Subject:
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Re: legOS not working with external relay switches
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Tue, 12 Mar 2002 17:38:36 GMT
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Viewed:
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1892 times
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I think I remember hearing that legOS full power is actually about 99% power
??? Something to do with an optimization to the code, which would otherwise
require special handling ??? This is a vague memory - can others confirm
???
Max.
----- Original Message -----
From: "Kingsley Gifford" <kgifford@thezone.net>
To: <lugnet.robotics.rcx.legos@lugnet.com>
Sent: Monday, March 11, 2002 8:53 PM
Subject: Re: legOS not working with external relay switches
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:3C8BDD44.8090806@thezone.net...
> 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
>
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