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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
I do have one (Apple?) USB extension cable with a shitty non-standard socket that scratches away the silkscreen from the back of a Pico. See the image below:
If it's like that, it would have shorted a USB data pin to GND, which would cause your problems.
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