Police Siren circuit using 555 Timer is the one we are about to see here. This circuit uses two NE 555 ICs and each of them wired as astable multivibrators. And a speaker is used in order to produce the…
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We have seen many alarm circuits but Fire alarm was one of the most important among all. In many buildings,industries and houses fire alarm circuit have been installed in order to alert people them in case of a fire break…
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Burglar alarm circuit or Theft alarm circuits are quite common and different circuits uses different methods to detect intruders. The above circuit uses timer IC 555 to detect and sound alarm upon detecting intruders. The circuit is very easy to…
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This is one of the hobby circuits that we can build by our own in our home.The function of this circuit is to indicate the temperature levels using a simple LED. Moreover this temperature controlled led circuit can be used…
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Disco LED lights Circuit was a fun thing. Anyone can construct this by their own. In this circuit we are going to use NE 555(IC 1) and CD 4017(IC 2). Usually NE 555 is used in variety of timer circuits,…
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PCB(Printed Circuit Board) is the heart of a electronic circuit.It provides the flow of voltage between various components and establishes a connection between them.So it was considered as the heart and soul of the electronics. And every electronics student definitely…
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Many of us have great desire to build our own electronic circuits but don’t know how to do it.Here is some of the tips which may give some idea about how to build electronic circuits. But building your own circuit is…
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