Arduino Due + CMPS11 compass

It is pretty essential to have a tilt compensated compass module on a boat that heels. The CMPS11 compass is an early example which met this requirement. Also noticed the module requires 3.6v (>3.3v) input. Compared to the CMPS10 the module adds a gyroscope. This enables a Kalman filter to combine the gyro and accelerometer to remove errors caused by tilting.


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