Introducing the ARK Flow MR: A Next-Generation Upgrade from ARK Electronics
ARK Electronics has unveiled the ARK Flow MR, a cutting-edge enhancement to the highly regarded ARK Flow system. This new model is designed with refined sensors that significantly improve accuracy and functionality, allowing unmanned aerial vehicles (UAVs) to operate effectively in environments where GPS signals are unavailable, such as within buildings and tunnels.
This compact module boasts an enhanced optical flow system and a time-of-flight distance sensor,extending the sensing range of the ARK Flow to an impressive 50 meters,all while adding a mere 5 grams to the overall weight of the system.

produced in the USA, the ARK Flow MR adheres to the National Defense Authorization Act (NDAA), ensuring compliance with rigorous supply chain, quality, and security protocols.
With a Broadcom time-of-flight distance sensor and a PixArt optical flow sensor, the ARK Flow MR provides accurate and dependable distance readings, making it suitable for a variety of applications.
The integration of the PixArt Imaging PAA3905 optical flow sensor enhances motion detection and tracking, ensuring precise navigation and control. Additionally, the TDK InvenSense IIM-42653, a state-of-the-art inertial measurement unit (IMU), contributes to the ARK Flow MR’s exceptional performance in dynamic settings.
The ARK Flow MR operates via DroneCAN, ensuring compatibility with platforms utilizing both PX4 and Ardupilot, and it also supports ROS2.
Key Specifications:
| Dimensions: | 3 x 3 x 1.4 cm |
| Weight: | 5g |
| power Requirements: | 5V Average: 86 mA,Maximum: 90 mA |
| Optical Flow Sensor: | PixArt PAA3905 Effective working distance from 80mm to infinity No need for focal length calibration automatically detects challenging conditions like checkerboards,stripes,glossy surfaces,and yawing Automatic mode switching Includes a 40mW IR LED for enhanced low-light performance |
| Distance Sensor: | Broadcom AFBR-S50LX85D Typical range up to 50m Operates effectively in ambient light up to 200k Lux Laser opening angle of 2° x 2° |
Designed to offer users a smooth upgrade experience,the ARK Flow MR maintains compatibility with existing systems while providing enhanced capabilities. Its advanced sensor suite and adherence to industry standards make it an excellent option for professionals in search of reliable, high-performance solutions.
For further details about the ARK Flow MR and to discover its features,please visit the official product page of ARK Electronics.