#include <Servo.h>
// These constants won't change. They're used to give names to the pins used:
const int analogInPin = A0;  // Analog input pin that the potentiometer is attached to
const int pinservo = 9; // Analog output pin that the LED is attached to

int sensorValue = 0;        // value read from the pot
int outputValue = 0;        // value output to the PWM (analog out)

Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);
   myservo.attach(pinservo);

}

void loop() {
  // read the analog in value:
  sensorValue = analogRead(analogInPin);
  // map it to the range of the analog out:
 
  outputValue = map(sensorValue, 0, 1023, 0, 180);
  // change the analog out value:
  //analogWrite(pinservo, outputValue);
  myservo.write(outputValue); 

  // print the results to the Serial Monitor:
  Serial.print("sensor = ");
  Serial.print(sensorValue);
  Serial.print("\t output = ");
  Serial.println(outputValue);

  // wait 2 milliseconds before the next loop for the analog-to-digital
  // converter to settle after the last reading:
  delay(2);
}