/* Blinking a LED and print to Serial

Circuit Connections:
PIN_2 => LED_Anode - LED_Cathode = > Resistor 220Ω => Gnd

PIN_0 => Serial_RX
PIN_1 => Serial_TX
*/

//The setup() function initializes and sets the initial values
//It will only run once after each power up or reset
void setup()
{
  //Configure the PIN_2 to behave as output
  pinMode(2, OUTPUT);
  //opens serial port, sets data rate to 9600 bps
  Serial.begin(9600);
}

//loops consecutively
void loop()
{
  digitalWrite(2, HIGH); //Write a HIGH value (5V) to a digital pin
  Serial.println("LED is ON");//sent data
  delay(5000); // Pauses the program for 5000 milliseconds
  digitalWrite(2, LOW); //Write a LOW value (0V) to a digital pin
  Serial.println("LED is OFF");//sent data  
  delay(5000); // Wait for 5000 milliseconds
}