Magnetometer Fingerprinting

Had success today in getting a Raspberry Pi to load in all of the necessary libraries and API’s to access a sensor package (MPU-9250).  The sensor package contains a 3-axis gyro, accelerometer and magnetometer.  The goal is to use the sensors along with Wifi and Blutooth radios to build a small car that can be pushed around the museum to get a “fingerprint” map of the various radio strengths and magnetometer readings to help in the robustness of the positioning system.

Output from a simple program accessing some sensor data:

mag_rec-pi-screen

Raspberry Pi with MPU-9250:

img_20170227_153520919

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