Subject:
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Re: parallel RCX outputs
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Sun, 23 Jul 2006 17:34:28 GMT
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Viewed:
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10660 times
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In lugnet.robotics.rcx, Juergen Stuber wrote:
> > A Forward B Reverse - FLASHing ON
> > B Forward B Reverse - FLASHing ON
>
> The outputs are fighting each other.
> The flashing is an interesting phenomenon, I would guess
> a thermal protection circuit triggers intermittently.
The flashing is a feature of the 1x2 and 1x4 lamps... if run in one direction,
it's solid, but in the other it flashes. This comes from the old light and
sound sets, where you might well want a flashing light. You're right that the
two outputs are fighting each other, but I'd guess that for whatever reason, the
reverse is winning a little bit. If you put the lamp on a single output and
reversed it, you'd get a flashing result too.
Peter
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Message is in Reply To:
 | | Re: parallel RCX outputs
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| Hi Chris, (...) I think so (warning, this is based only on theoretical knowledge). (...) That should be ok. Setting the power level might not work correctly, from looking at the ROM code it seems the PWM waveforms are not synchronized. Now comes the (...) (18 years ago, 22-Jul-06, to lugnet.robotics.rcx)
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