PNI Motion & Measurement Modules

No fuss, self-learning module

Attitude Heading Reference System (AHRS) M&M Modules

PNI’s M&M modules will self adapt and learn its system and its environment automatically to provide accurate quaternions, heading, pitch and roll. All while using 100 times less power than traditional AHRS modules.

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PNI’s M&M modules incorporates PNI’s SENtral sensor fusion coprocessor that runs PNI’s proprietary 15 state Kalman filter sensor fusion algorithms to continuously correct for gyro bias drift, automatically calibrate for hard and soft-iron and reject magnetic distortions, while consuming less than a ¼ of a milliamp.

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The SENtral Coprocessor works with all available inertial sensors. M&M modules come configured with the following sensors:

PNI M&M Amber module: PNI’s RM3100
Magnetic Sensor and ST Micro’s LSM6DSL
Accelerometer/Gyroscope and LP25H Pressure sensor.
PNI M&M Magenta module include AKM
AK09911D magnetic sensor and ST.

Technical Specifications

M&M Amber and Magenta specifications

Data Outputs (full range calibration)	M&M Amber & M&M Magenta: Heading, Pitch & Roll, Rotation Matrix Quaternions, Magnetic, Accelerometer, Gyroscope and Barometric Pressure Sensor Data, Rotational Velocity, Step Count, Linear Acceleration
Heading Accuracy	Amber: 2° rms typical Magenta: 5° rms typical
Digital Supply Voltage	1.71 - 3.6V
Analog Supply Voltage	2.4 - 3.6 V
Average Current Draw	18 mA
Sleep Mode Current Draw	0.25 mA
Output Sample Rate	200 Hz
Communication Interface	I2C
Dimensions(LxWxH)	Amber: 22x11x6.75 mm Magenta: 11x11x1.43 mm
Weight	Amber: 0.6 gram Magenta: 0.2 gram
Operating Temperature	-40° to +85° C