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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
Are you using the latest IDE, or your own branch? And on an Espruino board? I found that v33 tends to lose characters when it's not sending characters all at once. If it sends them via a single call then it is fine.