This is an awesome geocache locator with a great write up. Minimal soldering so it can be easily assembled and disassembled. Shared by seanhodgins on Instructables:
The Arduino Geocache Locator is a small device that lets you program in GPS locations, and then you can use the LEDs on the top as a navigation tool to get to your location. I love making gifts for my family members for Christmas, especially for my little nephew, and I have wanted to pursue this idea for awhile, so I thought it would make a great gift for him for Christmas this year.I also created a small story about having to locate 4 missing stones which I have hid around his town in various locations. He can go and find these geocaches with his mom when they go out to explore.
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