#include <Servo.h>

Servo myservo;  

const int buttonCW = 4;
const int buttonCCW = 3;
const int buttonStop = 2;


const int ledCW = 10;
const int ledCCW = 11;
const int ledStop = 12;

int posCW = 180;  
int posCCW = 0;   
int posStop = 90;

void setup() {
  myservo.attach(9);  

  pinMode(buttonCW, INPUT_PULLUP);
  pinMode(buttonCCW, INPUT_PULLUP);
  pinMode(buttonStop, INPUT_PULLUP);

  pinMode(ledCW, OUTPUT);
  pinMode(ledCCW, OUTPUT);
  pinMode(ledStop, OUTPUT);

  myservo.write(posStop);
 
  digitalWrite(ledCW, LOW);
  digitalWrite(ledCCW, LOW);
  digitalWrite(ledStop, LOW);
}

void loop() {
  if (digitalRead(buttonCW) == LOW) {
    myservo.write(posCW);
    digitalWrite(ledCW, HIGH);
    digitalWrite(ledCCW, LOW);
    digitalWrite(ledStop, LOW);
  } else if (digitalRead(buttonCCW) == LOW) {
    myservo.write(posCCW);
    digitalWrite(ledCW, LOW);
    digitalWrite(ledCCW, HIGH);
    digitalWrite(ledStop, LOW);
  } else if (digitalRead(buttonStop) == LOW) {
    myservo.write(posStop);
    digitalWrite(ledCW, LOW);
    digitalWrite(ledCCW, LOW);
    digitalWrite(ledStop, HIGH);
  } else {
    
    digitalWrite(ledCW, LOW);
    digitalWrite(ledCCW, LOW);
    digitalWrite(ledStop, LOW);
  }
}