Product overview
The Holybro AS1318C Airspeed Sensor provides airspeed readings within a flight-controller setup, with configuration procedures for Ardupilot and PX4. For Ardupilot, setup takes place in MissionPlanner: set ARSPD_TYPE to 1, write the parameters, and power cycle the flight controller. Airspeed data should then appear on the main interface or in the status list. Complete configuration and calibration are available only in the fixed-wing airframe configuration, which constrains the Ardupilot setup workflow.
For PX4, the sensor is enabled through QGC using SENS_EN_MS4525DO. After enabling that setting, reboot the vehicle or power cycle the flight controller; the airspeed reading should then appear on the main interface. Calibration is required for accurate readings. Integration therefore includes both the software-specific parameter setting and the prescribed restart, with calibration also necessary when preparing the sensor to provide accurate airspeed information.
Specifications
| Specification | Value & conditions |
|---|---|
| Flight controller support | All Holybro flight controller boardsRunning Ardupilot or PX4 |
| Product identity | Holybro AS1318C Airspeed Sensor |
| Configuration and calibration limitation | Complete configuration and calibration are available only in the fixed-wing airframe configuration.Ardupilot fixed-wing airframe configuration |
| Airspeed sensor parameter | Set ARSPD_TYPE to 1, write parameters, and power cycle the flight controller.Ardupilot setup in MissionPlanner |
| Airspeed data display | Airspeed data should appear on the main interface or in the status list.After Ardupilot configuration |
| Sensor enable setting | Enable SENS_EN_MS4525DO, then reboot the vehicle or power cycle the flight controller.PX4 setup in QGC |
| Airspeed reading display | The airspeed reading should appear on the main interface.After PX4 setup |
| Calibration requirement | Calibrate the airspeed sensor for accurate readings.For accurate airspeed readings |
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