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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
I'm afraid I think you're out of luck. You can set HC-05 to master, but it'll only ever be a bluetooth serial port (not a master for things like game controllers).
If you want to interface to them you'd have to crack them open and wire Espruino in directly.
Having said that you can use the Wii Nunchuck pretty easily (but not wirelessly). There's a library for it here: http://www.espruino.com/Wii