Selected articles for topic: types of rfid tags and readers
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Evaluating a UHF RFID Tag Design with Simulation | COMSOL Blog
Fanny Littmarck April 20, 2015
COMSOL Multiphysics version 5.1 introduces a new tutorial model of a UHF RFID tag. RFID tags allow you to identify and monitor both inanimate objects and living creatures through the use of electromagnetic fields. The UHF RFID tag has a wider range than other types of RFID tags and is often used to identify animals. We can evaluate the performance of the tag through...
Website:
https://www.comsol.com
How RFID Works & Antenna Design | EAGLE | Blog
How RFID Works & Antenna Design
Sam Sattel
Tips and Tricks
Tags and Readers: How RFID Works, and How to Design Your First RFID Tag Antenna
Radio-Frequency Identification (RFID) has been around for over 50 years, and in the last decade is finally cheap enough to mass-produce and place in everyday objects. This presents some new opportunities for electronics designers wanting to learn about RF and...
Website:
https://www.autodesk.com
Top 10 RFID Security Concerns and Threats | securitywing
Top 10 RFID Security Concerns and Threats
February 12, 2015
by wing
Like any other security devices and mechanism RFID is not flawless. Despite its widespread application and usage, RFID poses security threats and challenges that need to be addressed properly before deployment. This post aims to highlight several important RFID related security issues.
RFID Counterfeiting: depending on the...
Website:
https://securitywing.com
How does a UHF RFID System Work? - dipolerfid.com
How does a UHF RFID System Work?
Created at 12 of December of 2016
How does a UHF RFID System Work?
The RFID reader emits radio waves of specific frequencies through RFID antennas. The waves "give energy" to the tags so that they can communicate by emitting a unique ID. They do not need batteries and can be used for many years. The reader processes the data so that we can integrate them into our...
Website:
http://www.dipolerfid.com
13.56 MHz Passive RFID Readers - uae.gaorfid.com
High Frequency 13.56 MHz Passive RFID Readers
High Frequency 13.56 MHz Passive RFID Readers
GAO RFID's High frequency (HF)13.56 MHz readers can read tags within a distance of 1 to 12 inches and include the use of the NFC protocol. Compatible with most MIFARE[TM] tags, we offer HF 13.56 MHz readers in many form factors such as fixed readers or handheld devices that are perfect for your desktop...
Website:
https://uae.gaorfid.com
PPT - RFID Tags PowerPoint Presentation - ID:2647780
-Controversy
Electromagnetic Waves
Michael Faraday proposed in 1846 that both light and radio waves are part of electromagnetic energy.
In 1864 James Clerk Maxwell published his theory on electromagnetic fields and found that electric and magnetic energy propagate in transverse waves at the speed of light
In 1887 Heinrich Rudolf Hertz produced and studied electromagnetic waves. He concluded that...
Website:
slideserve.com
Related topics : battery assisted passive rfid tag cost / difference between passive and active rfid tags technology / rfid active reader passive tag / difference between active rfid tag and passive rfid tag / cost of active and passive rfid tags
13.56MHz HF RFID Laundry Tag Application for clothing ...
13.56MHz HF RFID Laundry Tag, the laundry industry to quickly collect�the clothing, inventory, and make it efficient.
1 How does system work
When the system is operating at an RFID high frequency of 13.56 MHz, the communication between the electronic tag. And the reader is generally carried out by means of an inductive coupling. i.e., using an induced magnetic field for energy transfer and data...
Website:
https://www.rfidntag.com
passive RFID tag - Nexess - nexess-solutions.com
Passive, Active and Semi-Passive : which RFID technology for my application ?
To choose the right RFID tag you will use for your application, let's first have a look�of the technologies available on the market :
The passive RFID tag : as its name suggests, this RFID tag is purely passive, meaning�it does not include a battery. The passive tag uses the wave (magnetic or electromagnetic) from...
Website:
nexess-solutions.com
Understanding the Different Types of RFID Tags
Understanding the Different Types of RFID Tags
Posted in:
RFID Tags
Types of RFID Tags
There are primarily three basic types of RFID tags that are familiar to most consumers who use the technology:�active, passive, and semi-passive.��When considering purchase of tags for different scenarios, pinpointing which kind of tag to use and integrate into an operation can be tricky. So let's compare...
