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Arduino RC Community support different kind of application , the most complex is the IMU (Inertial Measurement Unit) that kind of solution use different sensor to obtain information about the euler angle , in pitch , roll and yaw .
The sensor that normaly is interconnected to microcontroller is gyroscope , accelerometer , magnetometer.
In this video , the beautifull ever i seend is possible to see ArduImu in action
Jose comment your beautifull video please ... How you solve centripetal force on your revision of firmware ?