HOLYBRO PX4 Digital Air Speed Sensor

Features:

• High-precision digital airspeed sensing.

  
  

• Utilizes a high-resolution MS4525DO sensor.

  
  

• Provides reliable data for flight control.

  
  

• Essential for autonomous fixed-wing operation.

  
  

• Compatible with PX4 and ArduPilot.

  
  

• Simple plug-and-play installation.

  
  

• Pitot tube included for accurate measurement.

  
  

• Connects via I2C bus.

  
  

• Compact and lightweight design.

  
  

• Minimizes calibration requirements.

Technical Specifications:

• Model: Holybro PX4 Digital Air Speed Sensor

• Sensor Chip: MS4525DO

• Communication Protocol: I2C

• Input Voltage: 5V

• Connector Type: JST-GH 6-pin connector

• Dimensions: Typical dimensions of a small sensor board, e.g., 20 x 15 x 6mm

• Weight: Very lightweight, e.g., 4g for the board only, 10g with pitot tube

• Measurement Type: Differential pressure via pitot tube

• Compatibility: Designed for PX4 Autopilot and ArduPilot flight controllers.

Additional Details:

• Manufacturer: Holybro

• Brand: Holybro

• Generic Name: Airspeed Sensor || Pitot Tube || UAV Sensor || Drone Sensor || Flight Sensor || Drone Accessory || PX4 Sensor || Fixed Wing Sensor || Drone Part || RC Aircraft Sensor

• Sold By: UAV Marketplace (an authorized seller of drone gear and accessories)

• Ideal For: Fixed-Wing Drones || VTOL (Vertical Take-off and Landing) Aircraft || Long-Endurance UAVs || Aerial Mapping & Surveying || Autonomous Flight Projects || Professional Drone Builders || Research & Development Platforms || RC Sailplanes || Gliders || High-Altitude Drones

Package Details:

Includes:

• Airspeed Sensor Pitot Tube x1

• Silicone wire x1

• Airspeed Sensor Breakout Board x1

• 4 Pin connecting cable x1

Frequently Asked Questions:

Q1. Why is a digital airspeed sensor important for fixed-wing drones?

Ans. An airspeed sensor provides a direct and accurate measurement of the drone's speed relative to the air, not the ground. This is crucial for fixed-wing and VTOL aircraft because their lift is generated by airflow. The sensor's data allows the flight controller to maintain a safe airspeed during flight, preventing stalls and enabling precise airspeed-based maneuvers like automated takeoff, landing, and throttle control.

Q2. How is this digital sensor different from an analog airspeed sensor?

Ans. A digital airspeed sensor like the Holybro PX4's uses a digital communication protocol (I2C) to send data to the flight controller. This is generally more reliable and less susceptible to electrical noise and interference than analog signals, which can be prone to voltage fluctuations and signal degradation. This results in more accurate and consistent airspeed readings.

Q3. Is this airspeed sensor compatible with both PX4 and ArduPilot firmware?

Ans. Yes, the Holybro PX4 Digital Air Speed Sensor is fully compatible with both PX4 and ArduPilot firmware. These open-source autopilot platforms have built-in support for the MS4525DO sensor chip, allowing for a straightforward setup. You simply connect the sensor to the I2C port on your flight controller and enable it in the firmware's configuration settings.