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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.
@Gordon
You mean the LEDs don't flash?
Have you tried just manually connecting D1 to GND and 3V and seeing if the LEDs flash then?
If so, there could be a wiring problem? Or maybe it needs
input_pullupnotinput_pulldown?