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Subject: 
Re: AC adapter for RCX: Polarity is irrelevant
Newsgroups: 
lugnet.robotics
Date: 
Tue, 22 Dec 1998 17:54:56 GMT
Original-From: 
dave madden <DHM@PARADIGM.WEBVISION.COMihatespam>
Viewed: 
1274 times
  
=>From: Bob Stern <stern@batnet.com>
=>...
=>I discovered that it doesn't matter what polarity voltage is supplied
=>by an AC adapter connected to the RCX.

Yow!  That's a scary discovery!  (Not the result, of course, but your
experiment design: "plug in RCX; verify that it works.  Reverse (+)
and (-) leads, plug in again, and see what happens.")

It's good to know, though: I was going to ask if anybody had the AC
adapter and knew which side was which.

regards,
d.

BTW, somebody was asking for a copy of legOS because of difficulties
downloading from Markus' site.  I managed to get it, so I've put it up
on my FTP site: ftp://ftp.webvision.com/pub/legOS-0.1.4.tar.gz (I hope
Markus doesn't mind!)



Message has 1 Reply:
  Re: AC adapter for RCX: Polarity is irrelevant
 
(...) Oh ye of little faith... the socket is marked ` 9-12V~ ', the ~ means AC input. Don't worry, be happy. :) - Ben. (26 years ago, 23-Dec-98, to lugnet.robotics)

Message is in Reply To:
  AC adapter for RCX: Polarity is irrelevant
 
I discovered that it doesn't matter what polarity voltage is supplied by an AC adapter connected to the RCX. Apparently, the power jack connects to a full wave bridge rectifier. In fact, it may work on pure AC. I notice it maintains power for a (...) (26 years ago, 22-Dec-98, to lugnet.robotics)

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