Subject:
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Re: Ultrasonic Distance measurement
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 14 Oct 2006 08:34:35 GMT
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Viewed:
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7824 times
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Ultrasound wrote:
> I have a 40 Khz ultrasonice transmitter reciever pair. I am using the
> transmitter on a 40Khz oscillator circuit. I do not recieve anything on the
> reciever. Can anybody please help???? The transmitter am using is SQ40T and
> the reciever is SQ40R.
What kind of receiver amplifier do you use,
these received signals are very-very small.
see for example this:
http://oase.uci.kun.nl/~mientki/data_www/pic/projects/rapid_prototyping/rapid_prototyping_us_ranger.html
Stef
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Message has 1 Reply:
 | | Re: Ultrasonic Distance measurement
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| (...) Sorry for the thread hijacking, but... Stef, where are your wonderful Lego sensor hardware pages? I can no longer find them on the web! I'm missing them, and probably a lot of people too! Philo (20 years ago, 14-Oct-06, to lugnet.robotics)
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Message is in Reply To:
| | Ultrasonic Distance measurement
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| I have a 40 Khz ultrasonice transmitter reciever pair. I am using the transmitter on a 40Khz oscillator circuit. I do not recieve anything on the reciever. Can anybody please help???? The transmitter am using is SQ40T and the reciever is SQ40R. (20 years ago, 9-Oct-06, to lugnet.robotics)
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