Well, you said you were using the power supply it came with right? And that you had it hooked up to power the uC - and if it was an AC supply, and you had it hooked up to a microcontroller board, you would know, because the board would be emitting smoke and no longer responding to attempts at programming it
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.
Well, you said you were using the power supply it came with right? And that you had it hooked up to power the uC - and if it was an AC supply, and you had it hooked up to a microcontroller board, you would know, because the board would be emitting smoke and no longer responding to attempts at programming it