Subject:
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RE: Home-made Light Bricks
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 28 Jan 2000 00:24:10 GMT
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Original-From:
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Tilman Sporkert <tilman@activesw.STOPSPAMcom>
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Viewed:
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922 times
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I brought up the pulsing in connection with a de-multiplexer, not to avoid the
resistor. If you just want to hook up a pair of LEDs to the RCX motor output, by
all means, use a proper resistor, and use forward/stop/reverse settings only.
Not using the proper resistor will fry the LED very quickly.
> I would avoid exceeding the current rating on a LED, even for a fast pulse.
> It's much easier to design a circuit with the proper current limiting
> resistor, then to experiment with pulse widths. A wrong pulse width, with no
> current limiting, will fry a LED instantly.
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Message is in Reply To:
 | | RE: Home-made Light Bricks
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| I would avoid exceeding the current rating on a LED, even for a fast pulse. It's much easier to design a circuit with the proper current limiting resistor, then to experiment with pulse widths. A wrong pulse width, with no current limiting, will fry (...) (25 years ago, 27-Jan-00, to lugnet.robotics)
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