pcb lay-out of siren or wang-wang

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pcb lay-out of siren or wang-wang

Post by bjohn7908 on Wed Aug 08, 2012 10:00 pm

mga master pahingi nman ng pcb lay-out and schematic diagram ng siren or wang2 with mic input po. para po yan sa mga bombero dito sa amin, pinapa assemble sa akin. hoping for your reply mga master

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Re: pcb lay-out of siren or wang-wang

Post by 01110011 on Thu Aug 09, 2012 6:16 pm

^ hanap ka sa net ng megaphone schematic at 555 siren schematic, icocombine natin :Smile

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