You are reading a single comment by @alexanderbrevig and its replies.
Click here to read the full conversation.
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.
@alexanderbrevig
You're correct. Short it to GND while powering on will enter programming mode. The first time I tried to upload code to it I also had issues, it turned out to be the same as @DrAzzy, basically a power brownout. I have not measured the peak while programming but that may be interesting to do.