Author Topic: 555  (Read 1635 times)

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Offline ethhanners

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« on: February 14, 2014, 04:46:08 pm »
hey im new to electronics I have made some basic led flashers with a 555 but I would like to know some more :)     

Offline JoeN

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Re: 555
« Reply #1 on: February 15, 2014, 08:08:23 pm »
Well, it's a very simple and very cheap timing circuit that can be adapted for a lot of potential uses, there are entire books written about it.  It can be used for a simple low-speed clock for other clocked digital circuits, LED flashers, tone generators, it can be a non-retriggerable one-shot, which means after some event happens it sends out a pulse of a certain length, this can be used for timing actions, and it can be bi-stable too, though this has always seemed less useful to me.

Looks like some good free information here:

Forrest Mims wrote an entire mini-book on this subject:
Have You Been Triggered Today?

Offline TerminalJack505

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Re: 555
« Reply #2 on: February 15, 2014, 10:04:06 pm »
The Talking Electronics website has a bunch of 555 circuits as well as an explanation of how the 555 IC works.

Download and read the datasheet as well.

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