give it a go.