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...
Datasheet file1: Click here to download 2N2222.pdf datasheet. Datasheet file2: Click here to download LM555.pdf datasheet. Datasheet file3: Click here to download 2N3906.pdf datasheet.
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