• Does anyone have any recomendations for Bluetooth (LE) libraries?

    This might help: https://www.espruino.com/Interfacing

    However trying to emulate a Bangle first (if you're doing connections) might end up sucking up a bunch of time. If you want to debug a Bluetooth LE UART connection I'd suggest getting another Espruino device that you can connect a non-bluetooth UART to - then you can connect over serial and see what's happening on Bluetooth.

    Official MDBT42 and Pixl.js boards are easy to add a USB-TTL converter to but don't work out of the box, or the cheapest/easiest option is to just get a micro:bit 2, which there are Espruino builds for


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