I think the quality of the battery helped. But definitely loading the code onto the dead memory helped to avoid uploading the code every time.
@user103345 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.
I think the quality of the battery helped. But definitely loading the code onto the dead memory helped to avoid uploading the code every time.