  * SPI MOSI    MOSI         11 / ICSP-4   51        D11        ICSP-4           16
  * SPI MISO    MISO         12 / ICSP-1   50        D12        ICSP-1           14
  * SPI SCK     SCK          13 / ICSP-3   52        D13        ICSP-3           15
+ *
+ * @author Rotzbua
  */
 
 #include <SPI.h>

/**
* Helper to print MFRC522 module info
*/
void ShowReaderDetails() {
  // Get the MFRC522 firmware version
  byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
  Serial.print(F("Firmware Version: 0x"));
  Serial.print(v, HEX);
  if (v == 0x90)
    Serial.print(F(" = v0.0"));
  else if (v == 0x91)
    Serial.print(F(" = v1.0"));

  Serial.println(F("*****************************"));
  Serial.println(F("MFRC522 Digital self test"));
  Serial.println(F("*****************************"));
  ShowReaderVersion();  // Show version of PCD - MFRC522 Card Reader
  Serial.println(F("Performing test..."));
  bool result = mfrc522.PCD_PerformSelfTest();
  Serial.println(F("-----------------------------"));
