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Old 09-17-2007, 10:17 AM
  #10  
NikolayTT
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Join Date: Sep 2002
Location: Tampere, FINLAND
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Default RE: Servo Voltage

Then seems clear, that your servo has over-voltage protection which blocks the whole
operation if the voltage exceeds 6.00V. That is simple to do and maybe done on most
servos by many reasons. If it is said that servo is 6V, then you may have no chances
to make it working on any voltage equal or bigger than 6.1 V. And that is different
from servo-to-servo; they are not so simple things as someone might think and place
even 8V [sm=drowning.gif]

To find out you can do the following: - Visit the local Radio/TV/Phone repair shop
and tell the story to the guys there. My suggestion is to ask them to power your Radio and
servo from their laboratory power sourse with smoth posibility of increasing the voltage
and with continuous mA metter. Then increase the voltage from 5V till 6.5V in steps
of 0.1V (or even 0.025V better)and look at the current. If there is a sharp change(glitch)
in the current increase around 6.05V then all is clear, there is a smart protection in the
servo and you cannot overrun that.