Website:
http://blog.universalrfid.com
RFID Middleware | Bar Code India Ltd
RFID Middleware 2016-11-25T10:38:01+00:00
�
Collect and Integrate Data - Our Middleware acts as a gateway or server where it connects different systems together enabling the efficient transport of data. When tags are read by an RFID reader, the data collected can be sent directly to the middleware in order to process it and then send it where it needs to go (such as warehouse management system, system database, or any other application). Readers communicate to Middleware via Reader Edge clients and similarly for other...
Website:
barcodeindia.com
Related topics : rfid reader device / rfid tag reader system / rfid tag and reader communication / types of rfid tags and readers / rfid reader applications
The Different Types of RFID Systems | Oprfid.com
RFID systems can be broken down by the frequency band within which they operate: low frequency, high frequency, and ultra-high frequency. There are also two broad categories of RFID systems-passive and active. In the sections below we will explore the frequencies and types of RFID systems.
����RFID Frequencies
����Frequency refers to the size of the radio waves used to communicate...
Date: 2017-11-14 03:07:10
Website:
http://www.oprfid.com
RFID Readers | Passive | Semi-Passive | Active
You are here: Home > RFID > RFID Readers
RFID Readers
GAOTek RFID readers are network connected devices in which mobile or a fixed base instrument sends data or power and communicates to the tags or transponders through wireless means. It has its own antenna to emit its own unique signal and receive signals from the transponders within range. Our readers can differ from one another depending on...
Website:
gaotek.com
Self Powered RFID Tags For Mobile Temperature Monitoring ...
Self Powered RFID Tags For Mobile Temperature Monitoring Engineering Essay
Published:
Last Edited:
23rd March, 2015
This essay has been submitted by a student. This is not an example of the work written by our professional essay writers.
This paper presents a design for a self-powered radio frequency identification (RFID) tag with a thin film bulk acoustic resonate piezoelectric power supply...
Date: 1970-01-01 00:00:00
Website:
https://www.ukessays.com
Related topics : semi passive rfid tag range / active rfid tag design / active rfid tag applications / active rfid tag battery life / active rfid tag uses
Reliable & High Temperature RFID Inlay - Avante ...
These UHF RFID tags can also withstand high temperature exposure and repeated high temperature sterilization processes.
AVANTE has provided reliable and high temperature capable RFID inlets and tags in HF bands for more than ten years. Form-factors of RFID inlets vary in size and shape from as small as 1 cm square to as large as 4"x6" labels and from round CDR/DVD inlets to 5mmx5cm stripe. RFID...
Website:
avantetech.com
Related topics : very high temperature rfid tags / high temperature hf rfid tags / high temperature rfid tags / high temperature rfid tag uhf / rfid tag temperature range
Essay: RFID (Radio Frequency Identification) - Essay UK ...
Essay: RFID (Radio Frequency Identification)
Essay: RFID (Radio Frequency Identification)
Abstract'RFID (Radio Frequency Identification) uses radio wave to identify an object. It's mainly used to automatic identification of object in similar manner to barcode but it is not replacement of barcode. Different varieties of RFID tags can be found in market based on their functionalities.
Index Terms -...
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essay.uk.com
What is RFID Technology - About RFID (Radio Frequency ...
Purpose of Radio frequency Identification and Detection system is to facilitate data transmission through the portable device known as tag that is read with the help of RFID reader; and process it as per the needs of an application. Information transmitted with the help of tag offers location or identification along with other specifics of product tagged - purchase date, color, and price. Typical...
Website:
https://www.engineersgarage.com
Different Types of RFID System | Centrex Technologies
RFID systems can be broken down by the frequency band within which they operate: low frequency, high frequency, and ultra-high frequency. There are also two broad categories of RFID systems--passive and active. In the sections below we will explore the frequencies and types of RFID systems.
RFID Frequencies
Frequency refers to the size of the radio waves used to communicate between RFID system...
Website:
ctrx.com
Features of RFID tags - Centre National RFID
Features of RFID tags
�1. RFID tags classification, with or without an electronic chip
�A first classification for RFID tags is based on the presence or absence of an electronic chip.
RFID SAW tags (Surface Acoustic Wave) do not have integrated circuits.
Today they only represent a small part of the market ( a few %).
They are read-only transponders and do not include embedded energy. They...
