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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
Hmm, that is strange. If
E.getErrorFlags()is returning an empty array then it could well be either the Nucleo's interface itself or the computer. I did find that the Web IDE has issues when terminal apps like Minicom didn't. I wonder whether their Serial implementation chucks away data if it hasn't been able to send it for a while?