The 4 Channel Infrared Sensor Tracking Module is a reliable line tracking sensor set used in robotics and automation projects. It includes four IR transmitter-receiver pairs that detect black/white surface contrast, making it ideal for line follower robots, path tracking, edge detection, and obstacle boundary sensing. Each channel provides an adjustable threshold using onboard potentiometers, allowing stable detection under different lighting and surface conditions.
Core Module Features
• Sensor Type: Infrared (IR) reflective sensor array
• Number of Channels: 4 independent sensing channels
• Detection Method: Reflective IR (black/white surface detection)
• Output Type: Digital output for each channel
• Sensitivity Control: Individual potentiometer adjustment per channel
Electrical & Interface
• Operating Voltage: 3.3V – 5V DC
• Output Signals: 4× Digital outputs (D1, D2, D3, D4)
• Logic Level: TTL compatible
• Onboard Circuit: Comparator based output (stable switching)
• Power Indicator: LED status for power and detection
Performance & Detection
• Best For: Line tracking / surface contrast detection
• Adjustable Threshold: Works in various floor colors and lighting
• Fast Response: Suitable for real-time robot movement
• Detection Range: Short-range reflective sensing (close to ground)
• Reliable Multi-point Tracking: Improves turning and path accuracy
Physical & Integration
• Compact board design for easy mounting
• 4 sensor heads aligned for straight tracking
• Comes with jumper wire ribbon cable for quick connections
• Ideal spacing between sensors for smoother line following
Applications
• Line Follower Robots (4-sensor precise tracking)
• Maze Solving Robots
• Edge / Cliff Detection in robotic cars
• Path detection for DIY automation projects
• Black tape / white tape surface following systems
Pro Tip
• Keep sensors close to the surface for best detection
• Adjust each channel potentiometer on the same surface where the robot will run
• Works best with matte surfaces (less reflection noise)
• Add software filtering for extra stable output during fast turns
Package Includes
• 1 × 4 Channel IR Sensor Tracking Module
• 1 × Set of IR sensor strips
• 1 × Ribbon jumper wire cable