[Coco] CoCo2 Composite Boards (update)

[Juan Castro]

Well, Gustavo Shoenaker has been compulsorily volunteered :-P to manage the
loot this time. Let me rest and just pay and wait for my toy, for a change.


Juan Castro
Enviado do meu Olivetti Programma 101

On Wed, Mar 4, 2015 at 7:34 PM, Juan Castro <jccyc1965 at gmail.com> wrote:

> 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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>> Coco at maltedmedia.com
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>>
>
>