HereFlow optical flow sensor
HereFlow optical flow sensor
SKU:HX4-06076
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HereFlow Optical Flow Sensor
Important: optical flow performance depends on the environment.
The HereFlow sensor is designed to support navigation where GPS is limited or unavailable, but performance depends on lighting, surface texture, mounting, flight height, firmware setup, and correct calibration.
The HereFlow optical flow sensor is a compact optical flow and lidar module for UAVs, drones, and robotics systems using ArduPilot or PX4. It helps provide horizontal movement estimation in environments where GPS signals are weak, unavailable, or unreliable.
The module combines a PMW3901 optical sensor, an ultra-small lidar module, and a built-in IMU. It communicates via CAN, making it suitable for compatible professional drone setups that require stable low-altitude positioning support.
Key Features
- Optical flow sensor for drones – Supports horizontal navigation where GPS positioning is limited.
- Built-in lidar module – Helps provide distance measurement for low-altitude positioning support.
- PMW3901 optical sensor – Designed for optical flow movement detection.
- Built-in IMU – Supports stability and sensor data quality.
- CAN communication – Provides reliable integration with compatible autopilot systems.
- ArduPilot and PX4 support – Intended for UAV systems using supported firmware and configuration.
What's Included
- 1x HereFlow optical flow sensor
- 1x built-in ultra-small lidar module
- 1x built-in IMU module
- 1x PMW3901 optical sensor
Optical Flow Specifications
| Optical sensor range | 80 mm to infinity |
| Field of view | 42 degrees |
| Maximum movement speed | 7.4 rad/s |
| Minimum illumination | More than 60 lux |
| Infrared emitter | 940 nm invisible light emission, Class 1 |
| Operating temperature | -20°C to +70°C |
| Interface | CAN |
| Power supply | 5 V |
Lidar Specifications
| Measuring frequency | Up to 50 Hz |
| Field of view | 27 degrees |
| Maximum distance | 2 m |
| Accuracy | ±3% |
| Infrared emitter | 940 nm invisible light emission, Class 1 |
| Operating temperature | -20°C to +70°C |
| Interface | CAN |
| Power supply | 5 V |
Typical Applications
- Indoor drone navigation – Support position estimation where GPS is unavailable.
- Low-altitude flight – Improve horizontal movement estimation close to the ground.
- Inspection drones – Useful for controlled environments with limited GNSS reception.
- Robotics platforms – Add optical flow and distance sensing to compatible autonomous systems.
Compatibility
The HereFlow optical flow sensor is designed for compatible ArduPilot and PX4 systems with CAN support. For related autopilot products, view our autopilot collection. For navigation sensors, view our GPS and GNSS for Drones collection.
Support and Assistance
For setup guidance, refer to the ArduPilot or PX4 documentation for optical flow configuration. If you are unsure whether HereFlow is suitable for your drone, surface type, lighting conditions, or autopilot setup, please contact Aeroboticshop before ordering.
Manufactured by CubePilot.
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