To get full information or details of history of automatic night lamp switche please have a look on the pages

http://slidesharepratikparekh1/automatic-led-night-lamp

http://electroschematics2866/automatic-night-lamp-with-morning-alarm/

http://engineersgaragecontribution/automatic-night-light-control

http://indiastudychannelprojects/1383-CONSTRUCTION-OF-AN-AUTOMATIC-NIGHT-LAMP.aspx

http://circuitstodayautomatic-night-light

if you again feel trouble on history of automatic night lamp switche please reply in that page and ask specific fiel ....etc

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isc economics viva question viva

Aims:

1. To enable candidates to acquire knowledge (information) and develop an understanding of facts, terms, concepts, conventions, trends, principles, generalisations, assumptions, hypotheses, problems, processes, etc. in Economics.

2. To acquaint candidates with tools of economic analysis.
3. To develop an understanding of important economic problems. ....etc

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to get information about the topic 8051 microcontroller based mini projects full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-microcontroller-based-mini-projects

http://seminarsprojects.net/Thread-mini-projects-microcontroller-using-8051

http://seminarsprojects.net/Thread-microcontroller-based-projects--5921
....etc

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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 standby ....etc

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What are the materials needed for the market survey of a clap switch project ....etc

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A clap switch circuit is a classic beginner s project.
Equipment can be switched on and off by just clapping your hands. Add a tiny microcontroller and you can easily build-in some more useful features.

The microcontroller in this circuit makes it a simple job to add some useful features that are not seen on other clap switch designs:

Changeover relay contacts enable the unit to be wired in conjunction with a manual changeover switch so that manual override of the switched equipment is always possible.
The unit is only responsive to a specif ....etc

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I'm doing my research on clap switch project, can someone tell me the page link that have proper information, this is for my research. Its doesn't matter if it book, website or any article as long its has proper information like who posted the article, when the articles are posted and the circuit operation. ....etc

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plz send the content and report on clap based digital volume controller mini project ....etc

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to get information about the topic clap switch k92 full report ppt related topic refer the page link bellow

http://seminarsprojects.in/showthread.php?tid=49283&google_seo=7im9++&pid=100189

http://seminarsprojects.net/Thread-clap-switch-theory ....etc

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CLAP SWITCH


Here s a clap switch free from false
triggering. To turn on/off any ap
pliance, you just have to clap
twice. The cir-cuit changes its output state
only when you clap twice within the set
time period. Here, you ve to clap within 3
seconds.
The clap sound sensed by condenser
microphone is amplified by transistor T1.
The amplified signal provides negative pulse
to pin 2 of IC1 and IC2, triggering both the
ICs. IC1, commonly used as a timer, is
wired here as a monost ....etc

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