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 ...

http://howtomechatronics.com/projects/how-to-make-a-compass-using-arduino-and-processing-ide/ GY-85 board, which sensor used are only HMC5883L out of three. MCU ...

Instructables user benhur.goncalves has published a new project that provides details on how to create your very own DIY Arduino watch that is equipped with a number of useful features that include ...