Comments on: Mini Voice Operated Relay https://electronicscheme.net/mini-voice-operated-relay/?utm_source=rss&utm_medium=rss&utm_campaign=mini-voice-operated-relay Schematic Diagram & PCB Design Sat, 04 Jul 2015 07:55:08 +0000 hourly 1 By: manal https://electronicscheme.net/mini-voice-operated-relay/#comment-79762 Fri, 25 Mar 2011 06:22:59 +0000 http://electronicscheme.net/?p=506#comment-79762 hello
which sound will activate this circuit,is it any sound?

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