In Reply to: Re: ultrasonic distance meter circuit posted by joel martin on 08/29/02 at 10:34 PM:
How much would you be willing to pay for an Ultrasonic Mesurment kit? Including PC Board, parts, and instructions.
I get so many questions that perhaps I could make and sell some.
Here is a repeat of some sites I found.
For circuits I found:
Educational project (you might have to email the authors):