/*#include <Servo.h>

//SERVO
Servo servo;
int a = 0;
int b = 0;
void setup() 
{
  // put your setup code here, to run once:
  servo.attach(3);
}

void loop() 
{
  // put your main code here, to run repeatedly:
  for (int a = 0;a <= 180; a++)
  {
    servo.write(a);
    delay(5);
  }

  for (int b = 180;b >=0; b --)
  {
    servo.write(b);
    delay(5);
  }
  
}*/

#include <Servo.h>

Servo myservo;   
int val;


void setup() 
{
  myservo.attach(3);
  //pinMode(A4,INPUT);
}

void loop() 
{
  val = analogRead(A4);            
  val = map(val, 0, 1023, 0, 180);
  myservo.write(val);                  
  delay(15);                          
}