Let’s be honest. Paying electricity bills sucks. The amount paid is always too much, and the temperatures in the building are rarely set at a comfortable level. But now, with the help of this DIY ...

Good news DIYers, XBee now comes in WiFi flavors. The favorite wireless module of Arduino tinkerers everywhere is growing up and adding 802.11n to its normal compliment of RF and ZigBee options.

That said, this probably isn't the most useful place ask such questions--this forum focuses on other Computer hardware, so while what you're asking isn't against the rules here (and my welcome is ...