int ENA = 5;
 int ENB = 6;
 int MotorSpeedA=0;
 int MotorSpeedB=0; 
 char t;

void setup() {
pinMode(9,OUTPUT);    //first Curtain up 
pinMode(10,OUTPUT);   //first Curtain down
pinMode(11,OUTPUT);   //second Curtain up
pinMode(12,OUTPUT);   //second Curtain down
 Serial.begin(9600);
 
 digitalWrite(9,LOW);
  digitalWrite(10,LOW);
  digitalWrite(11,LOW);
  digitalWrite(12,LOW);
 }
 
void loop() {
if(Serial.available()){
  t = Serial.read();
  Serial.println(t);
}


 
if(t == '1'){            //first Curtain up 
  digitalWrite(9,HIGH);
  digitalWrite(10,LOW);
  
  MotorSpeedA = 110;
    
  analogWrite(ENA,MotorSpeedA);

}
 
else if(t == '2'){      //first Curtain down
  digitalWrite(9,LOW);
  digitalWrite(10,HIGH);
  
        MotorSpeedA =220;
       
    analogWrite(ENA,MotorSpeedA);
}
 
else if(t == '3'){      //second Curtain up
  
  digitalWrite(11,HIGH);
  digitalWrite(12,LOW);
       
    MotorSpeedB = 50;
    
   analogWrite(ENB,MotorSpeedB); 
}
 
else if(t == '4'){      //second Curtain down
 
  digitalWrite(11,LOW);
  digitalWrite(12,HIGH);
     
    MotorSpeedB = 50;
       
analogWrite(ENB,MotorSpeedB); 
}
 
else if(t == '5'){      //STOP (tow Curtains stop)
  digitalWrite(9,LOW);
  digitalWrite(10,LOW);
  digitalWrite(11,LOW);
  digitalWrite(12,LOW);
  }

}