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Home / Computer Hardware, Monitors & Peripherals / 4-Channel Infrared Line Tracking Module for Obstacle Avoidance & Smart Robot Cars

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Sensor Type Infrared Reflective
Channel Count 4 Independent Channels
Operating Voltage 3.3V to 5V DC
Output Signal Digital TTL (0 and 1)
Detection Distance 1cm to 25cm (Adjustable)
Comparator IC LM393 Quad Comparator
PCB Dimensions 60mm x 33mm
LED Indicators 4x Signal Status LEDs
Mounting Holes 3mm Diameter
Connector Type 5-Pin PH2.0 Interface

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Great value kit

Arrived quickly and packaging was secure. All components were intact and ready to solder or connect.

A

Anonymous

Feb 21, 2026

Rating: 4/5

Solid performance

Needs careful wiring to avoid signal noise, but once set up it performs reliably during competitions.

A

Anonymous

Feb 15, 2026

Rating: 5/5

Perfect for my robot car

Easy to calibrate and works flawlessly with my Arduino Uno. The line following is smooth and the obstacle avoidance is responsive.

A

Anonymous

Jan 31, 2026

Rating: 5/5

Excellent precision

Line following is smooth and accurate. The four channels provide enough data for complex track navigation.

A

Anonymous

Jan 27, 2026

Rating: 4/5

Good sensor array

Works well but requires some tuning of the potentiometers to get the right sensitivity for dark surfaces.

5 FAQ

Q: How do I adjust the detection sensitivity?

A: There are blue potentiometers on the PCB. Turn them clockwise to increase sensitivity and counter-clockwise to decrease it.

Q: Will sunlight interfere with the infrared sensors?

A: Yes, strong direct sunlight can affect IR sensors. We recommend using this module indoors or in shaded areas for best results.

Q: What is the maximum voltage this module can handle?

A: The module operates between 3.3V and 5V DC. We recommend using 5V for stable performance with most microcontrollers.

Q: Is this compatible with Raspberry Pi GPIO?

A: Yes, it is compatible. Ensure you use the 3.3V logic level or a level shifter if powering at 5V to protect the Pi.

Q: What are the pin assignments for the connector?

A: The 5-pin interface typically includes VCC, GND, and three output signals. Please refer to the silkscreen on the PCB for specific ordering.

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