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 Robotics / 26478
  Ultrasonic Distance measurement
 
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. (18 years ago, 9-Oct-06, to lugnet.robotics)
 
  Re: Ultrasonic Distance measurement
 
(...) What kind of receiver amplifier do you use, these received signals are very-very small. see for example this: (URL) (18 years ago, 14-Oct-06, to lugnet.robotics)
 
  Re: Ultrasonic Distance measurement
 
(...) 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 (18 years ago, 14-Oct-06, to lugnet.robotics)
 
  Re: Ultrasonic Distance measurement
 
(...) hi Philipe, while I had too little webspace, and my kids are getting too old (so no more new Lego developments), I had to remove the site. But here it is again: (URL) fun, Stef (18 years ago, 15-Oct-06, to lugnet.robotics)
 
  Re: Ultrasonic Distance measurement
 
In article <J76vK1.Gpn@lugnet.com>, Stef Mientki <s.mientki@mailbox.kun.nl> writes (...) That is a great site, that I had not found before. Dank u wei. Cheers, Tony (18 years ago, 15-Oct-06, to lugnet.robotics)
 
  Re: Ultrasonic Distance measurement
 
(...) Great news! Thanks, Stef! Philo (18 years ago, 16-Oct-06, to lugnet.robotics)

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