Arduino 1 Gabriel 218 6CV2 Blink

Blink de un LED

sketch 1

void setup()
{
  pinMode(4,OUTPUT);
}

void loop() 
{
  digitalWrite(4,HIGH);
  delay(3000);
  digitalWrite(4,LOW); 
  delay(2000);

}
-------------------------------------------------
Complemento sketch 2

int a=3;
int b=4;
int c=5; 

void setup() 
{
  pinMode(a,INPUT)
  pinMode(b,OUTPUT);
  pinMode(c,OUTPUT);
}

void loop() 
{
if(digitalRead(a)==HIGH)
{
  digitalWrite(b,HIGH);
}

if(digitalRead(a)==LOW)
{
  digitalWrite(b,LOW);
}

}