Radio Frequency IDentification
11
votes
3answers
507 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 ...
1
vote
2answers
182 views
If I have drawn an IC. Are there any manufucters that you can go too tom implement it? [duplicate]
Possible Duplicate:
How much does it cost to have a custom ASIC made?
I have drawn a IC for an RFID application. And I want the IC to be super small. I wonder if there are manufacturers I ...
1
vote
4answers
568 views
Combining RFID badges
I have multiple RFID cards that I use to get into parking garages at the office, client site, home, parents place, etc, etc, etc.....
I'd like to either
A) combine all of these into 1 card or ...
5
votes
5answers
2k views
Options for short range distance determination between two objects
I have a project idea in mind, but it involves calculating the distance between two people. I've looked into Bluetooth, RFID, and NFC (unsure about this one), but none appear to offer the accuracy I ...
6
votes
3answers
987 views
RFID Antenna Array
Is it possible to connect more than one antenna to a single RFID reader module in order to pick up two different RFID chips at once?
I would like to create an arduino project like this..
-1
votes
4answers
173 views
Following a Person In Real Time Using RFID
I am carrying out a project in which a trolley or carrier follows a person and follows him continuously wherever he moves inside a shopping complex or at airport.
I am confused whether to use RFID or ...
3
votes
1answer
284 views
RFID tags orientation issue…how to fix?
We have a product that is a toy bug net. At the bottom of the bug net is a coil that reads bugs with RFID tags in them.
For most of the bugs this seems to work fine and the net is able to identify ...
2
votes
3answers
399 views
How can I locate items from a phone? RFID?
I'd like to be able to put something small on items (eg glasses, car keys, etc) and have an Android or iPhone app that will tell me the direction or proximity of a certain item. Current phones usually ...
1
vote
1answer
532 views
Are there types of passive RFID tag which can connect to control logic?
its been a few years since i've done any electronics but have been asked to research the viability of an idea and have gotten stuck...
We want to transmit a timing signal from RFID readers which will ...