Recommended · for advanced
3D Tracking with IMU
Why people recommend it
A gait tracking demo using an IMU with published code, linked to show that position from accelerometer data is possible but hard to get accurate.
Watch for: Expect drift; algorithm is on GitHub
In their words
I've read some work about that: [video] But my intention was to use the sensor for running and not for walking.
Rui Lima on electronics.stackexchange.com, Feb 2015. CC BY-SA.