Analog Sequencer

Yorky · Joined: Feb 14, 2005 Posts: 244 Location: Boston, UK

For my analog sequencer, yes I know these may be already here somewhere, but i have tried etc.
Anyway what I'm after please is :
555 circuit for the clock
4528 circuit for the gate
the rest I can sort my self

thanks

bugbrand · Posted: Thu Nov 23, 2006 3:29 am Post subject:

YoYo

There's a couple of designs on Cloned Analog Gear

In particular for the 555 clock have a check of the ETI Seq

Yorky · Joined: Feb 14, 2005 Posts: 244 Location: Boston, UK

You would not believe how hard it is to find a simple LED driver.
You know, two resistors, a tranny, and a LED
Does anybody have one please, to work on 5V
(no chips please)

bugbrand · Posted: Tue Dec 05, 2006 1:05 am Post subject:

Check the works of Ken Stone - the Seq / Clock modules on the CGS site have such info (and lots of other usefuls too!)

Uncle Krunkus · Posted: Tue Dec 05, 2006 2:10 am Post subject:

5V into the collector of a 2N3904.
Emitter to a 680R and then through the LED to GND.
Signal through a 10K and into the base.
Play with the 680R if brightness needs it.

Yorky · Joined: Feb 14, 2005 Posts: 244 Location: Boston, UK

thanks guys Smile