Subject:
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Re: IR (formally 6.8nF cap)
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 14 Jul 2000 12:46:52 GMT
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Viewed:
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1251 times
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yes, a variance of 1 kHz in the carrier frequency makes no difference
at all to these sensors.
f.
In your message you said:
> So as the 39KHz value would be ok for either the IS1U60 (38KHz) or the
> hacked sensors (40KHz), will my idea for the hacked IR sensor distance
> measurement using the IR output circuitry to drive multiple LEDs also be
> valid ?.
>
> Thanks for the help.
>
> John Hatton.
>
>
> Fred G. Martin wrote:
>
> > there's not really a big diff in the performance of the ir sensors
> > given 38 or 40 khz. so either is fine, +/- a few khz just doesn't
> > really matter, you have to detune 10 khz or so for it to matter.
>
>
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Message is in Reply To:
 | | Re: IR (formally 6.8nF cap)
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| So as the 39KHz value would be ok for either the IS1U60 (38KHz) or the hacked sensors (40KHz), will my idea for the hacked IR sensor distance measurement using the IR output circuitry to drive multiple LEDs also be valid ?. Thanks for the help. John (...) (24 years ago, 14-Jul-00, to lugnet.robotics.handyboard)
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