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Subject: 
Re: AC Adapter Specs?
Newsgroups: 
lugnet.robotics
Date: 
Mon, 25 Jan 1999 05:07:03 GMT
Reply-To: 
[berwin@tufts.]spamless[edu]
Viewed: 
1262 times
  
The LEGO "toy transformer" outputs "12VAC   7VA"

-Ben

Michael Gasperi wrote:

Rich Thompson wrote in message ...
To make things things simpler, you can purchase an adapter at Pitsco Lego
Dacta:

Please, somebody do this and tell the rest of us what the adapter really is!

BTW: I use a 9VAC 500ma wall wart from an old modem.  Seems to work OK.



Message has 2 Replies:
  Re: AC Adapter Specs?
 
I hooked up my amp meter to the lego motors that come with the Mindstorm and they were drawing <= 100 ma. If my readings were correct I would think any 9-12V transformer that is greater than 300ma would work with the Mindstorm. It is not the current (...) (25 years ago, 25-Jan-99, to lugnet.robotics)
  Re: AC Adapter Specs?
 
(...) That explains why the internal CyberMaster motors when running at speed 1 sometimes make the unit tremble fast, almost like if the motors were being turned off and on at high speed. The effect is more noticeable when the batteries are weak and (...) (25 years ago, 25-Jan-99, to lugnet.robotics)

Message is in Reply To:
  Re: AC Adapter Specs?
 
Rich Thompson wrote in message ... (...) Dacta: Please, somebody do this and tell the rest of us what the adapter really is! BTW: I use a 9VAC 500ma wall wart from an old modem. Seems to work OK. (25 years ago, 25-Jan-99, to lugnet.robotics)

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