@ Ars Technica by Wayne "Hat Monster" Hardman "The BIOS is that dark, cavernous pathway to your computer's very soul that both beckons and repels the would-be performance seeker."
four-channel GPS receiver using a repurposed FPGA board from a previous frequency synthesizer project. Connected to a PC running a console app, the receiver is capable of tracking four satellites simultaneously, which is good enough to capture lat, long, and altitude.
video takes you through the process from start to finish, including all of the components you'll need to make your own: the mixing bowls, the fan motor, the propane torch, and of course, the sugar.