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Homemade GPS Receiver

Andrew Holme built this incredible four-channel GPS receiver using a repurposed FPGA board from a previous frequency synthesizer project. Connected to a PC running a console app, Andrew's receiver is capable of tracking four satellites simultaneously, which is good enough to capture lat, long, and altitude. Read more »

Mapbag: Josh Billions (video)

Josh Billions demonstrates the Mapbag at Maker Faire Bay Area 2011. It is a bicycle messenger bag with a ring of vibrating motors sewn into its strap, whose positions correspond to compass points. This soft circuit project uses a Lilypad in conjunction with the gps feature in an Iphone, allowing... Read more »