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Detect Nearby Objects Without Contact
The Line Tracking Sensor 3 Channel Module is a line tracking sensor with digital output designed for obstacle detection, touchless triggers, object counting, and simple automation. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Detection Range: 1 to 10 mm; Operating Voltage: 5V DC; Output Type: Digital (High/Low).
Why you’ll love it
- Operating voltage of 5V: Operating voltage of 5V
- Compact design: Compact design with a fixed bolt-hole for easy installation
- Useful spec: TCRT5000 Infrared (IR) Reflective
- Controller output: Digital (High/Low)
- Sensing range: 1 to 10 mm
- Power range: 5V DC
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Line Tracking Sensor 3 Channel Module | line tracking sensor with digital output | Current item |
| Line Tracking Sensor 5 Channel Module | line tracking sensor | infrared sensing |
| Line Tracking Sensor for Arduino | line tracking sensor with UART | general-purpose sensing |
| TCRT5000 Infrared Reflectance Obstacle Avoidance Module | infrared proximity sensor with digital output | infrared sensing |
What you can build
This sensor is a good fit for robot obstacle avoidance, touchless dispensers, automatic doors, object counters, parking aids, and level alarms.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include a microcontroller board, jumper wires, and pull-up or pull-down support when needed, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Line Tracking Sensor 3 Channel Module |
|---|---|
| Sensor Type | TCRT5000 Infrared (IR) Reflective |
| Applications | Line-following, sumo robots, obstacle detection, path tracking |
| Output Type | Digital (High/Low) |
| Detection Range | 1 to 10 mm |
| Operating Voltage | 5V DC |
| Size | 118 mm x 80 mm x 10 mm |
| Weight | 11 grams |
| Channels | 3 |
Wiring & usage notes
Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.
What’s in the box
1 × Line Tracking Sensor 3 Channel Module
Frequently Asked Questions
What does the Line Tracking Sensor 3 Channel Module measure?
It is designed to measure line contrast or surface reflectivity.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor?
This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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