Reading and writing data in a Mifare UltraLight Card, with a Prox’N’Roll
DOWNLOAD AND READ THE DOCUMENTATIONS First thing to do is to obtain the documentation of the card from the manufacturer (NXP in this case) and the Prox’N’Roll developer’s reference manual. From the card’s functional specifications, we can see that the memory is structured in 16 pages of 4 bytes. The four first pages (0-3) contain … Read more