I just came accross this and thought it might be an easy way to interface Pic-haxes with Wifi and the real world.( for beginners or us dumb people). Besides having some GPIO it also has RS-232 or RS-485 or SPI
It is on my list of things to buy, probably in a couple month.
http://search.digikey.com/us/en/products/RN-121/740-1037-ND/2207391
It is on my list of things to buy, probably in a couple month.
http://search.digikey.com/us/en/products/RN-121/740-1037-ND/2207391