#define LED1  12
#define SW 19
byte ledStatus = 1;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(LED1, OUTPUT);
  pinMode(SW,INPUT_PULLDOWN );
}

void loop() {
if(digitalRead(SW)==HIGH){
  Serial.println("press!");
  digitalWrite(LED1,ledStatus);
  ledStatus=!ledStatus;
}
  /*
  //Serial.parseInt(digitalRead(SW));
  if(digitalRead(SW)==HIGH){
    digitalWrite(LED1, HIGH);
    delay(1000);
  }
    else if (digitalRead(SW)==LOW);{
    digitalWrite(LED1, LOW);
    delay(1000);
  }
  // put your main code here, to run repeatedly:
  
  delay(10); // this speeds up the simulation
  digitalWrite(LED1,LOW);
  Serial.println(LED off");
  delay(1000);
  digitalWrite(LED1,HIGH);
  Serial.println(LED on");
  delay(1000);
  */

}