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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.
@allObjects
Find another ground, for exaple antenna or a polarized capacitor on the neg side and measure against the ground (-) of the battery and cell pins and you should get an instant 0 ohm and it will stay 0. So much for figuring out the ground (-) pins.