Rfid

RFID based security system using AVR ATmega32 microcontroller

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RFID technology brought a great revolution in our life as it simplifies the machine communication. RFID’s are used almost everywhere today Schools, hospitals, industries and much more. This article teaches you to build a simple RFID based security system using AVR microcontroller which is reliable and cost efficient. You gotta be familiar with working principle […]

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How to interface RFID with AVR ATmega32 microcontroller

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RFID is most arguably a evolutionary wireless technology which boosted working of embedded devices up to great mark. And there is plenty of systems and devices working based on this technology. This article is focused to teach you how to interface RFID with AVR microcontroller. Before moving on to that interfacing part let’s begin with

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RFID Based Attendance System – Circuit, Working, Source Code

Leave a Comment / Sensor - Transducer - Detector Projects /

Attendance in colleges is generally paper based which may sometimes cause errors. Taking attendance manually consumes more time. So the proposed attendance system uses RFID technology to take attendance. In this system, each student is issued an RFID tag. Controlling unit is in the institute. Whenever the card is placed near the reader, it will

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How to interface RFID with AVR microcontroller (ATmega16)

Leave a Comment / Interfacing(USB - RS232 - I2c -ISP) Projects /

Knowingly or unknowingly the RFID technology is used by us in our day to day life. The most familiar example is seen in MNCs, schools and offices for daily attendance or automatic door opening system. The RFID contains two parts, namely, tag and receiver modem. When an RFID tag comes in the range of receiver, the

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RFID interfacing with AVR microcontroller (ATmega16) using interrupts

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This article covers how to extract and display the twelve byte unique tag ID received by RFID module on LCD using interrupt method. Before proceeding to this article readers must have knowledge of serial interrupt and LCD. In the previous article of RFID, polling method was used where the microcontroller was continuously monitoring the RXC

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NFC Secure Data Storage Using Atmega644

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Summary “Enabling secure storage capabilities for sensitive data through standardized methods of encryption or multiple agent distribution.” Our group chose to implement a secure form of storage for sensitive information such as passwords or identification numbers. This is modeled after Shamirs secret sharing algorithm. It allows us to distribute information regarding the secret key among

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