[Lab] 3.6k pot (Darcy Whyte)

Darcy Whyte darcy at inventorartist.com
Sun Oct 12 17:33:52 EDT 2014

I guess if I plug to 120 I can use steppers. There's no time for parts
order for halloween though. :)

I have soom of those steppers. They need four pins each I think. So I guess
that's just 16 pins for four spiders...

I'll have a look and see if I can figure out those drivers quickly..

Darcy Whyte

Art+ inventorArtist.com <http://inventorartist.com/> | Aviation
Contact: darcy at inventorArtist.com | 613-563-3634 by appointment (no text)

On Sun, Oct 12, 2014 at 4:25 PM, Adrian Jones <adrian at woodsgood.ca> wrote:

> Darcy,
> A simple LED/photo resistor set-up, interrupted by one end of the toothed
> cable, may be sufficient for setting an start point so that you know where
> the spiders start. Then count the number of steps necessary for the stepper
> motor to move the spider to the end point et voila. I used this simple
> set-up for the pair of escalators I built for my partner's artwork
> installation and it works well.
> A geared stepper motor works really well when you want really slow
> movement... See
> http://www.ebay.ca/itm/221347325924?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m
> 1497.l2649 Cheap and easy.
> Many thanks,
> .... Adrian
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