I'm karthick doing my 2nd year engineering course...i want some idea about how i collect the mini projects & how can i do it.....? plz plz plz any one help me...


by
ur' student,
karthick.s ....etc

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any information regarding topic,pplse post it... ....etc

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D. MOHAN KUMAR


Introduction
This circuit automatically turns on a night lamp when bedroom light is switched off. The lamp remains ‘on’ until the light sensor senses daylight in the morning. A super-bright white LED is used as the night lamp. It gives bright and cool light in the room. When the sensor detects the daylight in the morning, a melodious morning alarm sounds.
The circuit is powered from a standard 0-9V transformer. Diodes D1 through D4 rectify the AC voltage and the resulting DC voltage is smoothed ....etc

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ULTRASONIC LAMP BRIGHTNESS CONTROLLER
Presented By :
P.V.S.Chaitanya (2006EEE040)
D.V.Subrahmanyam (2006EEE058)
M.Ravi (2006EEE028)
P.Lokesh (2006EEE035)

Under the esteemed guidance of
Ch.Das Prakash, M.Tech.
Assistant Professor.


OBJECTIVE

Remote control of AC voltage by phase control of a silicon controlled rectifier (SCR) in a simple and ea ....etc

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Abstract:
electrodeless lamp is a light source in which the power required to generate light is transferred from the outside of the lamp envelope by means of (electro)magnetic fields.Two systems available noe—one, plasma lamps, based on the use of radio waves energizing a bulb filled with sulfur or metal halides, and the other is, fluorescent induction lamps, based upon conventional fluorescent lamp phosphors .. and the Magnetic induction lamps are basically fluorescent lamps with electromagnets wrapped around a part of the tube, or ....etc

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Introduction

The project that we have done here can be used for safe highway driving. The lamp automatically emits brilliant tri-colourlight when a vehicle approaches the rear side of the vehicle.And turns off when the approaching vehicle overtakes.
This Ultra-bright blue yellow and redheads of the signal alert lampemits very bright light to alert vehicle's driver even during daytime,giving additional safety during night or when we need to stop our vehicle on the side of the highway.The circuit saves considerable battery power. 12v DC suppl ....etc

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please send me the complete paper on topic mentioned above ....etc

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....etc

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details about in the power of the incandescent lamp used to illuminate
the LDR keeping all the lamp at a fixed distance
....etc

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: RADHIKA U.K(42)
: REMYA JOHNY(44)
: SANGEETHA THOMAS(46)
: SUBIN P SUNNY(54)

CONTENTS

INTRODUCTION
OBJECTIVE
BLOCK DIAGRAM
CIRCUIT DIAGRAM
WORKING
COMPARITIVE STUDY OF CIRCUIT WITH AND WITHOUT PWM
FEATURES
ADVANTAGES AND DISADVANTAGES OF LED
COMPARISON OF LED LAMPS WITH OTHER LIGHTING TECHNOLOGIES
CONCLUSION
FUTURE SCOPE
REFERENCES

INTRODUCTION
Growing demand for th ....etc

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