Arduino global positioning system gps shields arduino ada1272 the b adafruit ultimate gps b shield works with the b arduino uno b b leonardo b b duemilanove b or b diecimila b boards to give an assembly that can log received data on to an sd card or can form the basis of a geocaching project br br the gps module is an ultra compact patch on top device that provides high accuracy position and speed performance and has excellent high sensitivity and tracking capabilit