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how to read power labels on home appliances?

I want to know how to read the power label of a home appliance in order to estimate energy cost. I have provided a picture of an example power label What i understand from the provided label is I use ...
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0 answers
30 views

Receiver antenna design for reading PIT tags implanted in snakes and reptiles

I am talking to a local conservation outfit trying to replace active implantable radio tags with passive PIT tags (I do not know who the manufacturer is). These active tags are really tiny glass ...
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1 vote
1 answer
141 views

125 kHz RFID antenna and read range relation

I have designed 125 kHz RFID reader circuit with which I can read regular card type tags around 4-5 cm and key tag type around 2 cm range. You can see my current circuit and antenna information from ...
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  • 69
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1 answer
28 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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  • 3
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0 answers
42 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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0 votes
1 answer
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 ...
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-1 votes
2 answers
2k 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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  • 101
1 vote
0 answers
127 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 ...
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0 votes
1 answer
32 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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  • 349
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1 answer
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 ...
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-3 votes
2 answers
394 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 ...
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0 votes
2 answers
91 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 ...
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-1 votes
1 answer
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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  • 11
1 vote
1 answer
276 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 ...
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0 votes
1 answer
855 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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0 votes
1 answer
138 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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1 vote
0 answers
149 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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0 votes
2 answers
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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  • 127
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1 answer
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 ...
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1 vote
0 answers
270 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 ...
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4 votes
2 answers
194 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://...
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  • 141
2 votes
1 answer
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 ...
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4 votes
4 answers
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 ...
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  • 1,060