"Pdelpriore" <pdelpriore@aol.com> wrote in message
news:20030407172116.27647.00000293@mb-cs.aol.com...
> >Pdelpriore <pdelpriore@aol.com> wrote:
> >> I know that motors in your RC cars can be driven with electronic
devices
> >> without resorting to power resistors. Are these using Pulse Width
> >Modulation
> >> and how do they do the reversing?
> >
> >Yes, they use PWM. Most don't do reversing because of the extra resitance
in
> >the circuit (from the fet). The ones that do have a extra set of fet's
cross
> >linked to the motor.
> >
> >Going to build your own ?
> >
> >Joost
> >
>
> Yes I would like to build my own but for a very small low power motor.
Where
> can I see some schematics showing the basics. Would like to control the
ESC
> with a Joystick directly without the RC. Possible?
These might be helpful:
http://www.4qdtec.com/bridge.html
http://home.cogeco.ca/~rpaisley4/HBridge.html
http://www.robotroom.com/HBridge.html
>
> Thanks again.
>
> Paul