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The Honeywell HMR3200/HMR3300 are digital compass solutions for use in precision heading applications. Honeywell's magnetoresistive sensors are utilized to provide the reliability and accuracy of these small, solid state compass designs. These compass solutions are designed for generic precision compass integration into customer systems using a 5-voltage logic level serial data interface with commands in ASCII format. The HMR3300 includes a MEMS accelerometer for a horizontal three-axis, tilt compensated precision compass for performance up to a ±60° tilt range.