The finger touch high power sound-light alarm circuit

Published:2011/6/29 21:16:00 Author:Seven | Keyword: finger touch, high power, sound-light alarm | From:SeekIC

See as the figure, the circuit consists of the touch type power switch, controllable silicon trigger lamp circuit, whistle sound making circuit and audio power amplifier circuit and so on. It can be used in banks and business abodes as the emergency alarm.



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