Yahoo Groups archive

AVR-Chat

Index last updated: 2026-04-28 22:41 UTC

Message

Re: [AVR-Chat] Re: Motor Control Problems - more info

2005-02-20 by Robert Adsett

At 05:50 PM 2/20/05 -0500, Ben Matthews wrote:
>I think
>what i am going to do for now is scrap the h bridge for now and use a
>servo to toggle a switch, if we win and go on to the state competition
>maybe i will be able to build one, but hopefully the servo will work
>for now. (p channel mosfets aren't available locally at a reasonable
>price and we don't have time for a digikey order).  i am going to
>pulse with one mosfet on the low side of the circuit so i shouldn't
>run into problems. now all i need to do is build it and finish the
>software.

That sounds like it is likely to work.  Remember the freewheeling diode. 
You can use one of your BUZ11's for that if you need to, tie the gate to 
the source and you have a 30A diode.

Good Luck


" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.