Sensing—Magnetic Compass with Tilt Compensation

Cypress Semiconductor

Vadym Grygorenko

Application Note

March 2009

This Application Note presents a low-cost, digital 3-axis magnetic compass based on the Honeywell HMC1053 magnetoresistive sensor. A dual-axis accelerometer is used to provide tilt sensing for heading correction. Several full-featured and simplified design versions are also described.

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