#define LED 2
#define TOUCH_PIN 4

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(LED,LOW);
  digitalWrite(LED,LOW);
}

void loop() {
  delay(10); 
  Serial.println(touchRead(TOUCH_PIN));
  if(touchRead(TOUCH_PIN)<100){
    digitalWrite(LED,HIGH);
  } else{
    digitalWrite(LED,LOW);
  }
}