I am using Battery 18650, 3.7V 3600maAH , so it's not power problem.
@user97438 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 am using Battery 18650, 3.7V 3600maAH , so it's not power problem.