#include <Servo.h>
#include <ezButton.h>

const int BUTTON_PIN = 7; // button pin
const int SERVO_PIN  = 9; // servo pin
ezButton button1(BUTTON_PIN); // ezButton object, attach to pin 7
ezButton button2(12);
Servo servo;                 // servo object

int angle = 0; // initialize servo angle
void setup() {
  Serial.begin(9600);         // initialize serial
  button1.setDebounceTime(50); // debounce time to 50 milliseconds
  button2.setDebounceTime(50);
  servo.attach(SERVO_PIN);    // servo object, attach to pin 9
  servo.write(angle);         // set to initizalized angle
}
void loop() {
  button1.loop(); // call loop function at least once
  button2.loop();
  if(button1.isPressed()) {
    Serial.println("The button is pressed");
    // change angle of servo motor
    if(angle == 0)
      angle = 180;
    else if(angle == 180)
      angle = 0;
    // control servo motor arccoding to the angle
    servo.write(angle);
  }
  else if (button2.isPressed()){
    Serial.println("The second button is pressed");
  }
}