#include <ESP32Servo.h>

  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
int servoPin = 18;
int pushbutton = 12;

Servo myServo;
int Buttontate=0;
int lastButtonState=0;
void setup() {
pinMode(12,INPUT);
myservo.attach(18);
}

void loop(){
  buttontate=digitalRead(12);
  if (buttonState!=lastButtonState){
  if (buttonState==HIGH){
myServo.write(180);
  } else {
    myServo.write(0);
  }
  delay(50);
  }
  lastButtonState=buttonState;
}