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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.

auto/manual cctv clock generator

sheldonstv

New Member
this is part of my 4way cctv camera switcher,which uses a 4017 and relays to switch 4 cameras to 1 monitor.........
 

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this circuit has been in use now for quite a few years and it works well.......
 

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