#include <Servo.h>

Servo myServo;
int potPin = A0;

void setup() {
  myServo.attach(9);
}

void loop() {
  int potValue = analogRead(potPin);

  // Map potentiometer to 0–10 degrees
  int angle = map(potValue, 0, 1023, 0, 180);

  myServo.write(angle);
  delay(15);   // smooth movement
}