A
Anonymous
Apr 13, 2026
Rating: 5/5
Perfect for my sumo bot
Works flawlessly with Arduino Uno. The potentiometer makes tuning the distance easy.
Description
Infrared Obstacle Avoidance Module for Robots - Adjustable Black/White Line Detection Reflective Photoelectric Switch
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Detection Range | 2cm - 40cm (Adjustable) |
| Interface Type | 3-Pin TTL Output |
| Comparator Chip | LM393 |
| PCB Dimensions | 32mm x 14mm |
| Mounting Hole Diameter | 3mm |
| Output Signal | Digital Switch Output (0 and 1) |
| Indicator LED | Power & Detection Status |
| Current Consumption | < 30mA |
| Compatibility | Arduino, Raspberry Pi, STM32 |
5 reviews
A
Anonymous
Apr 06, 2026
Rating: 5/5
Reliable detection
Bought 10 units. All worked out of the box. No dead pixels on IR.
A
Anonymous
Mar 16, 2026
Rating: 5/5
Easy to integrate
Simple 3-pin connection. Documentation could be better but easy to figure out.
A
Anonymous
Feb 08, 2026
Rating: 5/5
Great for line following
Used these for a line follower project. Detects black tape on white surface perfectly.
A
Anonymous
Jan 28, 2026
Rating: 4/5
Good value
Solid sensor for the price. Range is accurate once calibrated.
5 FAQ
Q: What is the maximum detection range?
A: Approximately 40cm under ideal conditions, adjustable via potentiometer.
Q: Can it detect transparent objects?
A: IR sensors struggle with transparent materials like glass. Best for opaque objects.
Q: Does this work with 3.3V logic?
A: Yes, it operates between 3.3V and 5V.
Q: Is the output analog or digital?
A: This module provides a digital TTL output signal.
Q: How do I adjust the sensitivity?
A: Use the blue potentiometer on the board. Clockwise increases sensitivity.
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