Complementary filter and relative orientation with MPU9250 - Hackster.io
Low cost MEMS gyroscope and accelerometer implementation without Kalman Filter for angle estimation | Semantic Scholar
c - Combine Gyroscope and Accelerometer Data - Stack Overflow
Angle Measurement using Gyro and Accelerometer with Kalman Filter - YouTube
FK Engineering's Blog: Digital Implementation of Complementary Filter for Attitude Estimation with MEMS Accelerometer and Gyroscope (for Self-Balancing Robots)
GitHub - dlwalter/arduino_kf: Kalman Filter attitude estimator using gyro and accelerometer