#define BLUE_LED_PIN 5
#define GREEN_LED_PIN 10
#define ONBOARD_LED_PIN 13

void setup() {
  pinMode(BLUE_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  pinMode(ONBOARD_LED_PIN, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  Serial.println("Starting blink");
  digitalWrite(BLUE_LED_PIN, HIGH);
  delay(1000);
  digitalWrite(BLUE_LED_PIN, LOW);
  digitalWrite(GREEN_LED_PIN, HIGH);
  delay(1000);
  digitalWrite(GREEN_LED_PIN, LOW);
  digitalWrite(ONBOARD_LED_PIN, HIGH);
  delay(1000);
  digitalWrite(ONBOARD_LED_PIN, LOW);
  Serial.println("Blink ended, beggining new blink");
}