ESP32 LED Blink with［delay］

/*********************************************/
/*             最もシンプルなLチカ             */
/*********************************************/

#define OnB_LED 2
 
void setup() {
  pinMode(OnB_LED, OUTPUT);
}
  
void loop() {
  digitalWrite(OnB_LED, HIGH);
  delay(1000);
  digitalWrite(OnB_LED, LOW);
  delay(1000);
}