I could make it work by adding a 2nd of the same battery, one for the PCB and one for the MCU, but I don't have a 2nd charging circuit.
@CriscoCrusader 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 could make it work by adding a 2nd of the same battery, one for the PCB and one for the MCU, but I don't have a 2nd charging circuit.