Deqing Sun posted a fantastic tutorial to Adafruit’s Learning System on how to get Google Glass to communicate with Raspberry Pi. Smartly, he used a Extensible Messaging and Presence Protocol (XMPP) server to pass data between the Pi and Glass.
XMPP is commonly used as a protocol for instant messaging services, but it also allows for near-instant communication between the two devices while working with Glass’s Mirror API and keeping the Raspberry Pi behind a firewall. If you’re among the few that have Google Glass and you want to try it out yourself, his tutorial walks you through the different components and includes all the code to get you up and running.
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