L298n Motor driver Arduino | Motors | Motor Driver | L298n

Here, We will learn "How to use L298n Motor Driver with Arduino Uno". Also We will control the Speed & Direction of Motor.

Jun 12, 2021

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Components and supplies

Arduino UNO

DC Motor, 12 V

SparkFun Full-Bridge Motor Driver Breakout - L298N

Jumper wires (generic)

9V battery (generic)

Maker Essentials - Micro-motors & Grippy Wheels

Tools and machines

Multitool, Screwdriver

Project description

Code

Code for L298n Motor Driver

1int motor1pin1 = 2;
2int motor1pin2 = 3;
3
4int motor2pin1 = 4;
5int   motor2pin2 = 5;
6
7void setup() {
8  // put your setup code here, to run once:
9   pinMode(motor1pin1, OUTPUT);
10  pinMode(motor1pin2, OUTPUT);
11  pinMode(motor2pin1,   OUTPUT);
12  pinMode(motor2pin2, OUTPUT);
13
14  //(Optional)
15  pinMode(9,   OUTPUT); 
16  pinMode(10, OUTPUT);
17  //(Optional)
18}
19
20void loop() {
21   // put your main code here, to run repeatedly:
22
23  //Controlling speed (0   = off and 255 = max speed):     
24  //(Optional)
25  analogWrite(9, 100); //ENA   pin
26  analogWrite(10, 200); //ENB pin
27  //(Optional)
28  
29  digitalWrite(motor1pin1,   HIGH);
30  digitalWrite(motor1pin2, LOW);
31
32  digitalWrite(motor2pin1, HIGH);
33   digitalWrite(motor2pin2, LOW);
34  delay(3000);
35
36  digitalWrite(motor1pin1,   LOW);
37  digitalWrite(motor1pin2, HIGH);
38
39  digitalWrite(motor2pin1, LOW);
40   digitalWrite(motor2pin2, HIGH);
41  delay(3000);
42}
43

int motor1pin1 = 2;
int motor1pin2 = 3;

int motor2pin1 = 4;
int   motor2pin2 = 5;

void setup() {
  // put your setup code here, to run once:
   pinMode(motor1pin1, OUTPUT);
  pinMode(motor1pin2, OUTPUT);
  pinMode(motor2pin1,   OUTPUT);
  pinMode(motor2pin2, OUTPUT);

  //(Optional)
  pinMode(9,   OUTPUT); 
  pinMode(10, OUTPUT);
  //(Optional)
}

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

  //Controlling speed (0   = off and 255 = max speed):     
  //(Optional)
  analogWrite(9, 100); //ENA   pin
  analogWrite(10, 200); //ENB pin
  //(Optional)
  
  digitalWrite(motor1pin1,   HIGH);
  digitalWrite(motor1pin2, LOW);

  digitalWrite(motor2pin1, HIGH);
   digitalWrite(motor2pin2, LOW);
  delay(3000);

  digitalWrite(motor1pin1,   LOW);
  digitalWrite(motor1pin2, HIGH);

  digitalWrite(motor2pin1, LOW);
   digitalWrite(motor2pin2, HIGH);
  delay(3000);
}

Code for L298n Motor Driver

1int motor1pin1 = 2;
2int motor1pin2 = 3;
3
4int motor2pin1 = 4;
5int  motor2pin2 = 5;
6
7void setup() {
8  // put your setup code here, to run once:
9  pinMode(motor1pin1, OUTPUT);
10  pinMode(motor1pin2, OUTPUT);
11  pinMode(motor2pin1,  OUTPUT);
12  pinMode(motor2pin2, OUTPUT);
13
14  //(Optional)
15  pinMode(9,  OUTPUT); 
16  pinMode(10, OUTPUT);
17  //(Optional)
18}
19
20void loop() {
21  // put your main code here, to run repeatedly:
22
23  //Controlling speed (0  = off and 255 = max speed):     
24  //(Optional)
25  analogWrite(9, 100); //ENA  pin
26  analogWrite(10, 200); //ENB pin
27  //(Optional)
28  
29  digitalWrite(motor1pin1,  HIGH);
30  digitalWrite(motor1pin2, LOW);
31
32  digitalWrite(motor2pin1, HIGH);
33  digitalWrite(motor2pin2, LOW);
34  delay(3000);
35
36  digitalWrite(motor1pin1,  LOW);
37  digitalWrite(motor1pin2, HIGH);
38
39  digitalWrite(motor2pin1, LOW);
40  digitalWrite(motor2pin2, HIGH);
41  delay(3000);
42}
43

int motor1pin1 = 2;
int motor1pin2 = 3;

int motor2pin1 = 4;
int  motor2pin2 = 5;

void setup() {
  // put your setup code here, to run once:
  pinMode(motor1pin1, OUTPUT);
  pinMode(motor1pin2, OUTPUT);
  pinMode(motor2pin1,  OUTPUT);
  pinMode(motor2pin2, OUTPUT);

  //(Optional)
  pinMode(9,  OUTPUT); 
  pinMode(10, OUTPUT);
  //(Optional)
}

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

  //Controlling speed (0  = off and 255 = max speed):     
  //(Optional)
  analogWrite(9, 100); //ENA  pin
  analogWrite(10, 200); //ENB pin
  //(Optional)
  
  digitalWrite(motor1pin1,  HIGH);
  digitalWrite(motor1pin2, LOW);

  digitalWrite(motor2pin1, HIGH);
  digitalWrite(motor2pin2, LOW);
  delay(3000);

  digitalWrite(motor1pin1,  LOW);
  digitalWrite(motor1pin2, HIGH);

  digitalWrite(motor2pin1, LOW);
  digitalWrite(motor2pin2, HIGH);
  delay(3000);
}

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