Under IDE settings, under communication, enable throttling - I see this sort of behavior fairly often on the official board if I don't enable throttling.
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.
Under IDE settings, under communication, enable throttling - I see this sort of behavior fairly often on the official board if I don't enable throttling.