Motor speed contollers

M

Marcus

Guest
I'm just wondering of anyone has any alternative for using an RC Car speed
controller ? I'm building a robot and need speed contollers and the PWM
input and analog voltage output of the premade speed controllers is ideal,
however, the cost is not. From towerhobbies.com the price is $80+ which is
a expensive.

Any ideas how to vary voltage (high current too) via PWM would be
appreciated.

Thanks,

Marcus
 
Oh yeah, and they need to be able to handle Reverse as well.
Cheers,
Marcus



"Marcus" <mkennedy@lakeheadu.ca.Removethis> wrote in message
news:gZbld.9264$hp3.921202@read2.cgocable.net...
I'm just wondering of anyone has any alternative for using an RC Car speed
controller ? I'm building a robot and need speed contollers and the PWM
input and analog voltage output of the premade speed controllers is ideal,
however, the cost is not. From towerhobbies.com the price is $80+ which
is a expensive.

Any ideas how to vary voltage (high current too) via PWM would be
appreciated.

Thanks,

Marcus
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