#include <ESP32Servo.h>

Servo servoMotor;
int pos = 0;
const int buttonPin = 23;
const int pinServo = 4;
int buttonState = 0;

void setup() {
  servoMotor.attach(pinServo);
  pinMode(buttonPin, INPUT);
  Serial.begin(115200);
  Serial.println("Hello ESP32!");
}

void loop() {
  buttonState = digitalRead(buttonPin);
  if(buttonState ==1){
    delay(350); //this speed up the simulation
  for (pos = 0; pos < 70; pos += 1) {
    // in steps of 1 degree
    servoMotor.write(pos);
  }
}

  else if(buttonState == 0){
    pos = 0 ;
    servoMotor.write(0);
  }
  Serial.print ("Motor Servo Berputar ");
  Serial.print(pos);
  Serial.print(" Derajat");
  Serial.println();
  delay(250); //this speed up semulation
}