Clever Car alarm circuit

Posted on Jul 11, 2012

When this car alarm circuit is activated it stays activated for 80 seconds. It has 15 seconds delay for the driver to enter and deactivate. and All timmings can be altered easilly...

Clever Car alarm circuit - image 1
Click here to download the full size of the above Image.

The circuit uses two NE555 timers so its easy to alter the delays by changing few capacitors and/or resistrors. One 2N3906 and two 2N2222.

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