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56 lines
2.5 KiB
Markdown
56 lines
2.5 KiB
Markdown
# Sensor calibration
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In order to perform the sensor calibration, select the *Vehicle Setup* tab and choose the *Sensors* menu.
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> **Caution** If you use the flight controller [*COEX Pix*](coex_pix.md), all *Autopilot Orientation* columns must specify `ROTATION_ROLL_180_YAW_90`, otherwise the flight controller will not correctly perceive the tilt and rotation of the copter.
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## Compass
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<img src="../assets/qgc-cal-compass.png" alt="QGroundControl compass calibration" class="zoom">
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1. Select the *Compass* submenu
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2. Choose the flight controller orientation (*ROTATION_NONE* if the arrow on the flight controller is aligned with the arrow on the frame).
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3. Press *OK*.
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4. Put the drone in one of the orientations marked by the red outline and wait for the appropriate outline to turn yellow.
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5. Spin the drone as required until the outline turns green. Do this for all orientations.
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Read more in the PX4 docs: https://docs.px4.io/v1.9.0/en/config/compass.html.
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## Gyroscope
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<img src="../assets/qgc-cal-gyro.png" alt="QGroundControl gyroscope calibration" class="zoom">
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1. Select the *Gyroscope* submenu.
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2. Place the drone on a flat, horizontal surface.
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3. Press *OK*.
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4. Wait for the calibration to finish.s
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> **Warning** The drone should stay completely still during the calibration.
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Read more in the PX4 docs: https://docs.px4.io/v1.9.0/en/config/gyroscope.html.
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## Accelerometer
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<img src="../assets/qgc-cal-acc.png" alt="QGroundControl accelerometer calibration" class="zoom">
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1. Select the *Accelerometer* submenu.
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2. Choose the flight controller orientation (*ROTATION_NONE* if the arrow on the flight controller is aligned with the arrow on the frame).
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3. Put the drone in one of the orientations marked by the red outline and wait for the appropriate outline to turn yellow.
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4. Hold the drone in this orientation until the outline turns green. Do this for all orientations.
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Read more in the PX4 docs: https://docs.px4.io/v1.9.0/en/config/accelerometer.html.
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## Level horizon
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<img src="../assets/qgc-cal-level.png" alt="QGroundControl level horizon calibration" class="zoom">
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1. Select the *Level Horizon* submenu.
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2. Choose the flight controller orientation (*ROTATION_NONE* if the arrow on the flight controller is aligned with the arrow on the frame).
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3. Place the drone on a flat, horizontal surface.
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4. Press *OK*.
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5. Wait for the calibration to finish.
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Read more in the PX4 docs: https://docs.px4.io/v1.9.0/en/config/level_horizon_calibration.html.
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**Next**: [RC setup](radio.md).
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