A
Anonymous
Apr 05, 2026
Rating: 4/5
Easy to wire
Clear pinout. Just make sure to calibrate the pot for your specific surface.
Description
Infrared Obstacle Avoidance Sensor Module Photoelectric Reflective Transmitter Receiver Switch Board for Robot Smart Cars
Reviews
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
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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