RFIDuino – Using an Arduino & RFID Reader to make a puzzle GeoCache
I enjoy both Geocaching and electronics and have made a couple of electronic puzzle caches using an Arduino.
My latest creation (with the help of a fellow cacher for the code) is using an Arduino and RFID reader to make a puzzle geocache we call RFIDuino.
The GeoCacher takes RFIDuino and has to find 3 RFID tags in order to get the location of the final geocache.
They are given the coordinates of the first tag, when they find and scan it they are given the coordinates of the second tag – and so on until they find the final. After they find the final cache and sign the logbook RFIDuino is returned to the original hiding place for the next person.
Even if you don’t geocache you could make your own RFID reader similar to the one in this Instructable and use it for a treasure hunt game. It could be adapted to have a locked lid operated by a servo similar to the “reverse geocache box”.
For more detail: RFIDuino – Using an Arduino & RFID Reader to make a puzzle GeoCache
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- RFID Geocache