BFD-1000 Five Channel Infrared Tracking Sensor Module

This BFD-1000 Five Channel Infrared Tracking Sensor Module is a high-performance, purpose-built sensor array designed specifically for line-following robots and obstacle detection systems. This module combines five pairs of infrared (IR) transmitter and receiver diodes, offering a wide sensing area that allows your robot to precisely track black lines on a white background (or vice-versa). A significant advantage of the BFD-1000 is its use of a dedicated signal processing chip, which ensures stable, reliable performance and minimizes interference from ambient light. Engineers and hobbyists often choose this array for competitive robotics because it provides both a digital output for easy integration and a high degree of sensitivity and stability.

Key Features:

• Five-Channel Array: Incorporates five pairs of IR sensors, giving your robot precise control and smooth tracking capability over a line path.
• Digital Output: Each sensor provides a separate digital output, simplifying the interface with microcontrollers like Arduino or Raspberry Pi.
• Adjustable Sensitivity: Built-in potentiometers let you fine-tune the detection threshold for each sensor, allowing you to optimize performance for different line colors and surfaces.
• Integrated LED Indicators: Status LEDs correspond to each sensor, providing a quick visual check to confirm the sensor’s current state (detecting a line or a light surface).
• Dedicated Signal Processing: The module uses a high-speed comparator and voltage regulator to ensure clean, stable digital signals, even in challenging environments.
• Anti-Interference Design: Specifically engineered to reduce interference from external light sources, enhancing its reliability during operation.

Technical Specifications:

• Operating Voltage: DC 3.0V to 5.5V
• Sensor Type: Infrared Reflective (IR Emitter/Phototransistor)
• Output Type: 5-Channel Digital Output (TTL logic level)
• Detection Distance: Typically 0.5 cm to 4 cm (adjustable)
• Interface: 9-pin single row header
• Response Time: High-speed response, ideal for fast-moving robots.

Mechanical Specifications:

• Sensor Arrangement: Linear arrangement of five IR sensor pairs.
• Mounting: Multiple mounting holes for secure attachment to a robot chassis.
• Adjustment: Five onboard trimmer potentiometers for sensitivity calibration.
• Material: Durable PCB with clear labeling.

Dimensions:

• Board Length: ~99 mm
• Board Width: ~25 mm
• Sensor Pitch: ~16 mm (center-to-center spacing of sensors)

Pinout and Wiring:

• VCC: Power supply input (connect to 5V).
• GND: Ground connection.
• D1-D5 (or OUT1-OUT5): The five independent digital output pins. Connect these to the digital input pins of your microcontroller.
• Wiring Note: Connect VCC and GND to the microcontroller’s power rails. For tracking, connect the five output pins (D1 to D5) to five distinct digital input pins on your board.

Datasheet Reference:

• Download Datasheet

Commonly Used in:

• Competitive Robotics: A staple component for advanced line-following robot competitions (like Sumo or Maze challenges).
• Educational Kits: Integrated into many STEM and robotics teaching kits due to its reliability and ease of use.
• Autonomous Vehicles (Small Scale): Used for simple navigation and edge detection in miniature autonomous systems.

Applications:

• Line Following Robots: The primary application, enabling robots to navigate complex paths autonomously.
• Maze Solving Robots: Detects walls and turns in a maze environment.
• Edge and Drop Detection: Positioned at the edges of a chassis to prevent a robot from falling off a platform.

Equivalent Models:

• TCRT5000: A single-channel IR reflective sensor, often used in multiples to create a custom array.
• KY-033/KY-032: Basic single-channel IR modules for simple obstacle avoidance.
• QTR-8A/QTR-8RC: Pololu’s 8-sensor arrays, which provide more sensor points for even finer tracking resolution, often using analog or digital pulse counting.

Package Includes:

• 1 x BFD-1000 Five Channel Infrared Tracking Sensor Module