#define Led_Vermelho 1
#define Led_Azul     8

void setup() 
{
  pinMode(Led_Vermelho, OUTPUT);
  pinMode( Led_Azul, OUTPUT);
}

void loop() 
{
  // put your main code here, to run repeatedly:
  digitalWrite( Led_Vermelho, HIGH );
  digitalWrite( Led_Vermelho, LOW );
  delay(100);
  digitalWrite( Led_Azul, HIGH );
  digitalWrite( Led_Azul, LOW );
  delay(100);
}