Bill_Marsden

This section will encompase basic circuits people might use. If a schematic is found to be flawed, it will be repaired or removed.

LEDs, 555s, PWM, Flashers, and Light Chasers

I'm moving this article to blog format to allow me greater flexability in editing. Please, do not comment in the blog, if you do I will delete it. If you want to leave a comment do it here.

One of the most common requests at All About Circuits is various methods of flashing LEDs. I'll try to show most of the techniques used for this purpose that have been covered on this site, explaining how and why along the way.
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I've been making several entries for Volume 6 of the AAC eBook, Experiments. This is an index to the posts.

Introduction to the 555
555 Schmitt Trigger
555 Monostable
555 Hysteretic Oscillator
555 PWM Oscillator
CMOS 555 Long Duration Minimum Parts LED Flasher
CMOS 555 Long Duration Red LED Flasher
CMOS 555 Long Duration Blue LED Flasher
CMOS 555 Long Duration LED Flyback Flasher

I'm going to use this space to link to projects I am currently working on, or have shelved with the intention of getting back to them (there are several in that catagory). I tend to jump around a bit, but you notice I'm trying to organize my blogs as a unit, a minibook if you will.

If you wish to respond to a project then do so in the thread where the project is stashed, in the link provided. Thanks.

At this time I've been on this forum for about a month, and have made myself known. I've been drawing like crazy for the forums, submitted a new section for the eBook (ElectroStatic Discharge), and made a fair pest myself everywhere around here.

The picture to the left was a joke for my mom, I wanted to show her my latest martial arts acquisition. She took it pretty much as expected, didn't find any humor in it at all. The picture is still pretty accurate, minus the black eye (guys...