#include <Servo.h>

Servo myservo;  // create servo object to control a servo

int pos = 0;    // variable to store the servo position
int potValue = 0; // potentiometer value

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  Serial.begin(9600);
}

void loop() {
  
  potValue = analogRead(A0);  // get the potentiometer value

  pos = map(potValue, 0, 1023, 0, 180); // map the pot value to the 180 degrees for the servo

  Serial.println(pos);

  myservo.write(pos);
}