Coding course part-4

 Part 4

Code -

 void setup() {
  pinMode(13,OUTPUT); //we have connected vcc to pin 13 and it is used as output
                      //we dont define negative terminal we define positive terminal only

}

void loop() {
  digitalWrite(13,HIGH); //give electricity to 13 
  delay(1000);           //delay takes time in microseconds 1000ms=1s

  digitalWrite(13,LOW); //dont give electricity to 13
  delay(1000);

}

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