http://electroschematics.com/594/electronic-dog-whistle/ Fri, 30 Jul 2010 03:11:38 +0000 hourly 1 http://wordpress.org/?v=3.0 http://electroschematics.com/594/electronic-dog-whistle/comment-page-1/#comment-12213 roy Wed, 09 Jun 2010 13:52:09 +0000 http://electroschematics.com/?p=594#comment-12213 please do reply asap^^ that would really help me in my project. thanks a lot! ^^ please do reply asap^^ that would really help me in my project. thanks a lot! ^^

]]> http://electroschematics.com/594/electronic-dog-whistle/comment-page-1/#comment-12212 roy Wed, 09 Jun 2010 13:47:35 +0000 http://electroschematics.com/?p=594#comment-12212 how many feet can the produced sound be heard significantly? how many feet can the produced sound be heard significantly?

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