// Flashing Light Prize (1)
// pkvi
#include <Servo.h>
Servo wave;
// Pot Analog Pin 0
int pot = A0;
// Delay Value
int val = 0;
// Servo Positions
int fro = 0;
int bac = 160;
int pos = 0;
void setup() {
  Serial.begin(9600);
  wave.attach(5);
  wave.write(pos);
}
void loop() {
  // Read Potentiometer
  val = analogRead(pot);
  // Print Value
  Serial.println(val);
  // Map Pot to Delay Value
  val = map(val, 0, 1023, 0, 20);
  // Print Value
  Serial.println(val);
  // Back
  for (pos = fro; pos <= bac; pos += 1)
  {
    wave.write(pos);
    delay(val);
  }
  // Forward
  for (pos = bac; pos >= fro; pos -= 1)
  {
    wave.write(pos);
    delay(val);
  }
}