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Added NDEF key warning

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commit 559251d48d7d599c00ab0fb608e164b378614780 1 parent 679cad9
K. Townsend authored
Showing with 5 additions and 0 deletions.
  1. +5 −0 examples/mifareclassic_formatndef/mifareclassic_formatndef.pde
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5 examples/mifareclassic_formatndef/mifareclassic_formatndef.pde
@@ -55,6 +55,11 @@ void setup(void) {
nfc.SAMConfig();
Serial.println("");
+ Serial.println("PLEASE NOTE: Formatting your card for NDEF records will change the");
+ Serial.println("authentication keys and you will no longer be able to read the");
+ Serial.println("card as a normal Mifare card without resetting all keys. Try to keep");
+ Serial.println("seperate cards for NDEF and non-NDEF purposes.");
+ Serial.println("");
Serial.println("Place your Mifare Classic card on the reader to format with NDEF");
Serial.println("and press any key to continue ...");
// Wait for user input before proceeding
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