I think even with a single sided board the light shining through the
center of the pad might be enought to locate it depending on PCB
material. Or one could turn it over, of course.
ST
On Mon, May 24, 2010 at 10:37 PM, Mark Lerman <mlerman@...> wrote:
>
> I was thinking that the board would have to be upside down when you
> drilled it because the camera would have to see the top of the board,
> but you're right, there will be pads on the bottom of the board,
> too. Yes, camera on bottom is probably better, and certainly easier
> to implement. I've got a video otoscope that's made for close focus -
> have to give it a try.
>
> Mark
>