Yes - there's even a page on it on the Espruino website! http://www.espruino.com/RN2483
Also the other post you commented on has some info about RN2483 breakout boards: http://forum.espruino.com/conversations/277687/
@Gordon started
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.
Yes - there's even a page on it on the Espruino website! http://www.espruino.com/RN2483
Also the other post you commented on has some info about RN2483 breakout boards: http://forum.espruino.com/conversations/277687/