void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(35, INPUT);
  pinMode(27, OUTPUT);
}

void loop() {

  Serial.println(digitalRead(35));
  digitalWrite(27, digitalRead(35));
}


// slide switch pin:
// 3V3, Dxx, GND
// digital