MOTOR DRIVER BOARD (IC L293D)

CIRCUIT OF MOTOR DRIVER BOARD USING L293D

CODE (FOR RUNNING A BOT WITH 2 MOTORS)

void straight();

void back();

void left();

void right();

void Stop();

void setup() // put your setup code here, to run once:

{

//CONNECTED TO L293D CONTROLLING THE LEFT MOTOR

pinMode(3,OUTPUT);

pinMode(4,OUTPUT);

//CONNECTED TO L293D CONTROLLING THE RIGHT MOTOR

pinMode(9,OUTPUT);

pinMode(10,OUTPUT);

}

void loop() // put your main code here, to run repeatedly:

{

straight();

delay(5000);

back();

delay(5000);

left();

delay(5000);

right();

delay(5000);

Stop();

delay(5000);

}

void straight()

{

//LEFT MOTOR FORWARD

digitalWrite(3,HIGH);

digitalWrite(4,LOW);

//RIGHT MOTOR FORWARD

digitalWrite(9,HIGH);

digitalWrite(10,LOW);

}

void back()

{

//LEFT MOTOR BACKWARD

digitalWrite(3,LOW);

digitalWrite(4,HIGH);

//RIGHT MOTOR BACKWARD

digitalWrite(9,LOW);

digitalWrite(10,HIGH);

}

void left()

{

//LEFT MOTOR STOPPED

digitalWrite(3,LOW);

digitalWrite(4,LOW);

//RIGHT MOTOR FORWARD

digitalWrite(9,HIGH);

digitalWrite(10,LOW);

}

void right()

{

//LEFT MOTOR FORWARD

digitalWrite(3,HIGH);

digitalWrite(4,LOW);

//RIGHT MOTOR STOPPED

digitalWrite(9,LOW);

digitalWrite(10,LOW);

}

void Stop()

{

//LEFT MOTOR STOPPED

digitalWrite(3,LOW);

digitalWrite(4,LOW);

//RIGHT MOTOR STOPPED

digitalWrite(9,LOW);

digitalWrite(10,LOW);

}