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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.
@Wilberforce
Here is a solid state relay that can switch DC:
http://www.dx.com/p/ssr-10dd-solid-state-relay-white-silver-232097#.V1a2zm6eqrU
There are different models, with different amp loads and for ac or DC.
http://www.dx.com/s/solid+state+relay