项目：RJMD-R2101 H桥MOSFET电机驱动器

/*
IR2101 Motor Contorl Sketch
Controls DC motor with speed, brake and stop
IRF44ZN Mosfets used for high side and low side.
IR2101 Gate driver used to drive the MOSFETs.
you can ge the code, the gerbar file for PCB to produce and wirign diagram 
from http://robojax.com/RJT390

written by Ahmad Shamshiri on Nov 19, 2024
www.Robojax.com https://youTube.com/@robojax
*/
const int PWM1_HIN1_PIN= 9;//must be a pint with ~
const int EN1_LIN1_PIN= 8;

const int PWM2_HIN2_PIN= 3;//must be a pint with ~
const int EN2_LIN2_PIN= 2;

const boolean CW =1;
const boolean CCW =0;


void Motor(boolean, int);//prototype
void brake();//prototype
void stop();//prototype

void setup() {
  Serial.begin(9600);
  pinMode(PWM1_HIN1_PIN, OUTPUT);
  pinMode(EN1_LIN1_PIN, OUTPUT);

  pinMode(PWM2_HIN2_PIN, OUTPUT);
  pinMode(EN2_LIN2_PIN, OUTPUT);  

}

void loop() {
  Motor(CW, 100);
  delay(5000);

  brake();
  delay(3000);
   
  Motor(CCW, 100);
  delay(5000);

  stop();
  delay(3000);

  Motor(CCW, 50);//in CW at 50% speed
  delay(5000);

  brake();
  delay(3000);
  for(int i=0; i<=100; i++)
  {
    Motor(CCW, i);
    delay(100);
  }
  delay(3000);
  for(int i=100; i>=0; i--)
  {
    Motor(CCW, i);
    delay(100);
  }  
  brake();
  delay(3000);  
}


void stop()
{
    Serial.println ("=== Stop"); 
    digitalWrite(EN1_LIN1_PIN, LOW);
    digitalWrite(PWM1_HIN1_PIN, LOW);
    digitalWrite(EN2_LIN2_PIN, LOW);
    digitalWrite(PWM2_HIN2_PIN, LOW);    
}
void brake()
{
    Serial.println ("=== Brake"); 
    digitalWrite(PWM1_HIN1_PIN, HIGH);
    digitalWrite(EN1_LIN1_PIN, LOW);
    digitalWrite(PWM2_HIN2_PIN, HIGH);
    digitalWrite(EN2_LIN2_PIN, LOW);      
}


void Motor(boolean direction, int speed=0)
{
  int speedPWM = map(speed, 0, 100, 0, 255);
  Serial.print("Speed: "); Serial.print (speedPWM);
  Serial.print("(");Serial.print(speed);Serial.print("%)");


  if(direction){
   Serial.print(" dir: ");Serial.println ("CW");   

    analogWrite(PWM1_HIN1_PIN, speedPWM);
    digitalWrite(EN1_LIN1_PIN, HIGH);

    digitalWrite(PWM2_HIN2_PIN, LOW); 
    digitalWrite(EN2_LIN2_PIN, LOW);
       
  }else{
    Serial.print(" dir: ");Serial.println ("CCW"); 

    digitalWrite(PWM1_HIN1_PIN, LOW);
    digitalWrite(EN1_LIN1_PIN, LOW);

    analogWrite(PWM2_HIN2_PIN, speedPWM); 
    digitalWrite(EN2_LIN2_PIN, HIGH);
  }
 
}