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 Robotics / 17442
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Subject: 
Re: legOS not working with external relay switches
Newsgroups: 
lugnet.robotics
Date: 
Mon, 11 Mar 2002 20:53:47 GMT
Viewed: 
1865 times
  
three 2200uf capacitors fixed the problem

but does anyone know why the difference between legOS and the standard
firmware??

"Kingsley Gifford" <kgifford@thezone.net> wrote in message
news:Gss5st.I5F@lugnet.com...
> I'm in the process of "reviving" past inventions with my new knowledge
> of legOS.
> 
> One such invention (if you can call it that) used 3 12V relay switches
> to control external circuits. Full power on the outputs would trigger
> the relays.
> 
> however, under legOS the relays will not fire. I use
> motor_a_dir(fwd);
> motor_a_speed(MAX_SPEED);
> 
> but the relay only buzzes/humms as it did when used with nqc at anything
> less than full power.
> 
> What's the command for full power to the outputs under legOS?
> 
> --i didn't try a program today with nqc, but i did reset the rcx and
> used program 1 in the rom. it fires the relay fine, so it is not a
> hardware problem.
> 
> thanks
> 
> 
> 



Message is in Reply To:
  legOS not working with external relay switches
 
I'm in the process of "reviving" past inventions with my new knowledge of legOS. One such invention (if you can call it that) used 3 12V relay switches to control external circuits. Full power on the outputs would trigger the relays. however, under (...) (25 years ago, 10-Mar-02, to lugnet.robotics)

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