[Coco] CoCo2 Composite Boards (update)

[Juan Castro]

Since I have CoCo 2's of both types I'm OK with only putting B&W in the B
ones if/when I feel like it.

So... should I start Brazilian Stampede II, the Sequel?


Juan Castro
Enviado do meu Olivetti Programma 101

On Wed, Mar 4, 2015 at 12:42 PM, Zippster <zippster278 at gmail.com> wrote:

> Another update for everyone interested in the composite boards…
>
> I ordered 50 PCBs for the A type yesterday, so should be about 2 weeks on
> those.
> After going over some prices I’ve decided I’m going to offer these at $25
> ea assembled.
>
> I’ll be ordering the B boards soon.  After putting an oscilloscope to the
> board I can see
> the signal isn’t exactly where I want it, so I have a little adjustment to
> make there.
> Shouldn’t require a board redesign though, probably just a change in a
> couple of resistor values.
> I believe the difference is due to slight differences power supply
> voltages in the two
> motherboard types.
>
> A question for people wanting a B board.  Is the switch for B&W mode
> something people
> will want?  It adds about $8 to the overall cost.  I’m thinking about just
> offering this one as color
> only, though the connections will be on the board, so you could run your
> own switch.
> Some shielding will also be recommended for the B board if using B&W mode.
>
> - Ed
>
>
>
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