The proposed system is developed for reading the meters at remote locations or tamper sensitive areas using the technology zigbee. The CMRI monitors automatically and safely different energy meter readings in a locality from a handheld device using zigbee communication. This system comprises an energy meter modules connected to zigbee module which communicates with the handheld meter reader device which in turn is connected to a thermal printer that prints the bill
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Living environment)‚ ZigBee is making it possible through monitoring the Home appliances with chip embedded systems and Internet. ZigBee is suitable for controlling smart homes because of its simplicity‚ less power consumption‚ less cost and wider coverage. When Bluetooth and Wi-Fi was considered unsuitable for many applications in area of their limited network size‚ low battery life and small transmission range‚ ZigBee was introduced and later on standardized by IEEE. ZigBee introduces more robust
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Zigbee devices are often used in mesh network to transmit data over longer distances and passing data through intermediate devices to reach more distant ones .Any Zigbee device can be tasked with running a network. Zigbee is targeted at applications that require a low data rate‚ long battery life‚ and secure networking. Zigbee has a defined rate of 250 Kbps‚ best suited for periodic or intermittent data
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WIRELESS ELECTRONIC NOTICE BOARD WITH MULTI NODES USING ZIGBEE COMMUNICATION SYSTEM CHAPTER-1 1.1 INTRODUCTION: Notice boards play a vital role mostly in educational institutions. The events‚ occasions or any news‚ which has to be passed to the students‚ will be written on the notice boards present in every floor in the colleges or schools. The present system is like‚ a person will be told the news and he has to update this news on all the notice boards
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MONITORING AND AUTOMATION OF CULTIVATION AND DATA TRANSFER BY USING ZIGBEE AIM: The main aim of this project is to implement the networked agricultural monitoring and controlling system using Zigbee Technology. PURPOSE: The purpose of the project is to provide the details of soil fertility‚ temperature‚ humidity and to control these parameters. METHODOLOGY: BLOCK DIAGRAM
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Electronic code lock with user defined password using 8051 microcontroller (AT89C51) Summary An electronic lock or digital lock is a device which has an electronic control assembly attached to it. They are provided with an access control system. This system allows the user to unlock the device with a password. The password is entered by making use of a keypad. The user can also set his password to ensure better protection. The major components include akeypad‚ LCD and the controller AT89C51 which
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experienced an enormous growth in the last decades. The wireless personal area networks (WPANs) and wireless local area networks (WPANs) are heterogeneous networks which are used in different applications. Two networks‚ called Wifi (IEEE 802.11 WLAN) and ZigBee (IEEE 802.15.4 WPAN)‚ which operates in 2.4 GHz frequency. Spectrum sharing is an effective technique which is used to enhance spectrum utilization. However the coexistence and Interoperability is a critical problem in the case of heterogeneous
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LAN‚ Mobile Internet Connectivity‚ and Personal Area Network Lesson 11 ZigBee © Oxford University Press 2007. All rights reserved. 1 ZigBee─ a suite of high-level communication protocols • ZigBee 1.0 specification released in December 2004 • ZigBee devices conform to the IEEE 802.15.4-2003 Wireless Personal Area Network (WPAN) standards © Oxford University Press 2007. All rights reserved. 2 ZigBee IEEE 802.15.4 • • Lower stack size (28 KB) in the protocol than Bluetooth
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In this paper we have proposed a system which will enable people to wirelessly transmit notices on a notice board using Zigbee. In this paper we have proposed a system by which only authorized people can access the notice board using a graphical user interface. We can also make the system compatible with more than one wireless technology. Keywords - Wireless Technology‚ ‚ ZigBee. I. • Involves reduced time to revenue: companies can generate revenue in less time through the deployment of wireless
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Zigbee and Xbee ZigBee is a standard defined by the IEEE ( Institure of Electrical and Electronics Engineers) back in 1998. When a group of big guy say WiFi and Bluetooth might not be suitable enough for some applications‚ they started to define new protocol‚ new standard. ZigBee aim to have lower data rate compared to Bluetooth‚ at 250Kbps (Bluetooth is 1Mbps back then‚ now is higher with EDR-Enhanced Data Rate). More importantly‚ ZigBee aims for lower power applications which should offer years
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