A
Anonymous
Apr 05, 2026
Rating: 5/5
Reliable detection
Obstacle avoidance works well up to 20cm. Clear instructions included.
Description
Infrared Line Tracking and Obstacle Avoidance Sensor Module - Specializing in Components for 22 Years
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 Switching Output (0 and 1) |
| Interface Type | 3-Pin TTL Interface |
| PCB Dimensions | 32mm x 14mm |
| Operating Temperature | -10°C to +50°C |
| Indicator LED | Power LED & Status LED |
| Comparator Chip | LM393 Wide Voltage Comparator |
| Sensitivity Adjustment | Via Blue Potentiometer |
| Package Weight | 5 grams |
5 reviews
A
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for school robot
Bought 5 of these for a competition robot. All worked out of the box.
A
Anonymous
Mar 12, 2026
Rating: 4/5
Solid component
Sturdy PCB. Pins are well soldered. Would recommend for beginners.
A
Anonymous
Mar 11, 2026
Rating: 4/5
Good value sensor
Does the job well. Had to tweak the potentiometer a bit for ambient light conditions.
A
Anonymous
Feb 23, 2026
Rating: 5/5
Great for Arduino Projects
Works perfectly with my Arduino Uno. The line following is smooth once calibrated.
5 FAQ
Q: Can I connect multiple sensors?
A: Yes, you can connect multiple modules to different digital pins on your microcontroller.
Q: Is this compatible with 3.3V logic?
A: Yes, it operates between 3.3V and 5V DC.
Q: Is there a library needed?
A: No specific library is needed. It outputs a digital HIGH/LOW signal readable by standard code.
Q: Can I use this outdoors?
A: It works best indoors. Strong sunlight may interfere with IR detection.
Q: How many pins does it use?
A: It uses a 3-pin interface: VCC, GND, and Signal Output.
