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You are here: Home / Mail Archive / Are you using the transistor yet?

Are you using the transistor yet?

June 21, 2016 By Øyvind Nydal Dahl 5 Comments

transistor-f199Have you ever wanted to understand how to use transistors in your circuits?

Well now is your chance.

A while back I wrote about how to create a light that turns on and off automatically, and I wanted to send it to you:

https://www.build-electronic-circuits.com/ldr-circuit-diagram

If you’ve gotten the introduction to how transistors work this is the logical next step.
https://www.build-electronic-circuits.com/how-transistors-work/

The circuit shows you several basic electronics concepts in action, like:

how the transistor can turn something on and off
how a sensor works
how the voltage divider works
how the resistor helps the LED not to blow up

Keep on Soldering!
Oyvind

PS! Want to learn to build electronics? Check out Ohmify, my exclusive electronics club with more than 25 courses, discussion forums and more to help you build electronics.

Find out if Ohmify is for you:
http://ohmify.com/join/

Filed Under: Mail Archive

Reader Interactions

Comments


  1. OMAAKA says

    June 27, 2016

    I WANT TO LEARN HOW TO BUILD SIMPLE ELECTRONIC DEVICES

    Reply

    • admin says

      July 3, 2016

      Great =)

      Start here: https://www.build-electronic-circuits.com/electronics-for-beginners/

      Reply

  2. Mark anthony says

    December 5, 2016

    Can you pls. Tell me a transistor that switches on at 9v ang closes at 8v.is there a transistor that works that way??
    Needed your help for my project..

    Reply

    • admin says

      December 8, 2016

      8-9V from base to emitter? Not that I’ve heard of…

      Best,
      Oyvind

      Reply

  3. Mahmoud says

    December 20, 2016

    Thank you very much

    Reply

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