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examples/firmware_check/firmware_check.ino

@@ -54,6 +54,9 @@ void setup() {
 
 void loop() {} // nothing to do
 
+/**
+* Helper to print MFRC522 module info
+*/
 void ShowReaderDetails() {
   // Get the MFRC522 firmware version
   byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);