Reverse geocaching box

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Brian writes:

I made a single circuit board version of Arduiniana’s famous “Reverse Geocache” box lately. It is based off a PIC instead of an Arduino and incorporates all of the required electronics into one package, saving money and packaging space. The write-up also has a few good tips about the dangers of multiple power supplies, as well as the full code and schematics of the project (including GPS, servo, and LCD libraries for a PIC18).

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