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Home / Computer Hardware, Monitors & Peripherals / 4-Channel Line Tracking Sensor Smart Car Robot Infrared Tracing Obstacle Avoidance Maker Four-Line Recognition Module

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage DC 3.3V - 5V
Sensor Technology Infrared Reflective
Number of Channels 4 Independent Channels
Output Type Digital TTL Signal
Board Dimensions 60mm x 50mm
Mounting Hole Size 3mm Diameter
Working Current Approx 20mA
Detection Distance 0mm - 30mm Adjustable
LED Indicators Power and Signal Status
Interface Connector 5-Pin PH2.0

5 reviews

A

Anonymous

Mar 26, 2026

Rating: 5/5

Fast Line Tracking

My robot follows lines smoothly without much lag. The 4-channel setup provides good resolution for turns.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Great for Arduino Projects

Works flawlessly with my Uno board. The line tracking is smooth and the sensitivity adjustment potentiometer is very useful.

A

Anonymous

Feb 17, 2026

Rating: 5/5

Excellent Value

Cheap and effective for makers. The PCB quality is solid and the pins are well labeled for easy wiring.

A

Anonymous

Jan 27, 2026

Rating: 4/5

Good Sensor, Needs Calibration

Sensitive but requires tuning for different surfaces. Once calibrated, it performs well for the price point.

A

Anonymous

Jan 16, 2026

Rating: 3/5

Ambient Light Interference

Works indoors perfectly but struggles under direct sunlight. Keep this for indoor robotics projects only.

5 FAQ

Q: What is the maximum current consumption?

A: The typical working current is approximately 20mA when all IR LEDs are active.

Q: Does this work with 3.3V logic boards?

A: Yes, the module supports operating voltages from 3.3V to 5V, making it compatible with most microcontrollers.

Q: Is there a library available for this sensor?

A: We provide sample code on our wiki. It uses standard digital read functions so no specific library is required.

Q: Can it detect black electrical tape?

A: Yes, it is designed to detect contrast differences like black tape on a white surface.

Q: Is this module waterproof for outdoor use?

A: No, this module is not waterproof and is recommended for indoor use only to avoid damage.

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