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 Robotics / Handy Board / 8443
8442  |  8444
Subject: 
Re: Is Expansion Board Servo Voltage Suppose to Be 9v
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Wed, 15 Aug 2001 02:41:18 GMT
Viewed: 
1691 times
  
Do you have the dropping 2n540x diodes in place?  they should drop the
9.6v batt to the 5-6v servo voltage.

Fred


On Tuesday, August 14, 2001, at 09:56 PM, Andrew Loy wrote:

Hello again,
    I was surprised to find that my expansion board servo ports were
putting
9 volts. Is this the way the board was designed or is this in error.
Most
servos I have come across work in the upper 4 to 6 volt range. The
servo I
have runs uncomfortably hot when using the expansion board (and the
standard
9.6v battery, in other words in not using a secondary power supply).




Message has 1 Reply:
  Re: Is Expansion Board Servo Voltage Suppose to Be 9v
 
Yes, Fred, the diodes are in place. I Assume that is where I should start to test for opens, shorts and, bad diodes. Thanks for the help. Andy "Fred G. Martin" <fredm@alum.mit.edu> wrote in message news:200108150241.WA...net.com... (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)

Message is in Reply To:
  Is Expansion Board Servo Voltage Suppose to Be 9v
 
Hello again, I was surprised to find that my expansion board servo ports were putting 9 volts. Is this the way the board was designed or is this in error. Most servos I have come across work in the upper 4 to 6 volt range. The servo I have runs (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)

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