Arduino LED blinking program using Arduino Uno board

In this article we are showing Arduino LED blinking program using Arduino Uno board and how to write your first program in Arduino to blink LED.

If you are not familiar with Arduino IDE, visit this: Arduino IDE | Arduino | Open Source Hardware/Softawre | Arduino Vs RPi

Components you needed :-

  1. 1 x Arduino uno board
  2. 1 x USB cable
  3. 1 x Bread board
  4. 1 x LED
  5. 2 x Jumper wire (Male to Male)

arduino led blinking

Sketch/Source Code :-

int PINNo=5;
void setup() {
pinMode(PINNo,OUTPUT);
}
void loop() {
digitalWrite(PINNo,HIGH);
delay(2000);
digitalWrite(PINNo,LOW);
delay(2000);
}


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