AVR-Chat

On Dec 15, 2004, at 6:58 PM, Bernd Felsche wrote:

> Any idea of the current draw if the position isn't changing?
> That's the sort of information I'm looking for.

If your pulse timing varies or the servo is worn or cheap then it will 
"hunt" while not moving and consume a lot of current.

On the other hand once its in the position you desire then not only 
quit driving the position pulse but remove the power entirely from the 
servo. It will stay where you left it and require a modest amount of 
force to budge.

IIRC the position pulse was 1.0 ms to 2.0 ms every 10 ms. Then again 
there were 7 channel analog transmitters and there is only room for 5 
if I remember correctly. The servo is quite forgiving about the 10 ms 
part altho you have to keep sending the pulse until it reaches the 
desired position.

--
David Kelly N4HHE, dkelly@HiWAAY.net
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Whom computers would destroy, they must first drive mad.