Prepaid Energy Meter using GSM INTRODUCTION: This project is based on VTU syllabus. The proposed system is based on ATMEL 89S52 µcontroller which is in our syllabus. For doing this project we use some of the software like ❖ Embedded C for programming the application software to the microcontroller. ❖ Protel schematic software is used for designing the circuit diagram for this project. ❖ Express PCB software is used for designing the PCB for this project.
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The reading process as a whole is a very multifaceted area‚ and is relentlessly changing. As a future upcoming school teacher‚ it is imperative for me to understand the process and theories behind the reading act itself. Therefore‚ before I started my assignments working with my student‚ I researched some theories about reading in order to know the reason behind the importance of it. The three theories which I consider are the most essential‚ and which I feel are disheveled to account for the reading
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Detailed analysis of case study ModMeters History‚ Development and Growth of the company This Company was originally founded in North America and established the name as Modern Meters and later it was called as ModMeters in short (MM) . ModMeters generally produces metering components of all types‚ which were highly specialized and were great in demand. In early 1960s‚ the company had gradually automated almost every aspect of its business from finance and accounting
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Q-Meter The Q meter is an instrument used to measure electrical properties of coils and capacitors. Mostly used in testing the radio frequency circuits. A Q-meter basically measures the Q (Quality Factor) of the circuit. It is also used to test the inductors‚ capacitors for their high frequency inductance‚ Q ‚ capacitance as well as ∑‚ tg δ value. Make and Model MODEL WY2851D Digital Q meter MADE BY ShangHai Wuyi Electronics Co.‚ Ltd. Fig: WY2851D Digital Q meter Technical
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A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi-solid substances). A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading. The probe The pH probe measures pH as the activity of hydrogen ions surrounding a thin-walled glass bulb at its tip. The probe produces a small voltage (about 0
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Knowledge-Based Model for Analyzing GSM Network Performance Pasi Lehtimäki and Kimmo Raivio Helsinki University of Technology Laboratory of Computer and Information Science P.O. Box 5400‚ FIN-02015 HUT‚ Finland Abstract. In this paper‚ a method to analyze GSM network performance on the basis of massive data records and application domain knowledge is presented. The available measurements are divided into variable sets describing the performance of the different subsystems of the GSM network. Simple
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PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more
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EXECUTIVE SUMMARY: Smart Meters Smart Electrical Meters‚ Advanced Metering Infrastructure‚ and Meter Communications NOTE: This document is a free excerpt of a larger research report. If you are interested in purchasing the full report‚ please contact Pike Research at sales@pikeresearch.com. Published 4Q 2009 Bob Gohn Industry Analyst Clint Wheelock Managing Director Smart Meters Section 1 EXECUTIVE SUMMARY The electrical metering industry is undergoing the largest transformation
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GSM 1 Mobile Communications GSM Manuel P. Ricardo Faculdade de Engenharia da Universidade do Porto GSM 2 Acknowledgements ♦ These slides are based on the slides developed by » Prof. Jochen Schiller – Slides from the book “Mobile Communication: Wireless Telecommunication Systems” – http://www.jochenschiller.de » Prof. Mário Jorge Leitão – http://www.fe.up.pt/~mleitao/ GSM 3 ♦ ♦ ♦ ♦ ♦ ♦ ♦ What are the main network elements of GSM? What are the GSM addresses? How is the
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Applications Proc .of CSIT vol.5 (2011) © (2011) IACSIT Press‚ Singapore GSM Based Bus location tracking and passenger density detection system KV Natarajan1 1 Electrical and Electronics Department‚ Rajalakshmi Engineering College‚ Thandalam‚ Chennai Abstract. In this paper‚ tracking of buses and passenger density detection using GSM technology has been discussed. Ticketing machine in the bus will be fitted with an GSM and Bluetooth module. The Bluetooth module will receive the information
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