Presented by:
KUSUM.N.M
VIJAYLAKSHMI


INTRODUCTION
DC motor speed controllers are very useful for controlling the motion of robotic and industrial automation systems. The controller presented here uses the pulse-width modulation (PPWM) technique. The PWM wave for speed control is generated using Atmel AT89C52 microcontroller. ....etc

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SEMINAR REPORT ON EVALUATION OF FLOW LIQUEFACTION AND LIQUEFIED SHEAR STRENGTH USING CONE PENETRATION TEST


ABSTRACT

Flow liquefaction is a major design issue for large soil structures such as mine tailings impoundments and earth dams. If a soil is strain softening in undrained shear and, hence, susceptible to flow liquefaction, an estimate of the resulting liquefied shear strength is required for stability analyses. Many procedures have been published for estimating the residual or liquefie ....etc

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please send ppt ppt for automatic light controller using ic 7806 on mail id-
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please send ppt for automatic light controller using ic 7806 and also report on this. ....etc

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PDF will be very useful for me
Thanks. ....etc

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Presented by:
M.SARANYA
R.SATHYA
P.SEETHALAKSHMI


AUTOMATIC NIGHT LAMP WITH MORNING ALARM
ABSTRACT:
Automatic Night Lamp with Morning Alarm System is a simple yet powerful concept, which uses transistor as a switch. By using this system manual works are 100% removed. It automatically switches ON lights when the sunlight goes below the visible region of our eyes. This is done by a sensor called Light Dependant Resistor (LDR) which senses the light actually like our eyes. It automatically switches OFF lights ....etc

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I. EVOLUTION
Mobile, Mobile, Mobile. Its mobile everywhere! Itâ„¢s hard to imagine life, which is as busy as a bee in this highly competitive world without a mobile. The history of wireless communications traces back to December 12, 1901, when renowned scientist and Nobel Prize winner Guglielmo Marconi could transmit across the Atlantic Ocean. A century later wireless communications were widespread and turned out to be the flourishing industry posing many challenges and providing many opportunities.
The advanced technology, improved wide ....etc

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Clap Switch
Sound operated switch using a simple transistor circuit
The operation is simple. Clap and the lamp turns on. Clap again and it turns off.
The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. It produces a small electrical signal which is amplified by the succeeding transistor stage. Two transistors cross connected as a bistable multivibrator change state at each signal. One of these transistors drives a heavier transistor which controls a lamp.
I ....etc

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Voltage regulator ICs (78xx series) provide a steady output voltage, as against a widely fluctuating input supply, when the common terminal is grounded. Any voltage about zero volt (ground) connected in the common terminal is added to the output voltage. That means the increase in the common terminal voltage is reflected at the output. On the other hand, if the common terminal is disconnected from the ground, the full input voltage is available at the output. This characteristic is utilised in the present circuit. When the c ....etc

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Voltage regulator ICs (78xx series)provide a steady outputvoltage, as against a widelyfluctuating input supply, when thecommon terminal is grounded. Anyvoltage about zero volt (ground) connectedin the common terminal is addedto the output voltage. That meansthe increase in the common terminalvoltage is reflected at the output. Onthe other hand, if the common terminalis disconnected from the ground, thefull input voltage is available at theoutput.This characteristic is utilised in thepresent circuit. When the commontermin ....etc

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please send ppt ppt for automatic light controller using ic 7806 on mail id-
[email protected]
please send ppt for automatic light controller using ic 7806 and also report on this. ....etc

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I want the power point presentation of AUTOMATIC LIGHT CONTROLLER USING 7806. for the sake of our mini projects...can u kindly help us ....etc

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