To get full information or details of clap operated robot using transistor pdf please have a look on the pages

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What is working principle of Sound Operated Switch Using A Simple Transistor Circuit and there advantages and disadvantages,Limitations,Application of clap swtich.
What is the working principle of Sound Operated Switch Using A Simple Transistor Circuit and there Advantages,Disadvantages,Limitation and Application and Cricuit Diagram of Clap Switch. ....etc

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I want a clap switch circuit designed by vegakit and its expalnation too ....etc

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This instructable not only gives the reader the information needed to create a clap-clap on/clap clap off switching circuit, but the logic used to make a hardware-only clap-on, clap off circuit. More information on a hardware-only version can be found in the final section of this instructable.

This circuit employs some very simple and cheap circuitry, and a simple program. It is relatively easy to make a hardware only clap on/off circuit, but I wanted to create a circuit that required two claps to switch on, and two claps to switch off. Th ....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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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
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The first part of this discussion is a very old article using US imperial measurements, by Charles D. Rakes. A table of wire gauges is provided at the end of the article. The rest of the circuits are from different sources.
All these circuits have about the same sensitivity as the single transistor circuit shown in fig 7 of Part II (shown below), using an AM radio as the receiver. They have been included to show the ingenuity of design-engineers, in an attempt to improve the performance.
Here is a reference from another website with exactly t ....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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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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What are the materials needed for the market survey of a clap switch project ....etc

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