#include <Servo.h>

Servo myservo1;  
Servo myservo2;  

void setup() 
{
  myservo1.attach(9); 
  myservo2.attach(10); 
}

void loop() {
  // 5 lần quay chậm cho mỗi servo
  for (int i = 0; i < 5; i++) {
    for (int pos = 0; pos <= 180; pos += 1) { 
      myservo1.write(pos);
      myservo2.write(pos);              
      delay(15);                       
    }
    for (int pos = 180; pos >= 0; pos -= 1) { 
      myservo1.write(pos);
      myservo2.write(pos);              
      delay(15);                       
    }
  }

  // 5 lần quay nhanh cho mỗi servo
  for (int i = 0; i < 5; i++) {
    for (int pos = 0; pos <= 180; pos += 1) {
      myservo1.write(pos);
      myservo2.write(pos);              
      delay(5);                        
    }
    for (int pos = 180; pos >= 0; pos -= 1) {
      myservo1.write(pos);
      myservo2.write(pos);              
      delay(5);                        
    }
  }
}