Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
We have a problem with pigeons roosting on our balcony and fouling it. I would like to build a simple silent bird scarer. I have tried using old cds and thin nylon fishing lines but I have found that the birds get used to them after a while. I am looking for a simple electronic circuit I can...
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