PX4FLOW V1.3.1 Optical Flow Smart Camera — STM32F405, MT9V034, L3GD20 Gyro, 250Hz, for Pixhawk & PX4 UAV
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PX4FLOW V1.3.1 Optical Flow Smart Camera — STM32F405, 752×480 MT9V034, L3GD20 3-Axis Gyro, 250Hz, for Pixhawk & PX4 UAV
The PX4FLOW V1.3.1 is an open-source optical flow smart camera designed for GPS-denied position hold and indoor navigation on Pixhawk and PX4-compatible UAVs. Built around an STM32F405 processor and a 752×480 MT9V034 image sensor with an integrated L3GD20 3-axis gyroscope, it calculates optical flow on a 4× binned and cropped area at 250Hz outdoors and 120Hz in low-light or indoor conditions — without requiring an illumination LED. Freely reprogrammable for custom low-level computer vision tasks. Available as a standalone sensor or bundled with the MB1043 ultrasonic sonar module for integrated altitude measurement.
Key Features
- STM32F405 @ 168MHz Cortex-M4F — High-performance processor for real-time optical flow computation
- 752×480 MT9V034 Image Sensor — High-resolution image sensor with excellent low-light sensitivity
- L3GD20 3-Axis Gyroscope — Onboard gyro for motion compensation and improved flow accuracy
- 250Hz Outdoor / 120Hz Indoor — High update rate in bright conditions; maintains 120Hz in low-light and indoor environments without an illumination LED
- 16mm M12 Lens with IR Block Filter — Optimized for optical flow sensing; IR filter reduces noise from infrared light sources
- Open-Source & Reprogrammable — Freely reprogrammable for custom low-level computer vision tasks beyond optical flow
- Optional MB1043 Ultrasonic Sonar — Combo variant includes MB1043 sonar for integrated altitude measurement alongside optical flow
- Pixhawk & PX4 Compatible — Native support in PX4 flight stack; compatible with Pixhawk-based flight controllers
Variant Options
- Optical Flow Sensor Only — PX4FLOW V1.3.1 camera + connecting cable
- Combo with MB1043 Sonar — PX4FLOW V1.3.1 camera + MB1043 ultrasonic module + connecting cable
Specifications
- Processor: STM32F405, 168MHz Cortex-M4F (128 + 64KB RAM)
- Image Sensor: 752×480 MT9V034
- Gyroscope: L3GD20 3-axis
- Lens: 16mm M12 with IR block filter
- Update Rate: 250Hz (bright/outdoor), 120Hz (dark/indoor)
- Dimensions: 45.5 × 35mm
- Power: 5V, 115mA
- Firmware: Open-source, reprogrammable
What’s Included
Option A — Optical Flow Sensor Only:
- 1× PX4FLOW V1.3.1 optical flow smart camera
- 1× Connecting cable
Option B — Combo with Sonar:
- 1× PX4FLOW V1.3.1 optical flow smart camera
- 1× MB1043 ultrasonic sonar module (pre-soldered)
- 1× Connecting cable
Applications
- GPS-denied indoor position hold and hover
- Low-altitude precision navigation and landing
- Warehouse, tunnel, and urban canyon UAV operations
- Research and development UAV programs requiring open-source optical flow
Important Notes
- Version 1.3.1 — version number printed on the back of the board
- MB1043 sonar is pre-soldered on the combo variant
- Requires downward-facing mounting with a clear view of the ground surface
- Best performance on textured surfaces; pair with sonar for accurate altitude data
- Reprogrammable via open-source firmware for custom computer vision applications
Shipping Policy
Estimated Delivery: Orders typically arrive within 3-7 business days to most locations in North America.
International Shipping: Available with tracking. Transit times vary by destination.
Return & Guarantee Policy
Return Policy: Defective or damaged item? Return it within 30 days for a full refund. Customer pays return shipping.
Technical Support: Need help with compatibility or setup? Contact our FPV experts for free assistance.
