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> however, when i run the program, i receive numbers
> which i am not sure i understand. after i convert the
> numbers returned from the sonar to approximate
> distances (feet), i get sequences such as:
> 1.7
> -2.4
> 5.2
> .5
> -6.1
>
> i don't understand the negative numbers. or the
> sequences.
>
> would this be related to the note on the website about
> the installing a 0.1 µF capacitor in the C7 position?
> if so, how does one do that?
I would imagine that this is the case since Fred states on his page that it
won't work without it on most versions of the driver board.
The easiest way to do it is just desolder the two pads that align with the
c7 position on the HB. Stick a small electrolytic in there, get the
polarity correct! (it's marked on the board with a + I believe). and
resolder the cap in place. It's quite easy, but let me know if you have any
problems.
I can't say for certain that this is why this is happening since I've never
hooked it up without the cap, but I'd think it's likely.
Good luck,
-Jim Munro
<jimmn@xnet.com>
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