Honeywell’s HMR3500 is a 3-Axis digital compass module with an azimuth accuracy of 1 degree, a 0.1 degree resolution, a 0.5 degree repeatability, and a tilt range of ±80 degrees. This device includes closed loop magnetometers, a world magnetic model for declination, configurable mounting orientation, hard and soft iron compensation as well as update rates up to 25Hz for pitch, roll and heading.