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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
Have you tried the steps here? http://www.espruino.com/Troubleshooting
Try the first step and see if you can get a pulsing blue LED.
It's entirely likely that it's just the micro USB cable you're using now. Perhaps you could try another. So many people have had problems with theirs that I've lost count!