PX4 Drivers Now Available For 3DM-CV7-AR and AHRS Inertial Sensors

At MicroStrain by HBK, we’re committed to making our inertial sensors as accessible and adaptable as possible for engineers, developers, and innovators working on unmanned aerial vehicles (UAVs), drones, and autonomous robotics. With the recent release of PX4 drivers for our 3DM-CV7-AR and 3DM-CV7-AHRS sensors, users can now directly integrate high-quality inertial data into their PX4 flight control systems, streamlining access to the precise orientation and navigation data they need for real-time applications.

Modern drone flying at building site. Aerial survey

What is PX4?

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PX4 is an open-source flight control platform used widely in the drone and UAV community. It serves as the core system for autonomous flight and navigation, processing essential data – from position and orientation to environmental inputs – to control unmanned systems in real time. PX4 is highly adaptable, supporting a variety of drone configurations and autonomous vehicles, making it a critical tool for developers working on drones, autonomous robots, and remote sensing applications.

Why Inertial Sensors Matter in the PX4 Drone Ecosystem

Inertial sensors, such as accelerometers, gyroscopes, and magnetometers, are essential in UAVs and drones, providing accurate real-time data on position, orientation, and acceleration. This data is critical for maintaining stability, precise navigation, and orientation in flight – especially for applications that demand high accuracy, such as aerial mapping, industrial inspections, and autonomous navigation.

MicroStrain 3DM-CV7 Product Photo to be used with all non-gnss/ins CV7 product variants

Meet the Inertial Sensors: 3DM-CV7-AR and 3DM-CV7-AHRS

Each sensor offers specific features suited to UAV and drone applications:

3DM-CV7-AR: This Vertical Reference Unit (VRU) provides high-speed, high-accuracy orientation and acceleration data, ideal for precision tracking and motion-based applications.
3DM-CV7-AHRS: As an Attitude and Heading Reference System (AHRS), this sensor provides consistent orientation data with built-in magnetic calibration, which is crucial for applications requiring reliable heading accuracy, such as navigation in dense or complex terrains.

Learn More About the 3DM-CV7-AR

Learn More About the 3DM-CV7-AHRS

Accessing and Downloading the Drivers

To support the integration of these sensors into your projects, we’ve made the PX4 drivers readily accessible:

Looking Ahead: Expanding PX4 Compatibility for Broader UAV and Robotics Applications

The release of PX4 drivers for the 3DM-CV7-AR and 3DM-CV7-AHRS is only the beginning. We’re actively developing additional PX4-compatible drivers for other sensors in our lineup, expanding the possibilities for engineers and developers working in UAVs, drones, and robotic systems. Whether you’re focused on precision agriculture, autonomous transport, or remote inspections, we’re here to support your journey with reliable, real-time data solutions.

Conclusion

With PX4 drivers now available for the 3DM-CV7-AR and 3DM-CV7-AHRS inertial sensors, MicroStrain by HBK is further empowering the UAV and robotics community with accessible, high-quality data integration. For those working in fields like aerial mapping, inspection, and autonomous navigation, these new drivers offer an opportunity to optimize data flow and control precision, bringing your applications closer to operational excellence.

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