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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.
@Ollie
Hi @Gordon. No it wasn't the puck.js library -I've had no problems with that, but I haven't tried to run multiple connected devices TBH or two way comms.
I was using the Web bluetooth API directly since I know nothing about it, and wanted to familiarise myself.
@François - i've just twigged that is your page - thanks! I'm afraid I don't have much of my code left to share, I was experimenting on a saturday afternoon so nothing under version control. The fact the boilerplate worked suggests it was me - promises are a bit new to me TBH. Should I be able to replicate it I will post code.