This Tracking Sensor for Arduino can detect the white lines in black and black lines in white. This particular module has 3 sensors
Using infrared light detection, anti-interference ability
Built-in LED indicator lights
Sensor CTRT5000, high sensitivity, stable performance
Operating voltage 5V, output low black line, white line output high
Connection
| Module Pin | Arduino pin |
| Vcc | 5v |
| L | Arduino Pin 4 |
| C | Arduino Pin 5 |
| R | Arduino Pin 6 |
| Gnd | Gnd |
Code
// connect the sensors to digital pins
#define LEFT_SENSORPIN 4
#define CENTER_SENSORPIN 5
#define RIGHT_SENSORPIN 6
void setup()
{
Serial.begin(9600);
pinMode(LEFT_SENSORPIN,INPUT);
pinMode(CENTER_SENSORPIN,INPUT);
pinMode(RIGHT_SENSORPIN,INPUT);
}
void loop()
{
// read input from sensors
byte leftSensor=digitalRead(LEFT_SENSORPIN);
byte centerSensor=digitalRead(CENTER_SENSORPIN);
byte rightSensor=digitalRead(RIGHT_SENSORPIN);
Serial.print(" Left : ");
Serial.print(leftSensor);
Serial.print(" Centre : ");
Serial.print(centerSensor);
Serial.print(" Right : ");
Serial.print(rightSensor);
Serial.println();
delay(1000);
}
Links
5V 3 Channel Infrared Line Track Tracking Tracker Sensor Module For Arduino
