Subject:
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L.E.D. question.
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 22 Feb 1999 15:59:50 GMT
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Original-From:
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Steve Wall <SWALL@FLEMINGC.avoidspamON.CA>
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Viewed:
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864 times
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What are the L.E.D. voltage ratings for the L.E.D's on the interface
board I purchased one(at Radio shack) with a rating of five volts.
Which should be O.K right? any help would be appreciated. I have to
improvise to get such components cheap.
Thanx in advance
___________________________________________________
Steve Wall
Sir Sandford Fleming college
Swall@flemingc.on.ca
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Message has 1 Reply: | | Re: L.E.D. question.
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| Typical drop across an LED is about 1.45v. A unit rated at 5v likely has a build in voltage drop/current limiter (read resistor). I would suggest reading the info sheet for absolute ratings. In general, 'any' generic LED will work. Buy the cheapest (...) (26 years ago, 23-Feb-99, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Sharp Ir and Eltec 442 Pyro detector
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| Hi guys, I was wondering if anyone of you could help me. I'm trying to connect a hacked version of a Sharp GP1U58Y Ir detector(hacked so it is now analog instead of digital) to the HB so as I could use it for Ir Proximity sensing or distance (...) (26 years ago, 22-Feb-99, to lugnet.robotics.handyboard)
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