/*
 * https://circuits4you.com
 * ESP32 LED Blink Example Board ESP32 DEVKIT V1
 * 
 * ON Board LED GPIO 15
 */

#define LED 15

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

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000);
  digitalWrite(LED,HIGH);
  delay(1000);
  digitalWrite(LED,LOW);
}