[Coco] COCO Robot update.

[Brendan Donahe]

I assume here that pseudo-random and a somewhat long repeating pattern
would be ok.  In that case, how about an LFSR (Linear Feedback Shift
Register).  This could be accomplished with just a few TTL or CMOS logic
parts:

http://en.wikipedia.org/wiki/Linear_feedback_shift_register

Good luck with this project.  A CoCo robot is something I've always wanted
to build, as well, although I think my emphasis would be on some slightly
different abilities than you are focusing on for yours.  ;)

Cheers,
Brendan

On Sat, Apr 7, 2012 at 6:29 AM, Bruce W. Calkins
<brucewcalkins at charter.net>wrote:


>

> ----- Original Message ----- From: <haywire666 at aol.com>

>

>  I have some led eyes, does anyone know a simple circuit to ramdonly blink

>> them?

>>

>>

>> I should say I don't want a stanard blinking rate, I want the blinks to

>> vary. A turn signal flasher won't do.

>>

>>

>> If I have to I'll use the basic stamp... But seems there must be a

>> simpler way I'm not thinking of.

>>

>>

>> Steven

>>

>

> ==========================

>

> Some set of AND gates?  When any two actions happen a light blinks.

>

> Bruce W.

>

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