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    Line Follower

    Uploaded by

    Frederick VIllaflor
    This Arduino code controls a line following robot using two infrared sensors to detect a black line. It uses the sensors to determine whether the robot is on or off the line and controls two DC motors to either move straight, turn left, or turn right accordingly. The code sets the infrared sensors and motors as inputs and outputs, then enters a continuous loop to read the sensor values and control the motors' direction and speed based on the sensor readings to follow the black line.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Line Follower

    Uploaded by

    Frederick VIllaflor
    39 views3 pages
    This Arduino code controls a line following robot using two infrared sensors to detect a black line. It uses the sensors to determine whether the robot is on or off the line and controls two DC motors to either move straight, turn left, or turn right accordingly. The code sets the infrared sensors and motors as inputs and outputs, then enters a continuous loop to read the sensor values and control the motors' direction and speed based on the sensor readings to follow the black line.

    Original Description:

    Copyright

    © © All Rights Reserved

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    This Arduino code controls a line following robot using two infrared sensors to detect a black line. It uses the sensors to determine whether the robot is on or off the line and controls two DC motors to either move straight, turn left, or turn right accordingly. The code sets the infrared sensors and motors as inputs and outputs, then enters a continuous loop to read the sensor values and control the motors' direction and speed based on the sensor readings to follow the black line.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    39 views3 pages

    Line Follower

    Uploaded by

    Frederick VIllaflor
    This Arduino code controls a line following robot using two infrared sensors to detect a black line. It uses the sensors to determine whether the robot is on or off the line and controls two DC motors to either move straight, turn left, or turn right accordingly. The code sets the infrared sensors and motors as inputs and outputs, then enters a continuous loop to read the sensor values and control the motors' direction and speed based on the sensor readings to follow the black line.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 3

    Line_Follower.

    ino Arduino
    // Black Line Follower
    int IR1=8; //Right sensor
    int IR2=9; //left Sensor
    // motor one
    int enA = 5; //Right motor
    int MotorAip1=2;
    int MotorAip2=3;
    // motor two
    int enB = 6; //Left motor
    int MotorBip1=4;
    int MotorBip2=7;
    void setup()
    {
    // put your setup code here, to run once:
    pinMode(enA, OUTPUT);
    pinMode(enB, OUTPUT);
    pinMode(IR1,INPUT);
    pinMode(IR2,INPUT);
    pinMode(MotorAip1,OUTPUT);
    pinMode(MotorAip2,OUTPUT);
    pinMode(MotorBip1,OUTPUT);
    pinMode(MotorBip2,OUTPUT);
    }
    void loop()
    {
    if(digitalRead(IR1)==HIGH && digitalRead(IR2)==HIGH) //IR will not
    glow on black line
    {
    //Stop both Motors
    digitalWrite(MotorAip1,LOW);
    digitalWrite(MotorAip2,LOW);
    digitalWrite(MotorBip1,LOW);
    digitalWrite(MotorBip2,LOW);
    analogWrite (enA, 0);
    analogWrite (enB, 0);
    }

    else if(digitalRead(IR1)==LOW && digitalRead(IR2)==LOW) //IR not on


    black line
    {
    //Move both the Motors
    digitalWrite(MotorAip1,HIGH);
    digitalWrite(MotorAip2,LOW);
    digitalWrite(MotorBip1,HIGH);
    digitalWrite(MotorBip2,LOW);
    analogWrite (enA, 200);
    analogWrite (enB, 200);
    }

    else if(digitalRead(IR1)==LOW && digitalRead(IR2)==HIGH)


    {
    //Tilt robot towards left by stopping the left wheel and moving the
    right one
    digitalWrite(MotorAip1,HIGH);
    digitalWrite(MotorAip2,LOW);
    digitalWrite(MotorBip1,LOW);
    digitalWrite(MotorBip2,HIGH);
    analogWrite (enA, 200);
    analogWrite (enB, 150);
    delay(100);
    }

    else if(digitalRead(IR1)==HIGH && digitalRead(IR2)==LOW)


    {
    //Tilt robot towards right by stopping the right wheel and moving
    the left one
    digitalWrite(MotorAip1,LOW); // If I want to turn right then
    the speed of the right wheel should be less than that of the left
    wheel, here, let a be the right wheel
    digitalWrite(MotorAip2,HIGH);
    digitalWrite(MotorBip1,HIGH);
    digitalWrite(MotorBip2,LOW);
    analogWrite (enA, 150);
    analogWrite (enB, 200);
    delay(100);
    }

    else
    {
    //Stop both the motors
    digitalWrite(MotorAip1,LOW);
    digitalWrite(MotorAip2,LOW);
    digitalWrite(MotorBip1,LOW);
    digitalWrite(MotorBip2,LOW);
    analogWrite (enA, 0);
    analogWrite (enB, 0);
    }
    }

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