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Blog, Tutorials  /  September 24, 2016

How to Use a 555 Timer in Monostable Mode

by Jason

It’s been about a year since my last tutorial. Over the last year I learned that teaching in the real world will take away time from teaching in the virtual world.

Many people have contacted me asking about a tutorial for the 555 timer in Monostable mode. The great thing about this mode is that you get to control how long the output on the 555 timer stays high after a triggering event on pin 2. It’s a simple way to to execute a real world “if – then” statement. During the video we’ll discuss the following schematic:

Monostable 555 Timer

For a pdf version of the above schematic, click here. Enjoy the video!

 

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2 comments

  • Kevin Cherry
    September 28, 2016

    Awesome thanks a lot for your tutorials they’ve really helped me expand and brush up my aged electronic skills.

    I’ve always struggled to find a use for a monostable timer circuit, but I think I’ve finally found one. I’m thinking about using one for an automated pet food dispenser. If I get the time to actually build one I’ll send some pics.

    Reply
    • Jason Baird
      September 28, 2016

      That’s seems like a great idea! I wish you well with your project and I’d love to see photos when your done.

      Reply

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