Website:
http://www.centrenational-rfid.com
Related topics : passive rfid tag and reader / passive rfid tag uses / difference between active rfid tag and passive rfid tag / epc class 1 passive rfid tags / battery assisted passive rfid tags price
Design and Optimization of Passive UHF RFID Systems : Jari ...
Design and Optimization of Passive UHF RFID Systems
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By (author)� Jari-Pascal Curty , By (author)� Michel Declercq , By (author)� C. Dehollain , By (author)� N. Joehl
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Description
Radio Frequency IDentification (RFID) stores and retrieves data using devices called RFID tags: objects...
Website:
https://www.bookdepository.com
RFID Reader block diagram from Texas Instruments ...
The RFID (Radio Frequency Identification-13.56MHz RFID system) essentially consists of an RFID Reader/Writer (Transceiver), an HF Tag and a Processor unit interfacing to various peripherals.
HF Tags
A wide range of HF Tags are available. Physical form factor and processing requirements of the HF Tag are the primary factors that help decide which tag to use. In addition, the amount, type and security level of the information which needs to be stored on the card determine the appropriate tag. TI provides HF Tags, suitable for paper and plastic lamination. Memory sizes up to 2kBit with different security levels are available.
RFID Reader/Writer...
Website:
electronicproducts.com
Related topics : rfid tag and reader communication / rfid tag reader writer / rfid tag reader system / mobile rfid reader writer / rfid reader block diagram
An introduction to RFID Tags, Passive, UHF
RFID Tags, Passive, UHF
Definition
An RFID tag (Radio Frequency IDentification Tag) can be uniquely identified by a receiver which decodes a radio signal that the tag transmits. Passive RFID tags are not directly powered, but absorb energy radiated by the reader. The energy is stored until there is sufficient to enable the tag to transmit a short burst of radio energy that is encoded...
Date: 2017-01-19 01:23:15
Website:
http://sagedata.com
Related topics : small rfid tags long range / how much do active rfid tags cost / hf rfid tags cost / passive rfid tag and reader / passive rfid tag circuit
Stupid Simple Arduino LF RFID Tag Spoofer -Use Arduino for ...
RFID tags are all over the place. �They're used in building access control systems, passports, inventory tracking . . . � This instructable will show how you can use an Arduino and a few simple components (wire coil, transistor, capacitor, resistor) to make a device that can spoof an 125 KHz (low frequency) RFID tag. �This is version 1, so there are many enhancements that can be made, but...
Website:
http://duino4projects.com
RFID Applications: Determining the Total Cost of Ownership ...
RFID Applications: Determining the Total Cost of Ownership (TCO)
How to Determine the Total Cost of an RFID Application
Determining the cost of deploying and maintaining a radio frequency identification (RFID) application is not a trivial matter, as the magnitude of your investment will depend on several factors that may or may not influence the cost of other components within the system.
The...
Date: 2017-03-04 01:42:14
Website:
http://store.abr.com
Related topics : rfid passive tag reader cost / rfid tags and readers cost / cost of rfid readers and tags / mobile rfid reader cost / cost of mobile rfid reader
Difference Between RFID and Bluetooth
Home / Technology / Communication / Access Network / Difference Between RFID and Bluetooth
Difference Between RFID and Bluetooth
Posted on
by Indika Last updated on: May 19, 2011
RFID vs Bluetooth
Radio-frequency Identification (RFID) is a general term used for a system that communicates using radio waves between a reader and an electronic tag attached to an object. RFID system comprises of...
Date: 2017-03-03 05:26:09
Website:
http://www.differencebetween.com
Related topics : rfid tag reader system / rfid tag and reader communication / rfid tag reader software / asset tracking system using rfid / active rfid tags and readers price
SD Card UHF RFID Readers | Products & Suppliers ...
SD Card UHF RFID Readers
Information: Catalog and Supplier Database for Engineering and Industrial Professionals.
Products/Services for SD Card UHF RFID Readers
RFID Readers - (140 companies)
Images credits: Motorola; Barcoding Inc.; CNet RFID readers are devices that perceive, interrogate, and amend RFID tags which have assigned a unique electronic identity to a physical article...
ID Card...
