// potent is on analog pin 0
// servo on digital pin 9
#include <Servo.h>
Servo servo;
int potentiometerVal;
int discreteVal;
void setup() {
  Serial.begin(115200);
  // pin, min, max pluse widths
  servo.attach(9, 500, 2500);
  // setup to read potentiometer input
  pinMode(A0, INPUT );

}

void loop() {
  // get the input from potentiometer
  potentiometerVal = analogRead(A0);
  // maps the 0-1023 of the ADC to 0-180 degrees for the servo
  discreteVal = map(potentiometerVal, 0, 1023, 0, 180);
  // tell servo to move the given degree
  servo.write(discreteVal);
  Serial.println(discreteVal);
  delay(100);
}