Basic principal of avr message displayer using lcd ....etc

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Now recently I jointed btech in optics and optoelectronics, I come from physics background , now I want to know what is opportunity may come i f I read in this subject? ....etc

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I have to take up the section related to CCTV, Camera including Digital camera i.e Audio, vedio systems division includes vedio shooting, display, recording and replay etc.

Hence I want to know about the basic working principle, types of cameras available in the market, Audio systems available in the market like intercoms, walkies-talkies etc., handling precautions, cables, tools and other accessories to be used and their important specifications like band width of the cable, type of cable frequencies involved etc to have the basic knowledge ....etc

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pls send me the working principle of pillcamera ....etc

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basic principle how electro hydraulics works
....etc

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Now a days touch screen are widely used for many applications like touch screen based monitor, touch screen based mobile etc, In present day booking a person who wishes to book a railway ticket has to go to the booking centre and reserve the tickets .In reservation counter a person is appointed to give the tickets and reserve the seats. Many times there will be queue near reservation counter and the costumers have to wait for a long time. This consumes lot of time of the costumer. To overcome this drawback we have come up with an idea to develo ....etc

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BASIC INSTRUMENTATION MEASURING DEVICES AND BASIC PID CONTROL


INTRODUCTION
Instrumentation is the art of measuring the value of some plant parameter,
pressure, flow, level or temperature to name a few and supplying a signal
that is proportional to the measured parameter. The output signals are
standard signal and can then be processed by other equipment to provide
indication, alarms or automatic control. There are a number of standard
signals; however, t ....etc

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defination and working principle of digital camera
....etc

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SYNOPSIS

The intelligent wireless video camera described in this paper is
designed using wireless video monitoring system, for detecting the
presence of a person who is inside the restricted zone. This type of
automatic wireless video monitors is quite suitable for the isolated
restricted zones, where the tight security is required.
The principle of remote sensing is utilized in this, to detect the
presence of any person who is very near to reference point with in the
zone.
A video camera collects th ....etc

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How I use megger&multi miter plz give me suggestion in hindi ....etc

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