Wire.h - No need to included it at the top of your sketch. QMC5883L Compass will included it for you. Just ensure that it is installed in your IDE. QMC5883L Compass Library calculates the direction ...

/* See http://arduino.land/FAQ/content/7/42/en/how-to-use-multiple-tabs.html * You can use the tab feature to organize your code. The IDE will * create files for each ...