Re: TI-H: I'm Building EIIs very soon (when I get schematics)

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: I'm Building EIIs very soon (when I get schematics)
From: "Jickee_77" <lancerbb@alltel.net>
Date: Sat, 7 Mar 1998 19:38:33 -0500
Reply-To: ti-hardware@lists.ticalc.org



How much will it cost to get you to also install a SPInterface on the
calculator itself? Also the EII uses the AT45D041JC memory chip from Atmel
correct? Since I already have one of these in my posession can I just send
my calculator and memory chip and have you install the SPInterface and
build an SPI EII for me?  how much?
Thanks
Scott Bailey
lancerbb@alltel.net

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> From: Richard Piotter <richfiles1@hotmail.com>
> To: ti-hardware@lists.ticalc.org
> Subject: TI-H: I'm Building EIIs very soon (when I get schematics)
> Date: Saturday, March 07, 1998 4:55 PM
> I'll be making them for the link port and for the SPinTerface port.
> 
> I'll probably charge $60, plus $5 for the SPinTerface, plus $5 for 
> shipping for the SPinTerface version.
> 
> I'm guessing $65, plus $5 for the link version (If you provide a TI-TI 
> link cable. Otherwise i need to order one ahead of time so let me know. 
> Add $5 for it if you don't provide one (you'll still be able to use it 
> as a link cable))
> 
> The SPinTerface and Link EIIs are electronicly identical. if you want to 
> know what the EII does or how it works, ask Grant (gussie@alaska.net). 
> If you want to know what's different about them, it's simple. One plugs 
> into the SPinTerface port and draws power from the calculator. Oluging 
> it in activates it, and it is smaller because it won't need batteries, 
> power regulation or a power switch built into it. It's a small 
> cartridge. The link version has it's own batteries, a power switch, and 
> power regulation circuits. It has a larger box because it need to hold 
> the batteries, and you plug it into the link port. I'm planning on using 
> a cheap 3.5 stereo jack on it. Maybe a header (what do you think I 
> should use???). I'll add a small plug on the link cable (if you send 
> it), that lets it plug into the box. Otherwise, I can order a cheap 2.5 
> plug from mouser or digikey and use it instead. it will be permanently 
> attached to the EII though.
> 
> The EII is Grant and Bryan's project. I'm simply buying the parts from 
> them and building it for people. As soon as I get some more orders, i'll 
> ask Grant for chips.
> 
> Thanks!
> 
> Richard Piotter
> richfiles1@hotmail.com
> 
> The Richfiles TI Page
> http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
> 
> 
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