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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.
@user108091
I also have an amica board with cp2102. And same problem. But I found a solution.
When connecting, you need to hold down the flash button. (press before connection and release after)
After that, the connection is normal and the board works as usual.
The boards also work in the arduino port monitor without pressing a button.