#include <Servo.h>
Servo myservo;//Assigning a servo variable
int x;
void setup() {
  // put your setup code here, to run once:
myservo.attach(11);
}

void loop() {
  // put your main code here, to run repeatedly:
 x=analogRead(A1);
 x=map(x,1023,0,180,0);
 myservo.write(x);
 delay(20);
}