Pn532 module test instructions link: link: https://pan.baidu.com/s/10bBbPp0rKObueliD_ RcdOw 
Extraction code: uih4
Software and tutorial download link: https://pan.baidu.com/s/1wBqGd6sMBIFmykHv3pUv6w 
Extraction code: 7jil

Delivery list:
Pn532 serial port motherboard, 1 piece
Cuid white card, 1
Cuid keychain, 1

Cuid card description and other card categories, 2-5 is the copy card

Cuid card description and other card categories, 2-5 is the copy card, 1. M card: ordinary IC card, sector 0 can not be modified, other sectors can be repeatedly erased, we use the elevator card, access card and other smart card issuers are using M1 card, not copy card, can be understood as the copied card. Taobao is a gift of M1 blank test card;
2. Uid card: ordinary copy card, which can erase and write all sectors repeatedly, and the firewall will be invalid when it meets;
3. Cuid card: upgrade the copy card, shield the uid copy card system can use cuid instead of uid, 70% pass rate. It can erase and write all sectors repeatedly;
4. Fuid card: advanced copy card. It is used when cuid copy is useless. Sector 0 can only be written once, and once it is written, it becomes M1 card. 100% copy is successful. After it is written, other sectors except sector 0 can be erased repeatedly;
5. Ufuid card: advanced copy card, we understand it as a composite card of uid and fuid, which needs to be sealed. After the card is sealed, it becomes M1 card, and if it is not sealed, it is uid card.

FAQ

1. What cards can the machine copy?
The machine can copy the elevator card of the entrance guard in the community, otherwise it can not be used for illegal purposes
Meal card, bank card, credit card, campus card, etc.
2. Can I change date, floor and amount data?
The device only has the function of clone and copy, without the function of changing the amount of money, so we can't provide this kind of teaching.
3. Can I copy the parking card in the basement?
Some of the parking cards can be copied. You need to confirm the card type and whether you want to enter or leave by swiping the card. If you bring one in and one out restrictions, after the main card enters, the copied card cannot enter.
4. What is c card and ID card, how to distinguish?
IC card and D card are two different types of chip cards. Different cards need different machines and copy cards to copy and clone. See the introduction below for details of the resolution method!
5. Why can't I write data to my old card?
Ordinary card and copy card are two different cards. Because the chip of ordinary card has been solidified and written dead, it can't write information, so it can't be used as copy card. You need to buy a special copy card to copy!
6. Can multiple clips fit together?
Can't combine multiple cards, a copy of empty card can only write the information of one card!
7. Decryption success, copy write card after not easy to use is how to return a responsibility?
The access control elevator system with firewall will identify and detect the copy card, so as to shield it. At this time, the special copy card of firewall type needs to be used, and the card will be locked after writing, so as to achieve the copy effect.
8. Is decryption copy 100% successful?
As the use of machine copy card belongs to the technical category, different access control elevators in the market use different technologies, most of them can be copied! But there is no guarantee of 100% success!