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Title: simple touch switch using 555 ic ppt
Page Link: simple touch switch using 555 ic ppt -
Posted By:
Created at: Monday 24th of April 2017 10:10:31 PM
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hi i am zalakkumar patel i would like to get details on simple touch switch using 555 ic ppt.. my friend avi said simple touch switch using 555 ic ppt will be available here and now my college c.ck.pithawala college and technology surat and i need help on... ....etc

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Title: light activated switch circuit conclusion
Page Link: light activated switch circuit conclusion -
Posted By:
Created at: Wednesday 05th of October 2016 07:01:53 PM
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What is the conclusion on making light activat
ed circuit? ....etc

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Title: Sound operated switch using a simple transistor circuit
Page Link: Sound operated switch using a simple transistor circuit -
Posted By: project topics
Created at: Saturday 24th of April 2010 02:06:59 AM
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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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Title: Simple Sound Activated Burglar Alarm System
Page Link: Simple Sound Activated Burglar Alarm System -
Posted By: Sidewinder
Created at: Sunday 16th of May 2010 11:47:40 AM
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When the intensity of sound exceeds certain intensity, the alarm is
triggered and the siren begins to operate. The speaker beeps and the flasher
(light) flashes. Thus the owner of the residence is alerted when an intruder comes.

The functional block diagram includes
-MICROPHONE
-AMPLIFIER
-LATCH
-OSCILLATOR
-FLASHER
-SPEAKER

a 600O unidirectional moving coil microphone is used. LM386 CMOS operational amplifier was the main component in the amplifier. It had a gain of 200. The amplifier then passes it on to the latch section of t ....etc

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Title: simple clap switch circuit diagram with project report
Page Link: simple clap switch circuit diagram with project report -
Posted By:
Created at: Wednesday 24th of October 2012 03:40:39 PM
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please provide us report..............................................................................................................................................................................................................
WITH REGARDS
nttF ....etc

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Title: Design of a Clap Activated Switch
Page Link: Design of a Clap Activated Switch -
Posted By: seminar surveyer
Created at: Friday 08th of October 2010 12:34:38 PM
principle of clap switch, literature review of a clap switch, uses of clap activated remote, future scope of clap switch, introduction for clap switch, basic principle for working of sensitive clap switch, code of clap counter,

Abstract

This paper presents the design of a clap activated switch device that will serve well in different phono-controlled applications, providing inexpensive key and at the same time flee from false triggering. This involves the design of various sages consisting of the pickup transducer, low frequency, audio low power and low noise amplifier, timer, bistable and switches. It also consists of special network components to prevent false triggering and ensure desired performance objectives. A decade counter IC serves the bistabl ....etc

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Title: advantages of dark activated switch
Page Link: advantages of dark activated switch -
Posted By:
Created at: Tuesday 27th of November 2012 02:27:34 AM
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good....but not having enough material to take... ....etc

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Title: Clap Activated Remote
Page Link: Clap Activated Remote -
Posted By: computer science crazy
Created at: Wednesday 09th of September 2009 03:04:21 PM
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An infra-red or wireless remote control has the disadvantage that the small, handy, remote transmitter is often misplaced. The sound operated switch has the advantage that the transmitter is always with you. This project offers a way to control up to four latching switches with two claps of your hand. These switches may be used to control lights or fans “ or anything else that does not produce too loud a sound. To prevent an occasional loud sound from causing malfunction, the circuit is normally quiescent. The first clap takes it out of ....etc

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Title: literature review for clap activated switch
Page Link: literature review for clap activated switch -
Posted By:
Created at: Wednesday 26th of June 2013 06:16:51 AM
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please am working on the clap activated switch as my project and would want a sample of its literature reveiw ....etc

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Title: VOICE ACTIVATED SWITCH OR DOOR LOCK
Page Link: VOICE ACTIVATED SWITCH OR DOOR LOCK -
Posted By: project topics
Created at: Thursday 04th of August 2011 06:15:49 PM
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VOICE ACTIVATED SWITCH OR DOOR LOCK:- which recognise the speaker voice and works.It should identify the speaker. Neural network and embedded system ....etc

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