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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
It should be able to, but only if your phone has been set up specifically to advertise itself. I believe the PunchThrough app can do that - but basically you need another app running on the device to force it to transmit and be connectable.