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 Robotics / 8890
  Re: External Power Port Problem..?
 
Jonathan Perret wrote: [snip] (...) Hi Jonathan ... yep, the 1.0 RCX can take AC or either polarity DC. The LEGO wall wart supplied with their train delivers 10 or 11 volts AC ... and works fine on the RCX. Have fun, - Nick - (25 years ago, 9-Dec-99, to lugnet.robotics)
 
  Re: External Power Port Problem..?
 
(...) Yes, but this may be the very reason it has been dropped. A lot of people have connected DC supplies capable of delivering far more current than the correct transformer. The problems are that when using a DC supply, only two of the diodes in (...) (25 years ago, 9-Dec-99, to lugnet.robotics)
 
  Re: External Power Port Problem..?
 
(...) This is my take on the problem: Many (most?) DC wall warts supply a voltage as much as 200% of the rated output when lightly loaded ... so a really big 12VDC wall wart may supply as much as 20+ volts to the RCX. As careful as TLG is in (...) (25 years ago, 9-Dec-99, to lugnet.robotics)
 
  Re: External Power Port Problem..?
 
(...) This is my take on the problem: Many (most?) DC wall warts supply a voltage as much as 200% of the rated output when lightly loaded ... so a really big 12VDC wall wart may supply as much as 20+ volts to the RCX. As careful as TLG is in (...) (25 years ago, 9-Dec-99, to lugnet.robotics)
 
  Re: External Power Port Problem..?
 
sorry about the double post - N - (25 years ago, 9-Dec-99, to lugnet.robotics)

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