Website:
http://www.globalspec.com
Related topics : radio frequency identification device rfid technology / radio frequency identification tags (rfid) / rfid chip card reader / rfid credit card reader writer / rfid smart card reader writer
MobiTeC - RFID Middleware 1.0
A flexible and cost-effective solution for RFID network deployment and configuration.
A product from Mobitec of IE department, CUHK.
Overview of CUHK RFID System 1.0
CUHK RFID System 1.0 is a flexible and cost-effective software complying with EPCglobal middelware specifications. It follows the architecture framework specification of EPCglobal and the Application Level Events (ALE) Specification,...
Website:
http://mobitec.ie.cuhk.edu.hk
RFID Systems | Software & Hardware | Compare 2017's Best
Looking to get lean? Need an efficient and accurate way to manage your inventory? RFID is the next step in inventory and warehouse management, providing the automation and real-time insights you need to enable more effective and accurate inventory management.
Overwhelmed? We'll help you find your ideal software solution, absolutely�free!
Find out why thousands of businesses trust Software...
Date: 2017-12-09 23:49:08
Website:
https://softwareconnect.com
passive programmable rfid animal cattle management
passive programmable rfid animal cattle management
Basic RFID Components | Beef Magazine
Transponders for radio-frequency identification (RFID) in the beef industry areElectronic circuits in the transponder can be programmed as Read Only (R/O)are placed permanently to read tags as cattle flow by a certain physical location.you to actually tie electronic identity to production and management...
Website:
http://urjaindustries.co.in
ThingMagic USB Plus+ RFID Reader - atlasRFIDstore
ThingMagic USB Plus+ RFID Reader
The ThingMagic UHF USB Plus+ RFID Reader is an affordable reader perfect for developing and deploying interactive RFID applications. Powered by the Mercury 5e-Compact UHF RFID reader module from ThingMagic, the USB RFID Reader is powered and controlled through a PC. The USB RFID Reader's small form factor, integrated antenna, deployment feasibility, and low cost...
Website:
https://www.atlasrfidstore.com
Related topics : uhf rfid usb desktop reader / thingmagic uhf usb rfid reader / usb uhf rfid reader writer / usb uhf rfid reader / small rfid reader usb
RFID Systems | Software & Hardware | Compare 2016's Best
Your Recommendations
RFID Systems: Exploring the Spectrum of Available Options
Looking to get lean? Need an efficient and accurate way to manage your inventory? RFID is the next step in inventory and warehouse management, providing the automation and real-time insights you need to enable more effective and accurate inventory management.
Overwhelmed? We'll help you find your ideal software...
Date: 2017-03-04 00:34:17
Website:
http://findaccountingsoftware.com
Related topics : asset tracking system using rfid / rfid for asset tracking and inventory management / radio frequency identification (rfid) asset tracking system / rfid inventory tracking system cost / rfid asset tracking software system
Smart tag detection techniques for chipless RFID systems
Radio Frequency Identification (RFID) is a wireless technology used to automatically identify objects attached to its tags. Its applications span in different areas such as inventory control, logistics, security and item tracking. Vast majority of commercially available RFID tags use Application-Specific Integrated Circuits (ASICs) to encode and transmit data. This micro-chip in the RFID tag...
Website:
https://figshare.com
Related topics : chipless rfid tag design / rfid tag detection range / rfid tag detection / printed chipless rfid tags / chipless rfid tag
2017 Cheap Special Price 125khz Rfid Tag+Rfid Proximity ...
Card type: 125khz rfid Card��
Return policy details
Buyers can receive a partial refund, and keep the item(s) if they are not as described or with quality issues by negotiating directly with seller within 30 days from the day the item(s) were received.
Description
Product Name: Cheap Special Price 10PCS 125khz rfid tag+RFID Proximity Card Access Control System RFID/EM Keypad Card Access Control Door...
Website:
dhgate.com
Different Types of RFID Systems | Impinj
TYPES OF RFID SYSTEMS
�
Now that you know how RFID systems work, it's time to go deeper into the different types of systems available. RFID systems can be broken down by the frequency band within which they operate: low frequency, high frequency, and ultra-high frequency.
There are also two broad categories of systems--passive and active RFID. In the sections below we will explore the...
