> Yeah, already played with the robot ones.  They are open transducers.
> The sealed ones need a lot more drive level it seems.
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> I guess my question is really two-fold;
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> A) Does anyone have a reasonable reference design for interfacing to the =
sealed
> parking type sensors?
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> B) Is there some basic code out there that shows what's required the ping=
 and
> receive?
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> There are lots of Google hits for unsealed Tx-Rx pair system, but not muc=
h for the
> sealed all in one units.
> David...

Sounds like time to mount the 'scope in the car, and do some manoeuvring ..=
..


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