https://electronicscheme.net/british-police-car-siren/?utm_source=rss&utm_medium=rss&utm_campaign=british-police-car-siren Schematic Diagram & PCB Design Wed, 24 Sep 2014 08:48:52 +0000 hourly 1 https://electronicscheme.net/british-police-car-siren/#comment-39308 Sat, 11 Dec 2010 15:41:36 +0000 http://electronicscheme.net/?p=328#comment-39308 Hi,
This worked for me after a change, change the 1n4001 around, only change around the 1n4001 which is located at the right IC555 very close to pin 8 and 4 on the diagram. just turn it around.
Thanks,
Bas

]]> https://electronicscheme.net/british-police-car-siren/#comment-4748 Sun, 20 Jun 2010 15:52:01 +0000 http://electronicscheme.net/?p=328#comment-4748 this circuit diagram is pathetic .i advise u not to work on this circuit diagram .

]]> https://electronicscheme.net/british-police-car-siren/#comment-3242 Tue, 04 May 2010 23:29:45 +0000 http://electronicscheme.net/?p=328#comment-3242 required siren witth light indicating police

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