Butterfly GPS shows you the way

Butterfly GPS shows you the way


This “Butterfly GPS” device was built with an ATmega169 microcontroller, a GPS receiver board based on the SiRF chipset, and an LCD screen that reads out the data in real-time as location, date and time. Very simple construction and nice details on how it was built at the PDF link below.

A Butterfly GPS (PDF), [via]

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