Website:
impinj.com
RFID – Radio Frequency Identification
RFID
RFID - Radio Frequency Identification
RFID stands for Radio Frequency Identification and is a contactless technology based on the principal of the magnetic field. It supports low frequency (125/134.2 kHz), high frequency (13.56 MHz) and ultra-high frequency (between 300 MHz and 3 GHz) radio waves and is used for data transfer. It consists of an information carrier (RFID tag�or RFID card a.k.a.�transponder) and a reading device ( RFID reader or RFID scanner ). When the fields of one of those elements is within...
Website:
https://www.elatec.com
Different Types of RFID Systems | Impinj
TYPES OF RFID SYSTEMS
�
Now that you know how RFID systems work, it's time to go deeper into the different types of systems available. RFID systems can be broken down by the frequency band within which they operate: low frequency, high frequency, and ultra-high frequency.
There are also two broad categories of systems--passive and active RFID. In the sections below we will explore the...
Website:
impinj.com
RFID HACKING - hack rfid, rfid hacked, rfid security ...
for connection to PDA / Pocket PC
RFID Hack to Copy RFID
�
This compact RFID reader module connects to a PDA / Pocket PC through the CF card interface� (PDA not included but can be purchased cheaply on Ebay). To install, just plug in RFID reader module into the CF card slot on a PDA or Pocket PC.� Next, install the software by way of data synchronization to the...
Date: 2016-03-22 14:54:04
Website:
http://www.hackershomepage.com
Related topics : rfid card reader writer software / cf rfid reader card / rfid card reader writer ebay / rfid card reader software / rfid card reader writer
RFID File Tracking Software Systems
Home | Applications | Is Tracking For You? | Software Features | Versions | Tech Support | About Us | Contact Us | Links
In an information economy, the ability to find files and documents fast is critical. RFID technology is the technology helping businesses reduce the time it takes to inventory client records and locate misplaced files.
RFID (Radio Frequency Identification)...
Website:
http://www.filetrackingsoftware.com
Related topics : rfid file tracking software / rfid based file tracking system / rfid file tracking system / radio frequency identification (rfid) asset tracking system / rfid asset tracking software system
EPIC - Children and RFID Systems
ACLU criticizes ID badges at Brittan board meeting , by Kymm Mann, Appeal-Democrat, Feb. 9, 2005.
Privacy Groups Criticize RFID Tags for Kids, Communications Daily, Feb. 7, 2005.
News about the Sutter school RFID trial: , San Jose Mercury News, Jan. 28, 2005.
Introduction
Radio Frequency Identification (RFID) is a type of automatic identification system. The purpose of an RFID system is to enable...
Website:
epic.org
Related topics : active rfid tags and readers price / rfid tag reader system / active rfid tag and reader / anonymous tracking using rfid tags / active rfid tag reader
심천 사물인터넷 박람회 IOTE 2017 - icetour.co.kr
[RFID Products]
RFID Chip (Compliant with LF, ISO15693, ISO14443, ISO18000 and EPC standards)
RFID label antenna (made of aluminum, sliver, copper, and etc), productive machine of RFID label antenna
RFID standard cards or RFID labels
Special RFID tags (with special form, or applied in extremely environments, such high temperature, high pressure, metallic and chemical environment)
Manufacturing...
Website:
http://www.icetour.co.kr
Enhanced UHF RFID Sensor-Tag - cst.com
RFID, sensor, tag, UHF
Abstract:
A cost-effective integration of passive UHF RFID tags and sensors is still a challenge. In such a field, authors have already proposed a label-type multi-antenna Sensor-Tag, an RFID device...
Website:
https://www.cst.com
Overcoming RFID Limitations - AIDC 100
By Chris Kapsambelis
Overview
Several supply chains are moving to the use of RFID (radio frequency identification) in logistics applications. RFID has many desirable capabilities but based on extensive testing and dealing with the laws of physics, there are real and practical...
Date: 2010-10-25 13:30:00
Website:
http://www.aidc100.org
Related topics : rfid tag reader system / passive rfid tag read range / active rfid tag read range / rfid active reader passive tag / rfid tag read range
Potential Breakthrough in Passive RFID Tag Design and ...
A new RFID passive tag design - the type of tag typically used in retail as well as many other applications - from engineers at North Carolina State University is said to result in tags that are 25% smaller than current versions and are therefore less expensive.
Supply Chain Digest Says...
Brian Kelly, director of supply-chain management at Johnson Controls, said he hopes someday to have RFID...
