Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Technology | Infrared Reflective |
| Number of Channels | 8 Channels |
| Working Voltage | 3.3V to 5V DC |
| Detection Range | 1mm to 25mm |
| Output Type | Digital TTL Logic |
| PCB Dimensions | 95mm x 17mm x 14mm |
| Comparator Chip | LM393 Wide Voltage Comparator |
| LED Indicators | 1 Power + 8 Signal LEDs |
| Mounting Hole Diameter | 3.1mm |
| Interface Type | 9-Pin Male Header |
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for students
Bought a batch for my electronics class. Durable and straightforward for beginners to understand.
Anonymous
Feb 26, 2026
Rating: 5/5
Compatible with Pi
Tested with Raspberry Pi GPIO. Works perfectly at 3.3V logic levels.
Anonymous
Feb 08, 2026
Rating: 5/5
Great for line followers
This module made building my line following robot so much easier. The 8 channels provide smooth tracking.
Anonymous
Jan 29, 2026
Rating: 4/5
Good but sensitive to light
Works well indoors. Just note that strong sunlight can interfere with the IR sensors.
Anonymous
Jan 19, 2026
Rating: 5/5
Reliable for competition
We used these in our regional robotics contest. Very stable readings and easy to calibrate.
Q: Does this come with connecting wires?
A: The module includes the pin headers, but jumper wires are not included in the package.
Q: Can I adjust the sensitivity?
A: Yes, there is a blue potentiometer on the board to adjust the detection threshold.
Q: What surface works best for tracking?
A: White surfaces with black electrical tape or black lines provide the highest contrast and best performance.
Q: Is this compatible with 3.3V logic boards?
A: Yes, the module operates between 3.3V and 5V, making it safe for Raspberry Pi and 3.3V Arduinos.
Q: How many GPIO pins do I need?
A: You will need 8 digital input pins for the channels, plus VCC and GND connections.
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