Wow, thanks for looking. That's really odd. Never seen anything like that (corrosion?), but that sure looks like it's your problem.
I'll make sure I get a new one out to you early next week
@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.
Wow, thanks for looking. That's really odd. Never seen anything like that (corrosion?), but that sure looks like it's your problem.
I'll make sure I get a new one out to you early next week