Re: TI-H: *Great News*
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Re: TI-H: *Great News*
Rich, untill you solder 20 wires on to your calc, and even if you do,
direct bus access isn't going to ever catch on...
>From: Richard Piotter <richfile@prairie.lakes.com>
>>Except that thicker is easy.
>
>This is very similar to what I was thinking, I have
>been trying to come up with a way to do this by hand,
>without requiring a mold or something, but I haven't
>come up with anything.
>
>>make a simple ring like this:
>
><snip, nice ASCII BTW>
>
>>This makes the mold MUCH less complex. The yop side is a mold of the
>bottom
>>half of the original case and the bottom of the mold is a copy of the
>top half
>>of the calc. This also iliminates the need to include a battery case
>into the
>>mold.
>
>You would have to move or otherwise extend the two contacts that are
>on the board, and the backup battery contacts, but no big deal. Might
>be nice actually, if the back was connected to the battery case with
>wires, you could take it apart without loosing your memory.
>
>>It should have enough room for a 1 inch diameter Black Piezo electric
>>speaker from Rat Shaq.
>
>I don't know how thick those are, but you might consider cutting a
>hole in the back of the case for it to stick thru. that would reduce
>the required thickness, and make it easier to hear.
>
>>as well as a volume control.
>
>Easily mounted on the side.
>
>>My recomendations, SPinTerface, Link, Speaker, earphones, volume
>control,
>>several switches mounts, and a DBA (Direct bus access: 34 pin female
>header
>>containing Data, address, and control lines). Any other ideas??? I
>prefer the
>>wide case, but since this one is so simple, it is most likely the
>best choice.
>>I think it NEEDs to be 1/2 inch thick to matter. I can work on a
>layout for
>>parts and mountings.
>
>Probably would be easier to mount stuff if it was closer to 3/4 or so.
>I would prefer to have just a nonspecialized ring extension. Then I
>can put switches and ports wherever I need, without worrying about
>what has been pre-placed.
>
>The DBA connector would be neat placed on the back, so you could
>attach another custom case piggyback on it, with custom electronics
>to do whatever you needed. it would be awkward hanging off the side.
>On the other hand, a simple flat ribbon cable could plug into the
>side.
>
>DK