Hi Ken,
My hardest board so far has 12 ICs 2 Transistors 32
diodes 15 resistor 1 parallel port connector and 17 caps. All
on a single sided 4" X 6" board. This is a spin off of my
transistor output board. The board has over 30 wire jumpers.
I almost gave up after putting the L298 in backwards. I used
the data sheets. The drawing led me to think pin one was on
the short pin row. The boards are milled at 6" per minute and
they take an hour an a half to mill. This includes the starter
holes in the pads. The board works and the hold up is the
heatsink. L298s get much hotter than I expected. To cut
costs I designed a homemade heatsink.
John
--- In Homebrew_PCBs@y..., Randy Knutson <ken_ryder@y...> wrote:
>
> Hi everyone:
> Just out of curiosity I was wondering what the most complex board
anyone on this group has ever made... Homebrew style and complicated
being number of layers, components, nets density, etc. I am
interested in hearing your stories!
> Thanks!
> Randy Knutson
>
>
>
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