A
Anonymous
Mar 11, 2026
Rating: 5/5
Excellent quality
PCB is clean and soldering is solid. The LM393 chip is reliable for this price point.
Description
Includes Car Tracing Materials, Suitable for Complex and High-Difficulty Tracing Tracks
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Technology | Infrared Reflective |
| Number of Channels | 4 Channels |
| Working Voltage | 3.3V to 5V DC |
| Output Format | Digital Switching Output |
| Board Size | 48mm x 38mm |
| Mounting Hole | 3mm Diameter |
| LED Indicators | 4 Signal Status Lights |
| Detection Range | 1mm to 25mm |
| Comparator Model | LM393 Wide Voltage |
| Included Resources | 5 Tutorial Sets |
5 reviews
A
Anonymous
Feb 28, 2026
Rating: 5/5
Great for beginners
Works well with Arduino. The tutorials made setup very easy for my first robot car.
A
Anonymous
Feb 11, 2026
Rating: 3/5
Okay but tricky
Needs careful calibration. Ambient light affected performance until I added a shield.
A
Anonymous
Feb 09, 2026
Rating: 4/5
Good value
Sensitivity is good once calibrated. Had to adjust the potentiometer slightly for my surface.
A
Anonymous
Jan 31, 2026
Rating: 5/5
Competition winner
Used it in a school contest. The 4-channel setup allowed for smooth turns and fast tracking.
5 FAQ
Q: Is this compatible with Arduino Uno?
A: Yes, this module is fully compatible with Arduino Uno and other 5V microcontrollers.
Q: What is the maximum voltage input?
A: The module operates safely between 3.3V and 5V. Do not exceed 5V DC.
Q: Are code examples included?
A: Yes, the package includes 5 sets of line-following tutorials with sample code.
Q: Can I use this module outdoors?
A: Indoor use is recommended. Strong sunlight may interfere with infrared detection.
Q: What color line works best?
A: Black tape on a white surface provides the highest contrast for reliable detection.
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