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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.
@user80719
My pico board works fine from the USB, but if i put 9v on BAT_IN and ground GND i get nothing (tested running a simple flash LED1 routine).
voltage on the 3.3 pin is only 0.06v when powering from BAT_IN.
Am i doing something wrong or do i have a poorly pico?