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We featured a cool GPS Puzzle Box earlier this year that Markus built. It was based on a version that Mikal Hart created. Turns out there is quite a bit of interest in these GPS Puzzle Boxes, Mikal has since written a Make article which will be published in the Fall 2010 edition of the magazine. He has also been contacted by newspapers, movie directors and TV shows wanting to know more about his creation. Mikal has built many more of these boxes, so many that he decided to get a custom PCB made so that assembly is much easier. Geocaching.com met up with Mikal and made an interesting video about him, the box and the future of reverse geocaching.
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August 16th, 2010
What a great idea
How about using an internal compass with flashing led direction indicators? Or a Getting Warmer/ Getting Colder display?…
August 16th, 2010
I feel this is one of those things better left un-invented. All you need is some nut putting a bomb in the box and getting some kid to take it where he or she wanted. Sometimes having a great concept also means having the great responsibility to not release it.
August 16th, 2010
Very cool idea. I’d like to get the source so I could at least change the “50 attempts”. My friends would just keep hitting the button before getting close to the Geo mark.
August 17th, 2010
@sadguy
sorry you’re so sad and emo, but if thats the way everyone was there would be no progress in the world. I’ve been following geocaching for years now and this is a wonderful idea. I mean when you think about it this could have applications for everything. Including military. Cargo ships that won’t open till it docks within it’s destination. When you think about it, Mikal really didn’t re-invent the geocache, he invented a new type of combo lock thats resilient to spoofing or cracking.
August 18th, 2010
I wonder how GPS keeps a lock (or gets a signal) being stuck in a thick box like that. Fascinating.
January 26th, 2011
[...] like these Reverse GeoCaching projects are getting more and more popular. We have seen this type of project before but this one is much more of a cool hack than the others. In this project a GPS receiver with a [...]