#include <Servo.h>

Servo myservo;

#define ENCODER_CLK 2
#define ENCODER_DT  3

void setup() {
  Serial.begin(115200);
  pinMode(ENCODER_CLK, INPUT);
  pinMode(ENCODER_DT, INPUT);
  myservo.attach(9);
}

int lastClk = HIGH;
int count = 0;
int distance;
int perimeter = PI * 5;
int target = 100;
int pos = 0;

void loop() {
  myservo.write(pos);
  int newClk = digitalRead(ENCODER_CLK);
  if (newClk != lastClk) {
    if (newClk == LOW && digitalRead(ENCODER_DT) == HIGH) {
      count ++;
      Serial.println(count);

      distance = perimeter * count;
      Serial.println(distance);
      if (distance >= target){
        Serial.print("Wings Spread!");
        for (pos; pos <= 180; pos += 1) {
          myservo.write(pos);              
          delay(15);                       
        }
      }
    }
    lastClk = newClk;
  }
}