Re: Does this pot exist?

I've been lazy and haven't looked at your link.

But...

Have you considered a potentiometer with a built-in switch, like those used
on small transistor radios which control the on-off (switch) AND the volume
(potentiometer)? Should be really easy to get hold of.


"steamer" <steamer@xxxxxxxxx> wrote in message
news:6Y6ge.1304$T3.10679@xxxxxxxxxxxxxxxxxxxx
> --Howdy! I've been fiddling around with using a pot to position a
> "servo". I'm using the teeny weeny one from Parallax that needs to be
> turned with a screwdriver. The application is to drive one of those
> surplus windshield wiper motors; I'm using the PWM output to send signals
> to a Victor motor controller and this is working very well.
> --The trouble is determining, with certainty, that the motor is in
> "neutral", so to speak. What I'm trying to do is use the motor as a winch
> to move a small load up and down on an art car I'm building. The winch
> will position the load one way when the vehicle is in motion and in
> another when it's parked. Although it's tempting to use a DPDT switch, I'd
> prefer to control the rate of the load's position change with a big, easy
> to grasp knob on a pot that could be located a few feet from the Stamp.
> What's needed is a tactile feedback of some kind so that I know when the
> motor is in "neutral", so that the motor isn't creeping. Text and photos
> of project to date at: www.nmpproducts.com/artcar.htm.
> --TIA,
>
> --
> "Steamboat Ed" Haas : The other night I
> Hacking the Trailing Edge! : dreamed about wasabi...
> http://www.nmpproducts.com/intro.htm
> ---Decks a-wash in a sea of words---


.

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