   });
 }
 
-// Blink LED2 using sleep()
-void blink_led2() {
+// Blink LED2 with sleeping and awaking
+void blinkLed2() {
   digitalWrite(LED2, HIGH);
   sleep(TIC * 2, [&] {
      digitalWrite(LED2, LOW);

  });
}

// Blink LED3 using sleep()
void blink_led3() {
  digitalWrite(LED3, LOW);
  sleep(TIC * 2, [&] {
     digitalWrite(LED3, HIGH);

  });
}

