Multitone Siren Alarm

Published:2013/3/25 4:01:00 Author:Ecco | Keyword: Multitone Siren Alarm | From:SeekIC

Here the simple schematic of multitone siren alarm circuit. This multitone siren is effective for reverse horns, burlgar alarms, and many others. It generates five various audio tones and is much more earcatching than a single-tone siren.



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