This water-level indicator uses a 7-segment display, instead of LEDs, to indicate the water level (low, half and full) in the tank. Moreover, a buzzer is used to alert you of water overflowing from the tank. The circuit shows the water level by displaying L, H and F for low, half and full, respectively. The circuit uses five sensors to sense the different water levels in the tank. Sensor A is connected to the negative terminal (GND) of the power supply. The other four sensors (B through E) are connected to the inputs of NOT gate IC 7404. When ....etc

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Abstract
LEO is Low Earth Orbit satellite.It circulates on a lower orbit in a shorter period . Additionally LEO systems try to ensure a high elevation for every spot of the earth to provide a highquality communication page link . The networks will play an important role in the evolving information infrastructure . It provides communication with shorter endto- end delays and e_ciency frequency usages . Some problems need to be solved before LEO satellite system can be successfully deployed . One of these problems is handover management . Even ....etc

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This article is presented by:
RUPJYOTI BORTHAKUR ( PGDM 2009-10)
International School of Business Management,
Bhubaneswar
TO DETERMINE THE FUTURE OF USL IN SEMI PREMIUM SEGMENT OF WHISKY IN ORISSA

SUMMARY


Perhaps the most distinctive skill of professional marketers is their ability to create, Maintain, protect, and enhance brands. Branding is the art and cornerstone of Marketing. The American Marketing Association defines a brand ....etc

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It is very interesting and convenient to be able to controleverything while sitting atyour PC terminal. Here, a simplehardware circuit and software isused to interface a 7-segment basedrolling display.The printer port of a PC providesa set of points with some actingas input lines and some othersas output lines. Some lines are opencollector type which can be used asinput lines. The circuit given herecan be used for interfacing with anytype of PC’s printer port.The 25-pin parallel port connectorat the back of a PC is a combi ....etc

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I need the satellite communication by wilbur l pritchard ebook free download, please.
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Name– study of decoder using IC 7447/7448.
Aim – to study the working decoder for conversion of BCD into 7–segment display code.
Apparatus – IC 7447/7448, 7–segment common anode LED display, circuit board, power supply +5V DC, connecting wires, soldering iron, cutter etc.
Circuit diagram




Procedure –
1) You are given IC 7447/7448 and the 7–segment common anode LED display. Identify them with their proper pin conf ....etc

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