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Home / Computer Hardware, Monitors & Peripherals / Infrared Line Tracking Sensor Module for Smart Cars, 3/4/5/8-Channel Obstacle Avoidance Reflective Photoelectric Switch

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Channel Configuration 3/4/5/8 Channels (Selectable)
Operating Voltage 3.3V - 5V DC
Output Signal Digital TTL Output
Detection Distance 1mm - 25mm (Adjustable)
Comparator Chip LM393 Wide Voltage Comparator
Indicator Lights Power LED & Output Status LED
PCB Dimensions Approx. 5cm x 3cm (Varies by channel)
Mounting Hole Diameter 3mm
Operating Temperature -10°C to +50°C
Primary Application Smart Car, Line Tracking, Obstacle Avoidance

5 reviews

A

Anonymous

Apr 01, 2026

Rating: 5/5

Robust build

Used it for a robotics competition and it held up well under stress. Reliable detection even at higher speeds.

A

Anonymous

Mar 29, 2026

Rating: 3/5

Okay product

The hardware is fine, but the manual was confusing for a beginner. Had to look up tutorials online to get it working.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Fast delivery

Exactly as pictured. Arrived quickly and was well packaged. No issues with functionality upon testing.

A

Anonymous

Mar 11, 2026

Rating: 4/5

Good sensitivity

The sensor detects lines well, but needs some tweaking out of the box. Once calibrated, it performs consistently.

A

Anonymous

Feb 01, 2026

Rating: 5/5

Great for Arduino Projects

Works perfectly with my Uno board. The sensitivity adjustment is very responsive and easy to tune for different surfaces.

5 FAQ

Q: Can it detect black lines on a white surface?

A: Yes, this infrared sensor is optimized for detecting black lines on a white background commonly used in line following.

Q: Is this compatible with Raspberry Pi?

A: Yes, this module works with Raspberry Pi provided you connect it to the 3.3V or 5V GPIO pins appropriately.

Q: What is the maximum voltage input?

A: The recommended operating voltage is up to 5V DC. Exceeding this may damage the comparator chip.

Q: What does the potentiometer do?

A: The blue potentiometer adjusts the sensitivity threshold of the comparator, allowing you to fine-tune detection distance.

Q: Does this come with jumper wires?

A: No, jumper wires are sold separately. You will need male-to-female or male-to-male wires depending on your setup.

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