Re: LPT1

Keith,

I have no idea whether a USB to LPT converter will provide the
required voltage, but you should also consider the software you are
planning to use. For example, TurboCNC ONLY runs under pure DOS and
unless you have DOS drivers with the USB to LPT connector that will
allow you to output to the standard LPT addresses, I bet you will be
out of luck. If your software is Windows based as I understand some
are (Maybe Mach??), this may not be a concern.

Chris

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Keith Bucklitch
<keith.bucklitch@w...> wrote:

> I am interested in the comment that sufficient voltage is

available from a

> USB port. I was looking to purchase a new laptop the other day to

drive my

> CNC interface, and was surprised to find that this particular make

(Acer)

> did not have a parallel port as standard. The salesman tried to

sell me a

> USB to Parallel converter, but as I was unsure that such a device

would put

> out sufficient volts, I declined the sale.
>
> Can you confirm that the voltage from one of these USB-parallel

converters

> will put out sufficient volts?
>
> Keith
>
>
>
> At 05:19 08/08/2005, you wrote:
>
> >In a message dated 8/7/2005 7:31:48 P.M. Central Daylight Time,
> >dave_mucha@y... writes:
> >
> >You can get 5v from the PC if the PC has 5V, but if you have

less, that may

> >be a problem.<<
> >On newer PC's, you can steal 5VDC from a USB port. If you don't

have those,

> >there is almost-surely an unused "disk-drive power-plug" inside

(the white

> >things with the red, yellow, and two black wires). The Red wire

should be 5

> >VDC. The blacks are Gnd. (-ve). The yeller is 12 VDC.
> >
> >
> >
> >
> >
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