Hello if you want to use pwm for driving a motor take a look at the apex H bridge. Is is simple to implement and you can get bidirectionality. their URL is www.apexmicrotech.com Happy New Year to all!! Mike --- David Minkler wrote: > "Fansler, David" wrote: > > > I do not think I can put a diode across the motor, > since I am running it > > bi-directionally. To be able to run it in both > directions, I am using a > > pair of relays to switch which end of the motor is > to ground and which end > > is at +24v dc. > > > > Place the diode between the fet (anode) and +24V > (cathode) then connect your > reversing relays between the diode and the motor so > the motor gets reversed but > not the diode. Yes, you are correct, the motor is an > inductor. > > Regards, > mink > __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://messenger.yahoo.com