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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.

Recent content by HRD

  1. H

    Need help with simple adjustable delay circuit. 555

    Thanks for all the help. I was able to get a 555 circuit to do what I needed, but I am interested in Collin's CD40106 circuit. I'm about to show my ignorance, but what what is that component to the right of the diode?
  2. H

    Need help with simple adjustable delay circuit. 555

    I would appreciate any help with this simple project. I have some basic electronics knowledge and experience, but far from an Electrical Engineer. Basically I have an input that is initially high (13-14v) and then goes low (~0v) and stays low. I want the output to initially be low or open...

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