Punky GPS Gets The Steam Built Up For Geocaching | Hackaday - Hackaday

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Punky GPS Gets The Steam Built Up For Geocaching | Hackaday Hackaday Starting with an antique wooden box, and adding an Arduino, GPS module, and LiPo battery to make the brains. The user interface consists of good 'ole toggle switches and a pair of quad seven segment displays to enter, and check longitude and latitude.