Subject:
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Building Sensors/Lights ect.
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 7 Feb 1999 03:04:07 GMT
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Original-From:
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Sam Edwards <sam.is@home.%avoidspam%com>
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Viewed:
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1403 times
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What is the best way to build a new sensor or light that is housed in a Lego
shell. Also could I just hook a laser diode strait up to a Lego wire and
plug it in, or would I have to hook a resistor or something up?
thanks.
----------------------------------------------------------------------------
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Sam Edwards
"On the keyboard of life, always keep one finger on the escape key."
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: Building Sensors/Lights ect.
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| I use a laser diode to send voice signals in my class. I modulate it with a transistor and set it so approximately 3 volts DC is dropped across tht laser diode. I would recommend at least a 100 Ohm resistor in series with the diode. It is polarity (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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