Cell phone based voting machine is capable of saving considerable printing stationery and transport of large volumes of electoral material. It is easy to transport, store, and maintain. It completely rules out the chance of invalid votes. Its use results in reduction of polling time, resulting in fewer problems in electoral preparations, law and order, candidates' expenditure, etc. and easy and accurate counting without any mischief at the counting centre.
Our cell phone based voting machine consists of microcontroller ATMEL AT89S51, a DTMF decoder CM8870C, a memory storage device EEPROM. DTMF is sent to the microcontroller which is decoded by CM8870C and the password is fed with the candidate number. The EEPROM is used to store the memory in case of power failure.This project is based on assembly language programming. The software platform used in this project are Keil uVision3 and SPIPGM37.
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Contain lots of Sample Projects and thesis, engineering E-books for Electrical & Electronics engineering Students.
Project Title: DEVELOPMENT OF AN EFFICIENT SOLAR POWERED UNMANNED AERIAL VEHICLE WITH AN ONBOARD SOLAR TRACKER
The scope of electric powered unmanned aerial vehicle (UAV) missions is primarily constrained by the relatively low flight endurance that is characteristic of electric powered UAVs. The purpose in utilizing solar energy to power UAVs is to increase UAV endurance capabilities and ultimately achieve indefinite sustained flight. Traditional solar powered UAVs are designed to statically fix the photovoltaic (PV) cells on the top surface of the wing, keeping the cells virtually parallel to the earth’s horizontal plane during normal flight. This puts significant restrictions on both where and what time of year a solar powered UAV is able to capture enough energy from the sun for the PV cells to be advantageous.
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Engineering Ebook: Practical Interfacing in the Laboratory: Using a PC for Instrumentation, Data Analysis and Control
The book contains five chapters, covering digital tools, analog tools, conversion between analog and digital signals, sensors and actuators, and data analysis and control. The 27 laboratory exercises can be used either in a college-level laboratory course or as working examples for practicing engineers and scientists who wish to apply sensor, low-level amplification, and microcomputer principles in their work in a practical and immediate way.
This material was developed for two one-semester laboratory courses in the Electrical Engineering and Computer Science Department at the University of California in Berkeley, EECS 145L: “Electronic Transducer Laboratory” and EECS 145M: “Microcomputer Interfacing Laboratory.” The purpose of these two courses is to provide upper-level undergraduate students with the tools needed to sense and control “real-world” quantities, such as temperature and force, as well as to display the results of “real-time” analyses, such as least-squares fitting, the Student’s t test, fast Fourier transforms, digital filtering, etc. It is assumed that the students have had some exposure to elementary analog and digital electronics, differential calculus and linear algebra, and the C programming language.
This material was developed for two one-semester laboratory courses in the Electrical Engineering and Computer Science Department at the University of California in Berkeley, EECS 145L: “Electronic Transducer Laboratory” and EECS 145M: “Microcomputer Interfacing Laboratory.” The purpose of these two courses is to provide upper-level undergraduate students with the tools needed to sense and control “real-world” quantities, such as temperature and force, as well as to display the results of “real-time” analyses, such as least-squares fitting, the Student’s t test, fast Fourier transforms, digital filtering, etc. It is assumed that the students have had some exposure to elementary analog and digital electronics, differential calculus and linear algebra, and the C programming language.
http://www.mediafire.com/?1nefzzcizqo
Engineering Ebook: Design of Electrical Services for Buildings 4th Edition
Building services engineers to be reasonably aware of the systems in use, and the duties that they perform.The pace of change of legislation, introduction of European Standards, is ever increasing. I have left the academic parts of the book virtually unchanged, with the exception of changes in terminology.
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http://www.mediafire.com/?mrtgzhwxmjz
Download Links:
http://www.mediafire.com/?mrtgzhwxmjz
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