Re: About to start building a CNC wood router

It seems that the problem with these units are 5 volt power for the
Gecko's and something more than a simple darlington for the outputs.

Dave



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Scott Holmes" <norgasm@h...>
wrote:

> I'm not sure what the specs on the 1500HD were, but I happen to

have several

> Toshiba T1000's laying around here. They're coveted by packet radio
> operators and are a minimal form factor and are rugged as hell.

they boast

> 512k of RAM, ...an 80c88 brain single 720k floppy drive, and DOS

2.11 in

> ROM.... no HD, no DOS updates.... but like you said, event though

the

> batteries are long-since dead, there's still plenty of life left

in 'em.

>
> http://home.bip.net/baxtrom/t1000/
>
> Scott Holmes
>
> > Now, in all seriousness: One of the most useful "PC's" to run a

small

> > home-brew CNC lathe or mill happens to be the long-discontinued

Tandy

> 1500HD
> > "laptop" ('91-'92?), with wall-wart connected, as ALL the ni-cad

packs for

> > those have long ago passed away. (Price a NEW replacement, and

YOU will

> pass
> > away!) That is a no-nonsense monochrome MSDOS mouseless little

computer

> with
> > sufficient clock-speed for ANY home-brew CNC purposes; it is

compact, NO

> > "wasted real-estate" with mouse-pad nor separate keyboard and

monitor, as

> has
> > a "desktop". Trouble is, THEY JUS' AIN'T NO MORE of 'em! I got

the last

> > four I could find on e-bay, and three of those are NG (but

maybe "for

> > parts"?)
>
> > So... Any wizards out there know a practical mouseless

monochrome laptop

> > running MSDOS/GWBASIC which we can find for less than $50 (well,

not incl.

> > postage!)???
>
> > Discuss? Jan Rowland