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 Robotics / 14529
14528  |  14530
Subject: 
Re: Wall transformer for RCX
Newsgroups: 
lugnet.robotics
Date: 
Tue, 27 Feb 2001 01:34:24 GMT
Viewed: 
749 times
  
The safest bet is to use a transformer that comes with one of the LEGO train
sets.  I asked LEGO via email and they recommended using one of these.  Here
are the specs of of it:

Input:  120VAC  60 Hz .12A
Output: 12VAC         7 VA

In lugnet.robotics, John Barnes writes:
I have seen a number of post asking the same question,

What to use for external power for the RCX (ver 1.0)

I have been using RadioShack;

cat # 273 1631  -  9v 800mA AC

This transformer has the correct size jack. The output voltage
is adjustable. I cut a small length of wooden toothpick and wedge
it in the slot in the switch to make sure it doesn't accidently get
adjusted to a setting greater than 9v.

One post asked about the connector polarity. It's AC so it doesn't
matter.

I have happily run all three motor ports at once with the rated 800mA
with no problems.

JB



Message is in Reply To:
  Wall transformer for RCX
 
I have seen a number of post asking the same question, What to use for external power for the RCX (ver 1.0) I have been using RadioShack; cat # 273 1631 - 9v 800mA AC This transformer has the correct size jack. The output voltage is adjustable. I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)

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