Electronic Siren based NE555

Published:2013/3/25 4:04:00 Author:Ecco | Keyword: Electronic Siren | From:SeekIC

Here the circuit diagram of electronic siren based NE555. This circuit produces a sound like factory siren. It applies a 555 timer IC which is utilized as an astable multivibrator of a center frequency of about 300Hz. The frequency is controlled by the pin 5 of the IC.



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