Subject:
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re: IR frequency (fwd)
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 29 Mar 1997 19:11:17 GMT
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Original-From:
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Sriram Tirunellayi <sriram@ds5500.cemr.=IHateSpam=wvu.edu>
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Viewed:
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1517 times
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>
> how do i find out if the IR transmitter (on handy board) is sending
signals at exactly 38KHz?
somebody had suggested using an oscilloscope..but how do i go about
it?
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Message has 1 Reply:
 | | re: IR frequency (fwd)
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| Connect the ground from the oscilloscope to the HB ground (anyone). Connect the V from the oscilloscope to the + end of the LED driver (or the annode of the LED if it's connected). Adjust the oscilloscope until you get a visible square wave (...) (27 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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