The TCRT5000 Line Follower Sensor uses infrared light to identify anti-interference capability. A battery with a 5V output powers it. The output is low when the sensor detects a black line and high when the sensor detects a white line. It is easy to install because of the pre-drilled bolt hole. For robotics projects involving line-follower robots, this sensor is quite helpful.

Package Includes:

• 1 x Line Follower 1 Channel Infrared Tracking Detection Sensor On the Front TCRT5000 With 1 Pot

Features:

• Working voltage of 5V: The TCRT5000 Line Follower Sensor module requires a power source with a voltage of 5V.

• The output of black line low, white line high: When the sensor is placed over a black line, the output is low (0V). When the sensor is placed over a white surface, the output is high (5V).

• Uses infrared light to detect anti-interference ability: The TCRT5000 Line Follower Sensor module uses infrared light to detect the reflection of the light from a surface, which allows it to resist interference from other light sources and maintain a high level of accuracy in a variety of environments.

• High sensitivity and stable performance: The TCRT5000 Line Follower Sensor module is known for its high sensitivity and stable performance, which make it suitable for use in a wide range of applications.

• Exquisite workmanship: The TCRT5000 Line Follower Sensor module has a well-made design, with high-quality components and a durable construction.

• Fixed bolt hole for easy installation: The TCRT5000 Line Follower Sensor module has a fixed bolt hole that allows it to be securely mounted to a robot or other device. This makes it easy to install and ensures that it stays in place during operation.

Description:

The TCRT5000 Line Follower Sensor is a type of infrared sensor that is commonly used in line-follower robots. It works by emitting infrared light from an LED and detecting the reflection of that light using a phototransistor. When the sensor is placed over a black line, the reflection of the infrared light is low, and the output of the sensor is low. When the sensor is placed over a white surface, the reflection of the infrared light is high, and the output of the sensor is high. The TCRT5000 Line Follower Sensor requires a power source, which is typically a battery or other DC power supply with a voltage of 5V. It is easy to install because it has a pre-drilled bolt hole, which allows it to be securely mounted to a robot or other device. In a line follower robot, the TCRT5000 Line Follower Sensor can be used to detect the position of the robot relative to a line on the ground. By using multiple sensors and processing the sensor outputs, the robot can follow the line and navigate through a course. The TCRT5000 Line Follower Sensor is particularly useful because of its ability to resist interference from other light sources, which can make it more reliable in a variety of environments.

Principle of Work:

The TCRT5000 Line Follower Sensor module is a type of infrared sensor that is commonly used in line-follower robots. It works by emitting infrared light from an LED and detecting the reflection of that light using a phototransistor. When the sensor is placed over a black line, the reflection of the infrared light is low, and the output of the sensor is low. When the sensor is placed over a white surface, the reflection of the infrared light is high, and the output of the sensor is high.

In a line follower robot, the TCRT5000 Line Follower Sensor module is typically mounted to the front or bottom of the robot, facing downward. As the robot moves forward, the sensor scans the ground in front of it, detecting the presence or absence of a line. The output of the sensor is then processed by the robot's control system, which uses it to determine the position of the line and adjust the robot's movement accordingly.

For example, if the sensor is placed over a black line, the output of the sensor will be low. The robot's control system can interpret this as an indication that the robot is too far to the right of the line, and it can adjust the robot's movement to steer it back toward the line. Similarly, if the sensor is placed over a white surface, the output of the sensor will be high, and the robot's control system can interpret this as an indication that the robot is too far to the left of the line. The control system can then adjust the robot's movement to steer it back toward the line.

By using multiple TCRT5000 Line Follower Sensor modules and processing the sensor outputs, the robot can follow the line and navigate through a course. The TCRT5000 Line Follower Sensor module is particularly useful because of its ability to resist interference from other light sources, which can make it more reliable in a variety of environments.

Pinout of the Motor:

The TCRT5000 Line Follower Sensor module typically has the following pins:

• V+: This is the power pin, which should be connected to a DC power source (usually a battery or power supply) with a voltage of 5V.
• G: This is the ground pin, which should be connected to the ground of the circuit.
• S: This is the output pin, which provides the sensor's output signal. When the sensor is placed over a black line, the output is low (0V). When the sensor is placed over a white surface, the output is high (5V).
• LED: indicator LED that can be used to visually confirm the operation of the sensor.

The TCRT5000 Line Follower Sensor module also includes an infrared LED and a phototransistor, which are the main components responsible for detecting the reflection of the infrared light and generating the output signal.

Applications: 

• Line follower robots: The TCRT5000 Line Follower Sensor module is often used to build line follower robots, which are robots that are designed to follow a line on the ground. By using multiple sensors and processing the sensor outputs, the robot can follow the line and navigate through a course.

• Obstacle avoidance robots: The TCRT5000 Line Follower Sensor module can also be used to build robots that can avoid obstacles. By mounting the sensors on the front or sides of the robot, the robot can detect the presence of obstacles and adjust its movement accordingly.

• Other DIY projects: The TCRT5000 Line Follower Sensor module can be used in a wide range of other DIY electronics projects, such as control systems for small fans or pumps, or to actuate other types of mechanisms or devices.

Circuit:

Library:

No need to download any library to Arduino IDE to make the sensor work.

Click Here

Code:  

const int digital_pin = 7;
void setup(){
 Serial.begin(9600);
 pinMode(digital_pin,INPUT);
}
void loop(){
 Serial.print("Digital Reading=");
 Serial.println(digitalRead(digital_pin));
 delay(1000);
}

Technical Details:

• Operating voltage: 5V
• Operating current: 20mA
• Operating temperature: -20°C to 85°C
• Detection range: 3mm to 30mm
• Output type: Digital (low or high)
• Output voltage: 0V (low) or 5V (high)
• Response time: 500μs
• Wavelength: 940nm

Resources:

• Tutorial

Comparisons: