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 Robotics / Handy Board / 7638
  servo ports on Exp board...help?
 
Hi the servo ports on my expboard seem to work fine, but when the servos are'nt active ( init_expbd_servos(0); ) and a motor is turned on the ports go crazy , servos will turn eratically, with hacked servos they just move in one direction. Would a (...) (25 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
 
  Re: servo ports on Exp board...help?
 
Hi, We saw this exact problem last year. Our servos went so crazy that they actually destroyed their gears and had to be scrapped. The fix is simple, solder a capacitor across the motor leads. The motor causes noise on the lines which the servo (...) (25 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
 
  Re: servo ports on Exp board...help?
 
Hi again, I should have mentioned this in the first message. In our case, the motor that was causing the problems was a fan motor (to blow out a candle) and it was completely electrically isolated from all of the other circuitry. It had its' own (...) (25 years ago, 21-Mar-00, to lugnet.robotics.handyboard)

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