#define led1 12
#define led2 13
#define bt1 18

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(bt1, INPUT);
  Serial.println("Hello, ESP32!");
}

void loop() {
  int buton=digitalRead(bt1);
  if (buton== 1)
  {
    Serial.println("ON");
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    delay(1000);
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    delay(1000);
  }
  if (buton== 0)
  {
    Serial.println("OFF");
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    delay(1000);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    delay(1000);
  }
  delay(10); // this speeds up the simulation
}