Re: [Gumstix-users] Power Requirements w/ Robostix

[Dave H. <dhy...@gm...>]

Hi James/,

On 8/9/07, James Snow <JS...@pi...> wrote:
> I want to power 4 servos through the PWM ports on the Robostix. I
> know that I need to cut the jumper and hook up power to the MOTOR
> pins, however I'm not entirely sure what voltage/wattage I should use.
>
> I have 4 Hitec HS-422 servos that I want to power. They are rated at
> 6.0 V each, however I understand that I could probably safely push
> them to about 7-8 V each.
>
> Do I require one 6V, or rather something which is 4 times that
> amount? If I require the latter would it be too dangerous for the
> servos?

The servos are all connected in parallel to V_MOTOR, so all of the
servos will see the same voltage. So if you want to run the servos at
6v then provide 6v on V_MOTOR.

-- 
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/