#include <Servo.h>
#define PIN_LED 4
#define PIN_LED2 5
#define PIN_BTN 15
#define PIN_PWM 2
Servo ptr;

int value = 0;

void setup(){
  Serial.begin(115200);
  Serial.println("Start !");
  pinMode(PIN_LED, OUTPUT);
  pinMode(PIN_LED2, OUTPUT);
  pinMode(PIN_BTN, INPUT);
  pinMode(PIN_PWM, OUTPUT);
  ptr.attach(5);
}

void buttonPush(){
  if(digitalRead(PIN_BTN)==HIGH){
    digitalWrite(PIN_LED2, HIGH);
    // Serial.println("BUTTON DITEKAN !");
  }else{
    digitalWrite(PIN_LED2, LOW);
    // Serial.println("BUTTON TIDAK DITEKAN !");
  }
}

void pwm(){
  value = analogRead(PIN_PWM);
  int reduction = value / 8;
  analogWrite(PIN_LED, reduction);
  Serial.print("data: ");
  Serial.println(reduction);
}

void loop(){
  buttonPush();
  pwm();
}