/*
  ESP 32 Blink
  Turns on an LED on for one second, then off for one second, repeatedly.
  The ESP32 has an internal blue LED at D2 (GPIO 02)
*/

// int LED_BUILTIN = 02;  // this var is defined in pins_arduino.h for  DOIT ESP32 DEVKIT V1

void setup() 
{
  // this code run only once:
  pinMode(LED_BUILTIN, OUTPUT);

  //serial monitor setup
  Serial.begin(115200);
}

void loop() 
{
  Serial.print("Hello");
  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(250);                         // wait for 0.250 seconds

  Serial.print(" World!!\n");
  digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
  delay(250);                       // wait for 0.250 seconds
}