diff --git a/Blink/Blink.ino b/Blink/Blink.ino
index 5c73cfa..643f6c9 100644
--- a/Blink/Blink.ino
+++ b/Blink/Blink.ino
@@ -11,16 +11,20 @@ void setup() {
 }
 
 void loop() {
+  singleOn(500);
+}
+
+void singleOn(int delayTime) {
   digitalWrite(L, HIGH);
-  delay(1000); // in ms
+  delay(delayTime);
   digitalWrite(L, LOW);
   digitalWrite(I, HIGH);
-  delay(1000); // in ms
+  delay(delayTime);
   digitalWrite(I, LOW);
   digitalWrite(N, HIGH);
-  delay(1000); // in ms
+  delay(delayTime);
   digitalWrite(N, LOW);
   digitalWrite(K, HIGH);
-  delay(1000); // in ms
+  delay(delayTime);
   digitalWrite(K, LOW);
 }