ARM TechCon Hands on Lab 11/1 web socket LCD text message display app.
This app builds on the Sprint cookbook and content Chris Styles and Qi Chen presented today at ARM TechCon 2012. It has an accompanying iOS application that uses Web Sockets to send text entered by the user to the mbed LPC1768. The required hardware includes the mbed, application board and Sprint USB cellular modem.
The accompanying iOS app project requires XCode 4.5 and depends on the Square SocketRocket web sockets framework to communicate with the web sockets server. I've published it to my github account here: