Arduino-L3G4200D L3G4200D Triple Axis Gyroscope Arduino Library. Tutorials: http://www.jarzebski.pl/arduino/czujniki-i-sensory/3-osiowy-zyroskop-l3g4200d.html YouTube: http://youtu.be/8llVF22r9yA This library use I2C to communicate, 2 pins are required to interface