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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.
ccchan
@fanoush
I use original charging cable that came with it plugged into my cable that has usb female on one side - cut from some generic usb extension cable I had - something like visible here https://github.com/fanoush/ds-d6/blob/master/photos/dfu-serial-updating.jpg here it is for serial but bangle has SWD on usb data pins. Have no photo for now but can make one with bangle 2 and stlink.