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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.
@Hellis
So just to make sure I got it correct.
Nothing 'bad' will happen with the Espruino, but in case you have something connected that does not like higher voltage that part will/might be affected.
The reason I wonder is because I can't use the batteryconnector because it's blocked by the case.
So either I use the pins or the backside of the batteryconnector. But that looks hard to solder on. Probably nothing I should even attempt :-)
I tested using two CR 2025 (I think it was) to power the board on the pins and it worked fine.
But as they run low the voltage will drop below 5 volts, and that was my concern, that it could dammage the board.