[HomeBrew] Motor speed control

[TimH]

 It could be as simple as a 555 timer, or a Microchip pic and pwm'ing an 
IRF510
for a small 12v motor, google DC Motor Controller schematic for several 
ideas.

Tim KA8DDZ


----- Original Message ----- 
From: "Loren Moline WA7SKT" <lmoline at hotmail.com>
To: <homebrew at mailman.qth.net>
Sent: Sunday, October 29, 2006 12:47 AM
Subject: [HomeBrew] Motor speed control


> ** Please do NOT cross-post messages when posting to HOMEBREW **
>
> Hello,
>
> Does anyone have a ready designed circuit to control the speed of a DC 
> motor. I need something of the variable frequency or pulse width or both. 
> Lowering voltage reduces speed but also power. I need fine speed control 
> of my dish positioner.
>
> Loren
>
>
>
> If I do not dream then it can't come true!
> Loren Moline WA7SKT  CN86cx
> Member: ARRL, Pacific Northwest VHF Society #151
>
> _________________________________________________________________
> Try the next generation of search with Windows Live Search today! 
> http://imagine-windowslive.com/minisites/searchlaunch/?locale=en-us&source=hmtagline
>
> _______________________________________________
> HomeBrew mailing list
> HomeBrew at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/homebrew