diff --git a/the-cup.ino b/the-cup.ino
index 4b7cf62..33018ba 100644
--- a/the-cup.ino
+++ b/the-cup.ino
@@ -119,18 +119,19 @@ void byte_to_string(byte array[], unsigned int len, char buffer[]) {
 }
 
 void displayError() {
-  for (unsigned int i = 0; i < 6; i++)
-  {
-    digitalWrite(LED_PIN, HIGH);
-    delay(600);
-    digitalWrite(LED_PIN, LOW);
-    delay(300);
-  }
+  blink(6, 300);
 }
 
 void displaySuccess() {
-  digitalWrite(LED_PIN, HIGH);
-  delay(1000);
-  digitalWrite(LED_PIN, LOW);
-  delay(300);
+  blink(1, 1000);
+}
+
+void blink(unsigned int times, unsigned int duration) {
+  for (unsigned int i = 0; i < times; i++)
+  {
+    digitalWrite(LED_PIN, HIGH);
+    delay(duration);
+    digitalWrite(LED_PIN, LOW);
+    delay(duration);
+  }
 }