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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
Hi,
That's strange - could be the new USB drivers from ST. I've got to look at USB again anyway now though.
Can't you just use the other USB port (the one you use to flash it?). If this fails then it's a problem with your PC, as the chip that provides USB for that is completely separate.