AUTOMATIC METER READING SYSTEM
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project report helper
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#1
05-10-2010, 05:05 PM



.doc   Automatic speed controllers for fans and coolers.doc (Size: 235 KB / Downloads: 107)

AUTOMATIC METER READING SYSTEM

INTRODUCTION

This is a device to control the speed of fan and coolers automatically. The device presented here makes the fan run at a full speed for pre determined time. This speed is decreased to medium after some time and to slow then onwards after a period of 8 hours, the fan or cooler is switched off.

The circuit consist of IC1 (555 Timer IC) which is used as an astable multi vibrator used to generate clock pulses. These are fed to decade dividers or counters formed by IC2 and IC3 (IC CD4017B). These ICs act as divide by 10 and divide by 9 counters respectively. The values of capacitor C1 and resister R1 and R2 are adjusted so that the final output of IC3 goes high after 8 Hours.

So during summer nights the temperature is quality high but as time passes temperature starts dropping. So it is required to reduce the speed of a fan or cooler after particular periods. By using this device these reducing can be done automatically. This also makes the reduced conception of power.
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#2
13-11-2010, 01:30 PM

the power point presentation of the project and implimentation AUTOMATIC METER READING SYSTEM available here topicideashow-to-automatic-meter-reading-system
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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