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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
Ahh - what I meant is you have a second Puck.js in your gateway. An ESP8266 board like this one already has a regulator, so it's just a matter of soldering 4 wires to a Puck and you're sorted: http://www.ebay.co.uk/itm/ESP8266-ESP-12F-WiFi-Module-on-IoTBear-Adapter-Board-V2-2-with-Voltage-Regulator-/172674450571
However, a Raspberry Pi W is $10 (plus a card) and does what you need, as well as providing stuff like SSH access and being available in a fancy box. Apart from being a simpler/easier to program, a fully-loaded Espruino board is a hard sell at 3 times the price :(