diff --git a/the-cup.ino b/the-cup.ino
index 323e4d9..89ad5cf 100644
--- a/the-cup.ino
+++ b/the-cup.ino
@@ -79,6 +79,9 @@ void setup() {
   pinMode(RC522_POWER_PIN, OUTPUT);
   digitalWrite(RC522_POWER_PIN, HIGH);
   reader.PCD_Init(); // Init each MFRC522 card.
+  #ifdef DEBUG
+    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);	// Show details of PCD - MFRC522 Card Reader details.
+  #endif
 }
 
 void loop() {