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Home / Computer Hardware, Monitors & Peripherals / Infrared Obstacle Avoidance Module Smart Car Barrier Sensor Adjustable Distance Reflective Photoelectric Switch
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Input Voltage 3.3V - 5V DC
Detection Range 2cm - 40cm
Detection Angle 35 degrees
Output Signal Digital Switching Output (0 and 1)
Comparator Chip LM393
Power Indicator Red LED
Output Indicator Green LED
PCB Dimensions 32mm x 14mm
Mounting Hole Diameter 3mm
Potentiometer Adjustable Sensitivity Control

5 reviews

A

Anonymous

Mar 09, 2026

Rating: 4/5

Good value for money

Range is decent but struggles in bright sunlight. Perfect for indoor use though.

A

Anonymous

Mar 01, 2026

Rating: 3/5

Needs careful tuning

Works well indoors but outdoor light affects it. You need to shield it for best results.

A

Anonymous

Feb 27, 2026

Rating: 5/5

Works great with Arduino

Easy to integrate into my robot car project. Very sensitive and responds quickly to obstacles.

A

Anonymous

Feb 17, 2026

Rating: 5/5

Fast delivery and well packaged

Tested on 5V and 3.3V both work fine. No issues with the connections.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Perfect for obstacle avoidance

Calibration knob makes it very versatile. I can set the exact distance I need for my bot.

5 FAQ

Q: Can this work with Raspberry Pi?

A: Yes, it operates at 3.3V to 5V logic levels compatible with Raspberry Pi GPIO.

Q: Does it come with jumper wires?

A: No, please purchase jumper wires separately as they are not included in the package.

Q: What is the maximum detection distance?

A: Approximately 40cm depending on surface reflectivity and ambient light conditions.

Q: How do I adjust the sensitivity?

A: Use the blue potentiometer on the board with a small screwdriver to tune the range.

Q: Is the output analog or digital?

A: This module provides a digital TTL output signal, low when obstacle detected.

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