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Factory Siren Electronics Circuits Hobby
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Factory Siren Electronics Circuits Hobby
Website URL:
http://www.electronic-circuits-diagrams.com/factory-siren-circuit/
Category:
Electronics - Appliances Repair
This circuit produces a sound similar to a factory siren. It makes use of a 555 timer Ic used as an astable multivibrator of a center frequency of about 300Hz.
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