Questions tagged [tag]

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1answer
26 views

Related to multiple tags

I am trying to find out the following points related to multiple tags. Whether multiple tags can have same information in them or they will always have different information. Real life example of ...
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0answers
34 views

How to tell what type of RFID tag?

I have an RFID tag for access to my apartment building that I would like to clone(buying one through strata would be 100s of dollars). I have a proxmark 3 easy and have cloned tags in the past with ...
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1answer
47 views

Wireless tagging for beginners

I will preface this question with a caveat: I'm a reasonably talented programmer, but an absolute novice in electronics. This will be my first project. My dad has a 1/19th scale model railway. I'd ...
-1
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2answers
952 views

How to convert RFID UID from 10-digit type to comma separated type

I am creating application which needs to read RFID tag. In this application RFID UID is saved in comma separated type(ex. 23,192,251,159,179). But I have a reader which is getting that information in ...
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0answers
111 views

Laser Tag System Design Review

I have been working on a project to make my own laser tag gins and sensor vests. I have completed the electrical side of my design but this is the first time I have designed something like this and ...
0
votes
1answer
28 views

Variations in RFID USB Serial reader detection distance by connected device

I have a RFID reader that sends the TAG information over USB serial. I have had some troubles with it in a product where the detection success rate changes alot depending on what the USB RFID tag is ...
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1answer
1k views

Increase range of 125khz RFID Reader

Currently the range for my 125khz RFID reader is about 4 centimeters. I have opened it like below: Is there any way to increase the range to around 10 to 20 centimeters? For example, increasing the ...
-4
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2answers
359 views

KiCAD How can I install every library in existence? [closed]

I'm trying to learn KiCAD and it seems that every 5 minutes I cannot find a component and substitute a different one (e.g. substitute lm317 for a lm338) This works all right in the schematic part but ...
0
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2answers
89 views

How is a NFC "connected tag" different from a full blown NFC reader?

I have played with NFC in the past, but those were full blown "NFC readers" based on NXP pn53x chips. I want to know, how is a so called "Connected tag" different from NFC readers? I found this chip ...
-1
votes
1answer
2k views

How is one RFID reader able to read multiple tags?

Im looking to design a syystem that detects (location and identification) multiple rfid tags on a table top. Im quite new to rfid design and, i was hoping someone might point me in the right direction....
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1answer
229 views

What is the frequency of response of a FDX-B RFID Tag protocol?

I am using the HTRC110 IC for driving the antenna, and the responses are always controlled by the SCLK signal. But when I send the command to read the RFID response, the IC enters in a transparent ...
0
votes
1answer
785 views

Copy nfc NXP MIFARE Classic [closed]

I have got a NFC key to enter in my room and i want to make a copy of this key in case of loss. I read the nfc tag key with my nexus 5 with Broadcom BCM20793M NFC controller. The phone reads the tag ...
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1answer
132 views

Ask about possibilty to use Digispark Pro as RFID Tag

I have read this article that explain how to use Attiny85 as RFID tag. Using an AVR as an RFID tag Is it possible to program Digispark Pro and use it as RFID tag??
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0answers
145 views

Ideas for triangulation of a small object within 6 feet

I'm looking to build a system that can detect the location of a tag within a 6 foot range to an accuracy of one or two inches. I have briefly looked into RFID sensors but I haven't found any that ...
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2answers
3k views

Implementing Processor Core for Cache Module in Verilog

I have written a simulation module for a Direct Mapped Cache (consisting of data, tag, and valid rams and cache controller) in Verilog. I now want to implement a Processor Core/Driver (also in Verilog)...
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1answer
7k views

Design RFID tag that works with Bluetooth

Is it theoretically possible to engineer manufacture a RFID tag that works within the Bluetooth wavelength range allowing a standard booth-tooth device (a phone for example) to power and pick up data ...
1
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0answers
269 views

Build or Buy Bluetooth 4.0 BLE Tag [closed]

I am planning to create a mobile application that scans a NFC tag and performs an action based on the unique scan (tap). Because Apple iPhone do not support NFC I am forced to look for an alternate ...
4
votes
2answers
191 views

Monitoring Use of Surgical Tools

First of all, I'm a biologist, so please let me know if this question is being asked in the wrong place. I regularly perform operations on rats and recently stumbled upon the following paper (http://...
2
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1answer
5k views

Read some (unknown?) RFID tags with a chinese reader / writer (125kHZ) [closed]

Some months ago I bought this 125kHz RFID Reader / Writer from eBay. I was wondering how can I actually read or write an RFID Tag with it. So I attached it by usb to my computer (running Linux) and ...
4
votes
4answers
3k views

What PIC24 C compilers are out there, and what is your opinion or review on them?

Specifically, the PIC24 series. I tried out microchips C30 compiler, but it seems to be a bit too complicated for me, and I couldn't find any libraries with it. Then I tried CCS, and it seems far ...