Will's gathering people around some small microcontroller (uC) projects as a means to pass on some knowledge. These aren't be run as a formal class, but is something Will would like to open up to everyone.
We have an LED sign that needs to be refurbished and would like to explore RFID tag reader for use for entry into the space once we get to that point.
If you're interested in digging more deeply into microcontrollers than the arduino, connect with Will (kd0mto) on IRC, the mailing list or come out to an open hack.
Will is also recommending that you check out the following resources: