#include <ESP32Servo.h>

Servo myservo;          // create servo object to control a servo
int button1Pin = 12;    // pin for button 1
int button2Pin = 14;    // pin for button 2
int button1State = 0;   // variable to store the state of button 1
int button2State = 0;   // variable to store the state of button 2
int angle = 0;          // variable to store the servo angle

void setup() {
  Serial.begin(9600);   // initialize serial communication at 9600 bits per second
  myservo.attach(18);    // attaches the servo on GPIO pin 2 to the servo object
  myservo.write(angle);
  pinMode(button1Pin, INPUT_PULLUP); // configure button 1 as an input with internal pull-up resistor enabled

  pinMode(button2Pin, INPUT_PULLUP); // configure button 2 as an input with internal pull-up resistor enabled
}

void loop() {

  button1State = digitalRead(button1Pin);  // read the state of button 1
  button2State = digitalRead(button2Pin);  // read the state of button 2
  if (button1State == LOW) {      // if button 1 is pressed
    angle = 90;                   // set the angle to 90 degrees
    myservo.write(angle);         // set the servo to the new angle
    Serial.println("Button 1 pressed"); // print a message to the Serial Monitor
    while(digitalRead(button1Pin) == LOW){} // wait for button 1 to be released
  }
  else if (button2State == LOW) {  // if button 2 is pressed
    angle = 0;                   // set the angle to 0 degrees
    myservo.write(angle);         // set the servo to the new angle
    Serial.println("Button 2 pressed"); // print a message to the Serial Monitor
    while(digitalRead(button2Pin) == LOW){} // wait for button 2 to be released
  }
  delay(20);                       // add a small delay to prevent the ESP32 from flooding the Serial Monitor with messages
}