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Free Electronic Circuits diagrams Schematics Projects / Security / Siren

Siren

 
Siren Electronics Hobbies Project
Crossed from: Surveillance | Clicks: 15073 | Votes: 0 | Comments: 0 | Rating: 0 | Rank: 0
Construct your own 9 V Siren based on LM358 operational amplifer(OP AMP). This powerful siren can be used to scare away unwanted visitors...
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