Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | Infrared Reflective (TCRT5000L) |
| Channels | 5 Independent Channels |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital Switching (0 and 1) |
| Detection Distance | 1mm - 25mm (Adjustable) |
| Indicator LEDs | Power LED + 5 Channel Status LEDs |
| Potentiometer | On-board Sensitivity Adjustment |
| PCB Dimensions | 48mm x 26mm x 14mm |
| Mounting Holes | 4 x 3mm Diameter |
| Application | Line Following Robots, Edge Detection |
Anonymous
Mar 24, 2026
Rating: 4/5
Solid performer
Works as advertised. The only minor issue is that the mounting holes are a bit close to the edge, but standard standoffs still fit. Good detection range.
Anonymous
Mar 21, 2026
Rating: 5/5
Excellent response time
I was worried about latency, but the digital output switches instantly. The five channels provide great resolution for detecting curves and intersections in my robot course.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for my line follower bot
This 5-channel sensor works flawlessly with my Arduino project. The sensitivity adjustment is very precise, allowing me to tune it perfectly for black tape on a white floor. Highly recommended for beginners.
Anonymous
Mar 09, 2026
Rating: 5/5
Great for university projects
Bought this for a final year project. It integrates easily with Raspberry Pi GPIO pins using a logic level converter. The status LEDs make debugging very easy.
Anonymous
Mar 06, 2026
Rating: 5/5
Easy to use for beginners
I am new to electronics and this was very straightforward to connect. The documentation online is helpful, and the module itself is robust. No issues so far after a week of testing.
Anonymous
Mar 04, 2026
Rating: 4/5
Good value, needs careful calibration
The module is well-built and the pins are clearly labeled. It took me a few minutes to get the potentiometer adjusted correctly for ambient light conditions, but once set, it tracks lines smoothly.
Q: Can this sensor detect colored lines other than black?
A: The sensor detects contrast based on infrared reflection. It works best with black lines on a white surface. It may struggle with low-contrast colors or dark surfaces, as IR absorption varies by pigment.
Q: Does the package include connecting wires?
A: No, the package includes only the PCB module. You will need to solder your own header pins or connect wires directly to the pads. Jumper wires are sold separately.
Q: What is the maximum speed a robot can travel while using this sensor?
A: The maximum speed depends on your robot's control loop and motor response, but the sensor itself has a very fast response time. Most users successfully run line followers at speeds between 0.5m/s and 1.5m/s.
Q: How do I adjust the sensitivity if the LEDs are always on?
A: Use a small Phillips screwdriver to turn the blue potentiometer on the board. Rotate it slowly counter-clockwise to decrease sensitivity until the LED turns off when not over a line, then fine-tune for your specific surface.
Q: Is this compatible with 3.3V microcontrollers like the ESP32?
A: Yes, the module operates on a voltage range of 3.3V to 5V, making it directly compatible with ESP32, ESP8266, and 3.3V Arduino boards without needing a voltage regulator.
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