Questions tagged [Mifare] (16)

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Why read different card number?

Read the card through ironlogic z2usb, the number is: CA 5E 85 80 04 56 57 Read the card via the raspberry pi podklyuchenii via onewire matrix3 rd-all, the driver was written in C language. number: 01 56 57 80 85 04 5E EB Also read using avr atmega8 is connected via onewire matrix3 rd-all, the firmware is written in C, nu...
Marcella asked April 8th 20 at 02:28
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Where to get SDK for Mifare?

Greetings to all! Looking for a half day can not find something where you can get the Mifare SDK in Java? On the website mifare.net hard to give only the module for Android in the AAR format, but Java does not. Programming will be on the desktop Intellij IDEA, Mifare reader external connected via USB. How to be? Where to di...
sylvan35 asked March 31st 20 at 20:41
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For some reason, readers swap the bytes in the id?

There are two RFID reader that read the exact same map in different ways, why is this happening, and what you need to pay attention to parse the number correctly?
Geo_Jakubowski71 asked March 30th 20 at 00:23
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Data cloning MIFARE card possible?

Good day, I have arduino RC522 reader and some MIFARE cards(blank and encrypted). 2 Cards with self-service car washes. On the cards kept their balance(I'm sure that the balance stored on the card because to record the balance of the card administrator with a computer not connected to the network using special software). T...
kellen.Hean asked March 18th 20 at 21:07
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How to choose a smart card library to read/write?

Good afternoon. In the framework of a small project I want to use smart cards for identification: to keep within a certain ID and read it, putting the reader. While looking in the direction of the Mifare Ultralight. Reader ACR128. Advise a suitable option and how to start developing (read/write) to the card. Is it possible ...
marilyne_Lebsack asked March 13th 20 at 17:00
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The ring, operating as a credit card (nfc\rfid) — is it possible?

Good time of day. Was eager to purchase this ring because it is supported by my smartphone (Nexus 4), and you can play with locking / unlocking: ru.aliexpress.com/item/2in1-Smart-Ring-GalaRing-G1... There is a desire to rewrite on it the data of my credit cards (PayWave). In the course of this case there is a question: 1) ...
claudia.Schuppe asked September 26th 19 at 19:15
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If you can degauss RFID (Mifare), the more the phone?

Yesterday puzzled me in the subway. Glued to the phone case so the card "Plantain", which uses RFID, when they funded my card the cashier cried, saying demagnetize so. I was surprised, as they say, she's on the radio, not a magnetic stripe is the same, but wondered whether, in any case, being close to the smartphone.
amelia_Schroed asked September 26th 19 at 00:09
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How to use the app on Android 4.4 for the creation of maps to open a lock?

Good day. This: Nexus 5 Door with reader labels Mifare CT. Task is to copy the map onto the phone and use the smartphone instead of the card passage. Thanks in advance for the advice.
Rey_Carroll asked September 24th 19 at 19:42
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Is it possible to write to the Mifare card is an electronic signature?

I want to use Mifare card not only as the identifier for the access control system and various services, but also to store them on electronic signature users to sign the documents in the electronic document management system. Is it possible?
Linwood.Kuhlman asked September 15th 19 at 12:09
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Access map how to make a copy?

Roughly speaking there is a door that opens with a card is such a card, is it possible to make a copy of it? If so, how, given the conditions that more information is not present. Card is contactless what type I have no idea.
nikita.Stracke asked September 9th 19 at 17:43