How to get an Arduino network/wireless conectivitly cheaper

If you are looking at the arduino ethernet shields, or even the wireless ones, you are going to fork out some big bucks (well OK $50…but that is alot for embedded).  So, put your old router to work and use that instead.

http://dangerousprototypes.com/2012/12/12/62734/

Or want to take your arduino ethernet shield and get wireless, try this

http://dangerousprototypes.com/2012/12/11/how-to-give-your-arduino-ethernet-shield-wireless-capability/