MS4525DO Airspeed Pressure Sensor for Pixhawk Drone

MS4525DO Airspeed & Pressure Sensor for Pixhawk – Precision Flight Data

The MS4525DO (4525DO-DS5AI001DP) is a high-precision differential pressure and airspeed sensor designed for use with Pixhawk flight controllers and compatible drone autopilot systems. Whether you're building a fixed-wing UAV or upgrading your existing setup, this sensor delivers accurate, real-time airspeed data essential for stable and reliable autonomous flight.

Key Features

• High-Accuracy Differential Pressure Sensing – The MS4525DO chip provides precise airspeed readings, critical for flight stabilization and navigation.
• Pixhawk Compatible – Designed to integrate seamlessly with Pixhawk, APM, and other popular open-source autopilot flight controllers.
• Compact & Lightweight Design – Minimal footprint makes it ideal for weight-sensitive UAV and drone builds.
• Reliable I²C Interface – Communicates via standard I²C protocol for easy integration into your flight stack.
• Stable Performance – Built with quality electronic components for consistent, repeatable measurements across varying flight conditions.
• Model: MS4525DO / 4525DO-DS5AI001DP

Specifications

• Sensor Type: Differential Pressure / Airspeed Sensor
• Interface: I²C
• Compatible Platforms: Pixhawk, APM, PX4, ArduPilot, and similar autopilot systems
• Application: Fixed-wing UAVs, multirotor drones, RC aircraft
• Country of Origin: Made in Mainland China

What's in the Box

• 1 × MS4525DO Airspeed & Pressure Sensor Module

Who Is This For?

This sensor is ideal for drone builders, FPV pilots, UAV engineers, and RC aircraft enthusiasts who need accurate airspeed telemetry for autonomous or semi-autonomous flight. It's a trusted component in both hobbyist and professional-grade drone builds.

Looking for other tools and accessories for your builds? Check out our Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool or our Electromagnetic Induction Tester – Coil & Circuit Fault Detector for more precision electronic tools.

Learn more: OSHA on personal protective equipment

Frequently Asked Questions

Q: Is the MS4525DO sensor compatible with Pixhawk and PX4 autopilot systems?

A: Yes, the MS4525DO airspeed sensor is fully compatible with Pixhawk, PX4, ArduPilot, and APM-based flight controllers. It communicates via the standard I²C protocol, making integration straightforward in most popular drone autopilot setups.

Q: What type of aircraft is this MS4525DO pressure sensor best suited for?

A: This sensor is primarily designed for fixed-wing UAVs and RC aircraft where accurate airspeed measurement is essential for flight control. It can also be used in multirotor systems that benefit from airspeed data for improved navigation and stability.

Q: What does the MS4525DO sensor measure?

A: The MS4525DO measures differential pressure, which is then converted by the flight controller into an accurate airspeed reading. This data is vital for flight planning, autonomous navigation, and stable operation of unmanned aerial vehicles.