Flash

#include <SoftwareSerial.h>

char data = 0; 

void setup() {
 
Serial.begin(9600);        

  // Impostazione canale A
  
pinMode(5, OUTPUT); 

pinMode(6, OUTPUT);  

  // Impostazione canale B
  
pinMode(10, OUTPUT);

pinMode(11, OUTPUT); 

}

void loop() {

   

  if (Serial.available() > 0) 
  
  {
    
    data = Serial.read();      
    
    Serial.print(data);        
    
    Serial.print("\n");       
    
    switch (data) {
      
      case '1':
        // Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 255);    
        // Motor B 
        digitalWrite(10, HIGH);  
        digitalWrite(11, LOW);   
        analogWrite(9, 255);   
          break;
      case '2':
        // Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 0);      
        // Motor B
        digitalWrite(10, LOW);    
        digitalWrite(11, LOW);    
        analogWrite(9, 0);      
        break;
      case '3':
        // Motor A
        digitalWrite(5, HIGH);  
        digitalWrite(6, LOW);   
        analogWrite(3, 255);    
        // Motor B
        digitalWrite(10, HIGH); 
        digitalWrite(11, LOW);    
        analogWrite(9, 127);     
        break;
      case '4':
        // Motor A
        digitalWrite(5, HIGH);   
        digitalWrite(6, LOW);    
        analogWrite(3, 127);     
        // Motor B
        digitalWrite(10, HIGH);  
        digitalWrite(11, LOW);    
        analogWrite(9, 255);    
        break;
        

  }
}
}