Module L298N Dual H Bridge DC Stepper Motor Drive

Product description:

The L298N driver module, using ST L298N chip can directly drive two 3-30V DC motor, and provides a 5V output interface, you can chip circuitry to 5V power supply, support 3.3VMCU control, you can easily control the DC motor speed and direction, you can also control the 2-phase stepper motor, smart car essential.

Product parameters:

1 Driver chip: L298N dual H-bridge driver chip

2 Terminal driver part of the supply area VMS: +5V ~ +35V

3 Drive part of the peak current Io: 2A / Bridge

4 Logical part of the terminal power supply range Vss :4.5-5 .5V

5 Logical part of the operating current range: 0 ~ 36mA

6 The control signal input voltage range: 4.5-5.5V low 0V high

7 Maximum power consumption: 20W

8 Storage temperature: -25 ~ +130

9 Driver Board Size: 55mm * 60mm * 30mm

10 Driver board Weight: 33g

Code ควบคุมการทำงานด้วย Keyboard

//Keyboard Controls:

//

// 1 -Motor 1 Left

// 2 -Motor 1 Stop

// 3 -Motor 1 Right

//

// 4 -Motor 2 Left

// 5 -Motor 2 Stop

// 6 -Motor 2 Right

// Declare L298N Dual H-Bridge Motor Controller directly since there is not a library to load.

// Motor 1

int dir1PinA = 2;

int dir2PinA = 3;

int speedPinA = 9; // Needs to be a PWM pin to be able to control motor speed

// Motor 2

int dir1PinB = 4;

int dir2PinB = 5;

int speedPinB = 10; // Needs to be a PWM pin to be able to control motor speed

void setup() {  // Setup runs once per reset

// initialize serial communication @ 9600 baud:

Serial.begin(9600);

//Define L298N Dual H-Bridge Motor Controller Pins

pinMode(dir1PinA,OUTPUT);

pinMode(dir2PinA,OUTPUT);

pinMode(speedPinA,OUTPUT);

pinMode(dir1PinB,OUTPUT);

pinMode(dir2PinB,OUTPUT);

pinMode(speedPinB,OUTPUT);

}

void loop() {

// Initialize the Serial interface:

if (Serial.available() > 0) {

int inByte = Serial.read();

int speed; // Local variable

switch (inByte) {

//______________Motor 1______________

case '1': // Motor 1 Forward

analogWrite(speedPinA, 255);//Sets speed variable via PWM 

digitalWrite(dir1PinA, LOW);

digitalWrite(dir2PinA, HIGH);

Serial.println("Motor 1 Forward"); // Prints out “Motor 1 Forward” on the serial monitor

Serial.println("   "); // Creates a blank line printed on the serial monitor

break;

case '2': // Motor 1 Stop (Freespin)

analogWrite(speedPinA, 0);

digitalWrite(dir1PinA, LOW);

digitalWrite(dir2PinA, HIGH);

Serial.println("Motor 1 Stop");

Serial.println("   ");

break;

case '3': // Motor 1 Reverse

analogWrite(speedPinA, 255);

digitalWrite(dir1PinA, HIGH);

digitalWrite(dir2PinA, LOW);

Serial.println("Motor 1 Reverse");

Serial.println("   ");

break;

//______________Motor 2______________

case '4': // Motor 2 Forward

analogWrite(speedPinB, 255);

digitalWrite(dir1PinB, LOW);

digitalWrite(dir2PinB, HIGH);

Serial.println("Motor 2 Forward");

Serial.println("   ");

break;

case '5': // Motor 1 Stop (Freespin)

analogWrite(speedPinB, 0);

digitalWrite(dir1PinB, LOW);

digitalWrite(dir2PinB, HIGH);

Serial.println("Motor 2 Stop");

Serial.println("   ");

break;

case '6': // Motor 2 Reverse

analogWrite(speedPinB, 255);

digitalWrite(dir1PinB, HIGH);

digitalWrite(dir2PinB, LOW);

Serial.println("Motor 2 Reverse");

Serial.println("   ");

break;

default:

// turn all the connections off if an unmapped key is pressed:

for (int thisPin = 2; thisPin < 11; thisPin++) {

digitalWrite(thisPin, LOW);

}

  }

    }

      }