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.
most of these aren't used (hence quite alot of connections to ground), but a couple are used to make a simple osscilator, which turns the transistor on and off, which turns the relay on and off.
I can't be more specific without looking at the 4049 data sheet, which I don't have time to do, but i'm sure you do: look on **broken link removed**
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