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Home / Computer Hardware, Monitors & Peripherals / Infrared Obstacle Avoidance Sensor Module Photoelectric Reflective Transmitter Receiver Switch Board for Robot Smart Cars
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Voltage 3.3V - 5V DC
Detection Range 2cm - 30cm (Adjustable)
Output Signal Digital TTL (High/Low)
Comparator Chip LM393
Indicator LED Power & Output Status
PCB Dimensions 32mm x 14mm
Mounting Hole 3mm Diameter
Operating Temperature -10°C to +50°C
Current Consumption < 30mA
Interface 3-Pin Header (VCC, GND, OUT)

5 reviews

A

Anonymous

Apr 05, 2026

Rating: 4/5

Easy to wire

Clear pinout. Just make sure to calibrate the pot for your specific surface.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Great for Arduino Robots

Works perfectly with my Uno. Easy to adjust sensitivity with the potentiometer.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Reliable Detection

Consistent performance in indoor lighting conditions. Highly recommend for beginners.

A

Anonymous

Feb 08, 2026

Rating: 4/5

Good value pack

Bought five for a project. One was slightly less sensitive but still usable.

A

Anonymous

Jan 24, 2026

Rating: 5/5

Compact and Effective

Small size fits well on my chassis. Detection range is accurate as described.

5 FAQ

Q: What is the pinout order?

A: Typically VCC, GND, OUT but please check the silkscreen on your board.

Q: Can I use this outdoors in sunlight?

A: Strong sunlight may interfere with IR sensors; indoor use is recommended.

Q: Is the output analog or digital?

A: This module provides a digital TTL output.

Q: Can this work with 3.3V logic?

A: Yes, it operates between 3.3V and 5V.

Q: How do I adjust the detection distance?

A: Use the blue potentiometer on the board to tune sensitivity.

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