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by bobdstringer
Mon Apr 25, 2005 9:50 pm
Forum: DUB SIRENS
Topic: Siren DIY
Replies: 41
Views: 173971

Siren DIY

Hey everyone, <BR> <BR>how's it going? <BR> <BR>I built Tobys siren (thanks Toby) and it is making noises but, I can't get P1 to work. <BR> <BR>I reckon it could be something to do with the fact that I used 2 ne555s instead of the correct combination of oscillator chips. Any ideas? <BR> <BR...