Re: [CAD_CAM_EDM_DRO] NTSC, was Re: 6 axis ARCNC100 CNC board with constant contouring turned on

atelierrobin wrote:

> I would be surprised composite analog inputs would disapear on digital
> TVs that fast. At least for the next 10-15 years. They are so simple
> to implement and there will be alot of equipement outputing analog
> video for many years in homes. Think of all those game units, legacy
> equipement, etc.
>
> In any case, we did consider this alot and came to the conclusion that
> many users would either be using old TVs/monitors or CCTV monitors for
> this kind of application.

Most people will be using a set top convert for years to come even when
analogue TRANSMISSIONS stop. At the end of the day you still need
analogue somewhere on a CRT ;)

> We could have the same discussion about our pick of a PS2 keyboard
> port but the same logic applies. There will be PS2 keyboards available
> for many years still.
>
> Implementing a USB keyboard or digital video would be possible but
> would drive the cost up considerably. We are trying to put the
> emphasis on fast powerfull CNC features while keeping the cost low.

With an ITX motherboard not costing a lot, this will be the logical way
forward for expanding the range of interfaces - so there is no need to
build a vast overhead on a machine controller.

--
Lester Caine - G8HFL
-----------------------------
L.S.Caine Electronic Services - http://home.lsces.co.uk
Model Engineers Digital Workshop -
http://home.lsces.co.uk/ModelEngineersDigitalWorkshop/
Treasurer - Firebird Foundation Inc. - http://www.firebirdsql.org/index.php