Re: TI-H: E2 (Shameless ad)...
[Prev][Next][Index][Thread]
Re: TI-H: E2 (Shameless ad)...
Hey brayn, I have to tell you its real nice that on the ticalc lists...
Where did Robert brack go? he was real nice too.
>Richard Piotter wrote:
>>
>> So one single chip can be used on any of the calcs when the driver is
>> complete??? No jumpers or any settings? It just works on =basic
>>TI-protocol or
>> some EII protocol and can comumicate with any calc, right!
>
>Yep, all of the calculators speak the same TI protocol. As far as I know
>the E2 will work with the TI-89 as well, when the Fargo II drivers are
>ported.
>
>> Do you have a SCALED PCB layout on your page. If you do, I'll just print it
>> out and transfer it to the PCB. How large/small?
>
>I'm doing the PCB layout in Protel98 (-AWESOME- EDA program, I wish they
>had
>a lower priced hobbyist version, because their demo expires in 30 days)
>Its
>1" by 2.25" right now, with a little space left over for some text. By
>the
>way that is SMALLER than the old Extender uP PCB and the E2 has even
>more
>stuff on it. It'll easily fit into a Radio Shack ~3x2x1" case, I think,
>with
>a 9V battery.
>
>I'm still making some final changes to the layout, since I made three E2
>PCBs
>but neither of them are acceptable in my opinion. The last one I
>actually
>put parts on, but it isn't working so well. I'm going to have to look
>over
>the layout to check for errors. Check your e-mail, I'm considering
>getting
>a small run of PCBs made. If you can fit the MMOD design into about the
>same space, I'll gladly consider making it the de-facto way all
>subcontracted
>E2s are built. I want to keep it as small but modular and buildable as
>possible.
>
>> What about the upgradability of the AVR??? Can you reprogram them??? If
>>so, do
>> you do a return and reprogram deal for a lower price or what??? Just asking.
>> Also does it support a busy light.
>
>My policy about firmware upgrades is basically as follows... I'll reburn
>your
>chip for free, regardless. If the upgrade is from a bug that was my
>fault,
>I'll pay the return shipping myself. If its just a new revision with
>more
>features, then you'll have to pay for the shipping.
>
>--
>Bryan Rittmeyer
>mailto:bryanr@flash.net
>http://www.flash.net/~bryanr/
References: