SKU: SENS-0663
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Optical Flow Sensor V1.0 Module

₹1,419.00 (Inclusive of all taxes)
Out of Stock

The Optical Flow Sensor V1.0 is a motion detection module based on the ADNS3080 optical mouse sensor, designed for horizontal velocity and displacement measurement in robotics and drone flight controllers like APM 2.5/2.6/2.8. It requires a well-lit environment and interfaces via SPI for integration with Arduino, Raspberry Pi, and other microcontroller platforms.

Features

  • Based on ADNS3080 high-performance optical navigation sensor.
  • Measures surface-relative motion for velocity and displacement tracking.
  • SPI digital interface for direct connection to microcontrollers (Arduino, STM32, ESP32).
  • Requires ambient light for operation; includes fixed-focus lens with >30cm minimum focus distance.
  • Compact 35mm x 25mm x 30mm PCB module design for embedded integration.

Out of stock

Description

The Optical Flow Sensor V1.0 utilizes a specialized CMOS image sensor and digital signal processor (DSP) to track microscopic surface patterns, calculating relative motion vectors. This provides precise, low-latency data on lateral displacement and velocity, essential for stabilizing multirotor drones and autonomous robots in GPS-denied environments.

The module operates on a standard 3.3V or 5V logic supply and communicates via a 4-wire SPI protocol, outputting motion delta values (Δx, Δy) and surface quality metrics. Its fixed-focus optical assembly is calibrated for distances greater than 30cm, and performance is dependent on adequate surface texture and ambient lighting conditions.

Key Features

  • ADNS3080-based optical flow engine with 30×30 pixel array.
  • SPI digital output for noise-immune communication with host processors.
  • Integrated fixed-focus lens assembly for motion tracking.
  • Low-power operation compatible with 3.3V and 5V microcontroller systems.
  • Compact, lightweight PCB construction for space-constrained applications.
  • Provides real-time motion data (Δx, Δy) and surface quality indicator.
  • Designed for integration with open-source flight controllers (e.g., ArduPilot, PX4).

Applications

  • Multirotor drone position hold and velocity stabilization in GPS-denied indoor environments.
  • Ground robot odometry and dead-reckoning navigation on textured surfaces.
  • Precision mouse and pointing device development for specialized HMI systems.
  • Laboratory instrumentation for measuring linear displacement and surface velocity.
  • Educational projects for robotics and autonomous vehicle motion sensing.

Technical Specifications

Model / Part NumberOptical Flow Sensor V1.0
Sensing PrincipleOptical Navigation (CMOS Image Sensor)
Core ICADNS3080
InterfaceSPI (Serial Peripheral Interface)
Supply Voltage3.3V to 5V DC
Minimum Focus Distance> 30 cm
Operating EnvironmentRequires ambient light & textured surface
Dimensions (L × W × H)35 mm × 25 mm × 30 mm
WeightApprox. 0.02 kg
Primary MaterialPlastic (Lens Housing), FR4 PCB

Frequently Asked Questions

What is the operating voltage range for the Optical Flow Sensor V1.0?

The module is designed to operate from a 3.3V to 5V DC power supply. Ensure your microcontroller's logic voltage matches the sensor's VCC input. The SPI communication lines are typically 3.3V logic level but are often 5V-tolerant when powered from a 5V supply; verify with your host system specifications.

How do I interface this sensor with an Arduino or Raspberry Pi?

Connect the sensor via its 4-wire SPI interface: Chip Select (CS), Serial Clock (SCLK), Master Out Slave In (MOSI), and Master In Slave Out (MISO). Power the module from the board's 3.3V or 5V pin. Use the ADNS3080 Arduino library to read motion data (Δx, Δy) and surface quality values directly in your sketch or Python script.

Why does the sensor require a well-lit environment and what is the minimum focus distance?

The ADNS3080 sensor requires ambient light to illuminate surface texture for its image correlation algorithm. Performance degrades in low light. The integrated lens has a fixed focus, optimized for surfaces more than 30cm (approximately 1 foot) away. Objects closer than this distance will appear blurred, preventing accurate motion tracking.

Can this sensor be used for altitude or vertical movement detection?

No, this optical flow sensor is specifically designed to detect lateral movement (X and Y axes) relative to the surface it is observing. It cannot measure altitude, height, or vertical (Z-axis) displacement. For altitude sensing, you would need to pair it with a barometric pressure sensor or ultrasonic rangefinder.

Package Includes

  • 1 x Optical Flow Sensor V1.0 Module

Additional Information

Weight 0.02 kg
Dimensions 3.5 × 2.5 × 3 cm