const int pb1 = 14;
const int pb2 = 12;
const int led1 = 26;
const int led2 = 27;

bool btn1 = false;
bool btn2 = false;

bool lastPb1State = false;
bool lastPb2State = false;
bool led1State = false;
bool led2State = false;

void setup() {
  
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(pb1, INPUT_PULLUP);
  pinMode(pb2, INPUT_PULLUP);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
}

void loop() {

  btn1 = !digitalRead(pb1);
  btn2 = !digitalRead(pb2);

  if (!btn1 && lastPb1State) {
    digitalWrite(led1, HIGH);
  }
  lastPb1State = btn1;

  if (btn2) {
    digitalWrite(led1, LOW);
  }

  Serial.print(btn1);
  Serial.print("/");
  Serial.println(lastPb1State);


  delay(100);
}