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Hi EveryBody
I Need Help With This Problem >>> Laser Alarm Circuit
I Built This Circuit
**broken link removed**
& Connected The Out But From The Relay With Police Siren Circuit
http://1.bp.blogspot.com/_Bxy8CibBNak/Scbi22ChpDI/AAAAAAAAAA0/QlHfjt9jj8Y/s1600-h/police_siren2.gif
But I...
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