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  • Hi,

    Argh, sorry to hear that - it sounds like at some point GND and 5V have got shorted out (maybe those 3 0.05" pins that connect to the board?). It's worth checking they're not still shorted...

    It's not the end of the world - it's almost certainly meant that the diode on the Pico that transfers USB power to it has blown up. It's the black 2 legged device with S4 written on it nearest the USB connector. It might even look a bit misshapen/singed.

    To test, you could do one of:

    • apply 5v to the Gnd and 5v wires on Espruino
    • solder a JST battery connector onto the underside and use that
    • short out the diode
    • replace the diode - let me know if you want to do that and I'll dig out the part number

    .. then plug it into USB and it should start working again.

    Hope that helps!

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