Re: [CAD_CAM_EDM_DRO] Gecko power requirements

Weyland wrote:

> Okay, now I'm jazzed having the power supply built.
>
> I *had* been planning on using another computer power supply
> to deliver the 5 volts for the logic parts of the Geckos, but
> noticed a mention of getting it from the parallel port of the
> controlling computer in the Gecko white papers.
>
> I'm a little unclear on the wording of it,
> but it appears to me that I can eliminate
> the secondary power supply and just use the
> parallel port to get this voltage.
>
> Am I getting this correctly?

No, the parallel port does not deliver +5 V. (You can get some
positive voltage from the signal lines, but only a few mA of
current.) You can get +5 v from the GAME port, on Pins 1, 8, 9
and 15. (grounds are 4, 5 and 12.)

Jon