For those who has not sent this on gitter, here is a blog that talks about the insides...
http://tech.scargill.net/itead-slampher-and-sonoff/
The relay is on gpio12.
Also on dx.com http://www.dx.com/p/diy-smart-wi-fi-wireless-switch-w-abs-shell-case-for-home-white-422387#.V1lWlcqeqrV
@Wilberforce 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.
For those who has not sent this on gitter, here is a blog that talks about the insides...
http://tech.scargill.net/itead-slampher-and-sonoff/
The relay is on gpio12.
Also on dx.com
http://www.dx.com/p/diy-smart-wi-fi-wireless-switch-w-abs-shell-case-for-home-white-422387#.V1lWlcqeqrV