Gyroscope Hardware & Setup
PX4 uses a gyroscope for estimating the vehicle attitude (orientation).
You should not need to attach a gyroscope as a stand-alone external device:
- Most flight controllers, such as those in the Pixhawk Series, include a gyroscope as part of the flight controller's Inertial Motion Unit (IMU).
- Gyroscopes are present as part of an external INS, ARHS or INS-enhanced GNSS system.
The gyroscope must be calibrated before first use of the vehicle: