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Re: gEDA-user: OT - Joystick control of stepper or servo motors

On 01/24/2011 09:43 AM, DJ Delorie wrote:
An alternate solution is to google for one of the bazillion parallel
port to stepper interfaces, or a PCB USB to stepper controller.  Why
re-invent the wheel when you can just use a PC?

One reason would be for existing instruments designed with USB device
endpoints in them.  Some microscopes already have USB drivers for controls
and having a USB host could keep all that separate from the workstation.
Have all the settings saved even if the workstation is turned off, etc.

Ecosensory   Austin TX

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