UCTRONICS HMC5983 Sensor Temperature Compensation 3-Axial Compass SPI Board I2C Module The HMC5983 is a temperature compensated 3-axis integrated circuit e-compass The I2C ( default ) or SPI serial bus allows for easy interface Sensors can be used in strong magnetic field environments with a 1 degree to 2 degree degree compass heading accuracy Set/reset and offset strap drivers for degaussing, self test, and offset compensation. Eliminates sensor calibration necessary for other magnetic sensor technologies Enables Pedestrian Navigation and LBS Applications