/*
 Blink
  Blink onbaord Arduino Uno LED using  Arduino IDE
  Written on 18 March 2022
  by Kiran Wakchaure
*/
const int ledpin=13;

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(ledpin, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
 
  digitalWrite(ledpin, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(500);                       // wait for a second
  digitalWrite(ledpin, LOW);    // turn the LED off by making the voltage LOW
  delay(500);                       // wait for a second
}