Questions tagged [desfire]
3 questions
5
votes
2 answers
What is the difference between ISO/IEC 14443 and ISO 7816 smart cards
I am trying to build my own smart card decoder and I found that the smart card with the most popularity in terms of security and utility is the Mifare Desfire EV1 which is pretty much industrial grade. The second card I found was the Parallax…
Arnaud Dorval
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1
vote
1 answer
DESFIRE does not reply to REQA from MFRC522
I'm writing an stm32 driver for the NXP MFRC522 ISO14443A PCD but cannot get it to talk to DESFIRE cards.
My code will correctly identify both Mifare Classic (4-byte) and NTAG203F (7-byte) PICCs and it can correctly read the contents of an NTAG203,…
William Brodie-Tyrrell
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0
votes
1 answer
Simple Fire Alarm Circuit using transistor not simulating correctly
there am student of BSSE but we studied Applied physics, our teacher give us project.
Am working on it but when i simulate it, this gives me error at Transistor and Speaker.
here is my…
lablnet
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