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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
You could check
E.getErrorFlags()to see if Espruino thought it had trouble.It could be ST's side, but it's always been the case that if you send
123[enter]then Espruino has to echo back123, then line feed, then=123. If you just did that over and over as fast as you could then because Espruino is sending more than it is receiving, it'll run out of buffer space.echo(0)should basically fix that, but if you paste data in then there may be a similar problem.