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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 mfulls

  1. M

    Noob help, science fair project for my kiddo

    now that sounds more like it. I will have to do some research into them so I know what is going on and I might even try and come up with a schematic and scan it in. I work better with drawings. Then you can tell me if I am close or not.
  2. M

    Noob help, science fair project for my kiddo

    Ok, some of that makes a little sense. I did take one circuits class in college...many years ago, but it certainly didn't touch on integrated circuits or how to build something. Perfectly understandable to get "too technical" when trying to describe something you are knowledgeable about. We...
  3. M

    Noob help, science fair project for my kiddo

    That sounds like you seem to have a handle on what I am trying to accomplish. Your initial assumption is correct....only problem is, you could have typed all of that in Ancient Latin and I would have understood just about the same amount. I will have to research some of the components you...
  4. M

    Noob help, science fair project for my kiddo

    Thanks for the reply Ned. You kind of touched on my conundrum. How to get the timer to stop when the light goes out. That is why my initial thought was to wire it in series so when the battery dies, the timer stops......but how do you keep the numbers in memory or to remain displayed? It...
  5. M

    Noob help, science fair project for my kiddo

    I am a mechanical engineer by trade....so naturally I know nothing about electronics and circuits, and I need some guidance. My son has a science fair coming up, and I helped him come up with a project to enter. The idea is to test AA batteries for battery life. To do this, I was wanting to...

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