The smart-card tag has no wiki summary.
0
votes
0answers
17 views
SmartCard, MagneticCard and RFIDCard Reader in a sngle module with RS232 interface
I difficult to find a SmartCard, MagneticCard and RFIDCard Reader in a single module and use RS232 interface. Most in the market is to use a USB interface, while I need RS232 interface. I want ...
0
votes
0answers
27 views
Smart card dump reader
I have a smart card that I need to dump but I don't know if it's possible. I guess it has a SLE4404 chip. Could somebody give me some information? Links or something because I've been searching the ...
0
votes
0answers
153 views
What are these randomly distributed metal pieces on this chip close-up?
Here is a post about extracting electronics out of a smart card. Here're two photos from there (arrows on the second photo are irrelevant to this question):
Note that on both photos the chip is ...
6
votes
3answers
173 views
How does rewinding a smart card antenna into a smaller coil leave it operational?
Here is a description of how one guy extracted the electronics from a smart card and then embedded it into a ring wearable on a finger.
The card in question is more or less similar to the card in ...
1
vote
1answer
261 views
Is it possible to shortcircuit/damage an EMV card without a current source?
I've recently was accosted^H^H^H^H^H^H^H^ sorry, was gifted by the bank with contactless debit cards. They're standard EMV ("chip and PIN") cards apart from that.
I've decided to buy "card ...
16
votes
2answers
192 views
What's the need for conductive bridges between the regions of a smart card contact pad?
Here's a scan of a "chip-and-pin" Visa Electron contact pad
It looks like a metal plate divided into regions by narrow cuts. Look for example at regions marked A ...
11
votes
3answers
509 views
What's the purpose of such weird wiring inside this smart card?
Here's a scan of a stripped MIFARE Ultralight smart card
That's some plastic film with (I assume aluminum) foil wiring acting as the antenna for both powering the chip and providing radio ...
0
votes
1answer
445 views
Detecting whether the card is present or not in a smart card reader
Recently I bought a 32320 Smart Card Reader. I had no trouble making the circuit, but I could not figure out what command to use to tell if the card is in or not. Any ideas?
0
votes
0answers
77 views
How to make cards for POS? [closed]
My project is one similar to an automated dispensing system, and I want to use custom made cards which can be written to (by the PC) and read (by the machine). However I don't even know what this card ...
2
votes
3answers
1k views
How do I shield a card like Visa payWave and MasterCard PayPass to block its communication?
This is basically a replication of this question on Personal Finance SE. Suppose there's a wireless smart card like Visa payWave or MasterCard PayPass or MIFARE Ultralight. The owner wants to ...
1
vote
1answer
365 views
RTU card of SCADA systems
In most of electrical SCADA systems, RTU (Remote Terminal Unit) panels are very common in power transmission & distribution companies. There are several cards inside each RTU panel, some are ...
1
vote
1answer
430 views
Visa payWave, MasterCard PayPass and ExpressPay, NFC and RFID
Since all those technologies use RFID contactless smart card and
EMV, are they compatible? Is contact-less Visa card compatible with the
Mastercard system?
Are the systems compatible with NFC? I.e. ...
7
votes
3answers
405 views
Is there an electrical design reason for phone SIM cards being inaccessible until a battery is detached?
So far I haven't seen a cell phone that allows to detach the SIM card without first detaching the battery - the SIM card is placed behind the battery and inaccessible unless the battery is detached.
...
0
votes
2answers
686 views
Difference Between Contact and ContactLess smart cards
What's the difference between the contact and contactless smart cards more technically and physically is there identification to distinguish them ?
EDIT: Some smart cards like debit card will have ...
1
vote
1answer
379 views
8051 SMARTCARD DESIGN
I'm trying to design a smart card interface using one 8051 UART and a Pierce oscillator circuit.
The project seems to be working, because I'm getting response from the smart card. However, I'm having ...
5
votes
2answers
277 views
Why are chips used in electronic identity cards?
Why did Germany choose NXP's SmartMX chip in the new Electronic ID Card (see here) instead of having a more conventional solution, like an old credit-card-like approach?
In fact, the question is ...
3
votes
1answer
335 views
Serial Smart Card Readers
I have a smart card that is used with a Respironics CPAP machine. I need to read the data off of the card. I have the Windows software for the card but I don't have a card reader just yet. Many ...
