Spotted over on Hack-a-day, would be great on a quadcopter.
http://www.kerrywong.com/2011/01/22/a-sensitive-diy-ultrasonic-rang...
I needed some ultrasonic range finders for my project. But most of the commercial sensors like Parallax’s PING sensor and other similar products are quite expensive, especially if multiple units are needed. So I thought why not building it myself?
Comment by bGatti on January 25, 2011 at 3:20pm Quite cool. Perhaps a motor driver IC (or audio amp) could be used in place of a discrete bridge?
Comment by Ronald Messino on January 26, 2011 at 11:02am Comment
Season Two of the Trust Time Trial (T3) Contest has now begun. The third round was a reliablilty/aerial photography round for both planes and copters, which is now closed. Stay tuned for the next round, beginning soon.61 members
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