Based on one of the projects over the Cornell site, however I am experimenting with using an accelerometer for tilt sensing instead of the method they used. May also try to mock this up via Lego NXT first.
Need to build a cable to interface w/ my GPS unit and read the information. Could be used as a way to record landmarks with a simpler interface than the built in multi level menu one
I am wanting to dig deeper into the low-level aspects of AVR programming.
Box with a lock that slides open depending on getting the proper input (sequence of knocks, RFID, whatever)