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Rfid Door Lock Description

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Rfid Door Lock Description
PR25
RFID Door Lock

Version 1.0
October 2009
Cytron Technologies Sdn. Bhd.
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Cytron Technologies Incorporated with respect to the accuracy or use of such information or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Cytron Technologies’s products as critical components in life support systems is not authorized except with express written approval by Cytron Technologies. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.

OVERVIEW
This document describes the development of Cytron Technologies DIY (Do It Yourself) Project PR25. This project revises PR8: Read and Display and PR9: Password Door Security. However, this project improves the previous PR, where it can learn new RFID ID tag and read ID tag in two different communication ways, Wiegand and UART. Connection for UART and Wiegand RFID tag reader are provided on PCB to be extended. Schematic and source code is also provided.

FEATURES
PIC16F876A - 8-bit microcontroller with 22 I/O - Operate with 5V supply - Operating speed 20MHz WIEGAND RFID TAG READER - RFID tag reader with specification reader-tocard and binary reader-to-controller interface - Standard 26-bit binary card data format - Operate with 5V supply

Created by Cytron Technologies Sdn. Bhd. – All Rights Reserved

1

ROBOT . HEAD to TOE PR25 – RFID: Read and Display

SYSTEM OVERVIEW

Push Button

Relay

PIC16F876A
RFID Tag Reader LCD Door Lock

RFID Tag

GENERAL DESCRIPTION
PR25 is an open source microcontroller Do It Yourself kit. This PIC microcontroller based project is designed to develop a low cost RFID door
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