Website:
http://www.scdigest.com
RFID Requirements - Compliance Guides - easysoftcorp.com
To Do
RFID is in-addition-to BARCODING
If you dissect an RFID tag you will find an inlay on the adhesive side of the label. The inlay contains an RFID chip that is integrated with a thin-film squiggly antenna. The antenna is fairly large while the RFID chip in the center checks-in at about 1 mm by 1 mm square. Any printer can apply print to a label surface, but to print the label surface AND...
Website:
https://easysoftcorp.com
Related topics : 433 mhz ultra high frequency active rfid tags / 433 mhz ultra high frequency active rfid / epc class 1 passive rfid tags / passive uhf rfid tag range / uhf passive rfid tag reader
What is the difference between RFID technology and ...
Bill Hardgrave , Information Systems , Sam M. Walton College of Business , technology
Bill Hardgrave, professor of information systems in the Sam M. Walton College of Business, executive director of Information Technology Research Institute and director of the RFID Research Center, replies:
Fundamentally, radio frequency identification (RFID) is one example of a family of auto-identification...
Website:
https://researchfrontiers.uark.edu
Related topics : radio frequency identification tags (rfid) / rfid radio frequency identification tags / radio frequency identification technology (rfid) / radio frequency identification technology rfid / radio frequency identification (rfid) chip
Handheld RFID Reader in Bangalore - Manufacturers and ...
389, Blue Moon Building, Terrace Floor, 9th Main, Sector-7, Karnataka - 560102, India
https://www.exportersindia.com/curious-venture-company4072246/
Rfid Readers
With a software adjustable read distance up to 3 feet (0.91 m), the USB Plus+ supports a variety of applications, including RFID tag commissioning, manufacturing WIP, document tracking, library book check inout, retail point of sale, event and hospitality services, hospital patient workflows, and more. UHF, EPCglobal Gen 2 (ISO 18000-6C) compliant Anti-Collision & Dense reader mode (DRM) Internal linear polarized...
Date: 2018-01-03 08:04:31
Website:
exportersindia.com
Radio Frequency Identification Overview - Sagebrush Tags
Radio Frequency Identification Overview
What is Radio Frequency Identification (RFID)?
RFID, also known as electronic identification (EID), is an automatic identification and data-capture system comprised of one or more readers and one or more transponders (tag) that transmit and receive on a specific radio frequency. RFID gives producers the ability to quickly, easily and accurately capture...
Website:
http://www.sagebrushtags.com
Asset Tracking & Inventory Management Systems, Software ...
What Is Asset Tracking And Inventory Management?
Organizations strive to gain greater control and efficiencies when managing their assets--technology systems, office equipment, and people. These tools help manage the complete lifecycle of particular assets, track their location to ensure assets are not missing or stolen, and ensure upgrades and system deployments run effectively. Both barcode...
Website:
https://www.cdw.com
Related topics : tracking and asset management using rfid / rfid for asset tracking and inventory management / radio frequency identification (rfid) asset tracking system / asset management system using rfid / rfid technology in asset management
RFID Types - Wide RFID range of capability and cost choices
Types of RFID
There are several RFID technology types available, each offering different capabilities.
CoreRFID's expertise means that we are best placed to help you select the most relevant RFID types for your business.
We are happy to discuss your requirements with you ( just contact us ), but the table below gives an overview of the main alternative RFID types.
LF & HF Passive RFID
Low...
Website:
http://www.corerfid.com
Rugged RFID Tags For Bin & Container Tracking | Decade ...
RFID Tags and Systems
What is RFID?
Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. There are several methods of identification, but the most common is to store a serial number that identifies a person or object, and perhaps other information, on a microchip that is attached to an antenna (the chip and...
Website:
http://www.decadeproducts.com
Related topics : small rfid tags long range / programing rfid tags / rfid tags human implants / rfid tag and reader price / rfid tag and reader circuit
ELEX IDEA BLOG: RFID-Based Security System (Circuit Diagram)
RFID-Based Security System (Circuit Diagram)
A radio-frequency identification (RFID) based access-control system allows only authorised persons to enter a particular area of an establishment. The authorised persons are provided with unique tags, using which they can access that area.
The system is based on micro controller AT89C52 and comprises an RFID module, an LCD module for displaying...
Date: 2018-09-17 04:49:32
Website:
elexidea.blogspot.com