Thanks - that is really helpful. It looks to me like somehow the bootloader has been corrupted - I have no idea how!
Luckily there should be an easy fix for that - I'll update properly in an hour
@Gordon started
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.
Thanks - that is really helpful. It looks to me like somehow the bootloader has been corrupted - I have no idea how!
Luckily there should be an easy fix for that - I'll update properly in an hour