// Definindo os LEDs
#define LED_BLUE 3
#define LED_RED 4

// Definindo os Botões
#define BT1 7
#define BT2 9

void setup() {

  Serial.begin(9600);

  pinMode(BT1, INPUT);
  pinMode(BT2, INPUT);

  pinMode(LED_BLUE, OUTPUT);
  pinMode(LED_RED, OUTPUT);
}

void loop() {  
  if(digitalRead(BT1) == HIGH){
    digitalWrite(LED_BLUE, HIGH);
    delay(1000);
  }
  if(digitalRead(BT2) == HIGH){
    digitalWrite(LED_RED, HIGH);
    delay(1000);
  }
}

void LEDs_ON(){
  digitalWrite(LED_BLUE, HIGH);
  digitalWrite(LED_RED, HIGH);
}

void LEDS_OFF(){
  digitalWrite(LED_BLUE, LOW);
  digitalWrite(LED_RED, LOW);
}