How To Turn ON OFF LED using Arduino UNO

   How To Turn ON OFF LED using Arduino UNO

In this video we are going to turn on off led using arduino uno.

Circuit Diagram: 

Code :

// ON OFF LED

void setup() {

  pinMode (7, OUTPUT);

}

void loop() {

  digitalWrite(7, HIGH);

  delay(1000);

  digitalWrite(7, LOW);

  delay(1000);

}