Wow, that looks super simple; thanks! > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Matthew Wilkins > Sent: Monday, January 24, 2011 7:14 PM > To: gEDA user mailing list > Subject: Re: gEDA-user: OT - Joystick control of stepper or > servo motors > > Seems like you could just use this example, add a second > axis, and replace the potentiometer with a 2-axis joystick. > > http://www.arduino.cc/en/Tutorial/StepperUnipolar > > http://www.parallax.com/Portals/0/Downloads/docs/prod/sens/278 > 00-2-AxisJoyStick-v1.0.pdf > > > > ----- Original Message ---- > From: David C. Kerber <[email protected]> > To: gEDA user mailing list <[email protected]> > Sent: Mon, January 24, 2011 4:41:25 PM > Subject: Re: gEDA-user: OT - Joystick control of stepper or > servo motors > > Actually, my first thought was to use an analog joystick, > since I have one floating around somewhere, but I thought > there would be more USB host controllers around for > reasonable prices. It's not looking like that so far, so I > may go with the analog option. If I do, then I have to be > able to tranlate the pot value of the joystick to a speed > signal for the drive motor. > > I'm still in the very early stages of this project, so pretty > much everything is up in the air at the moment. > > D > > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of > Colin D Bennett > > Sent: Monday, January 24, 2011 3:25 PM > > To: [email protected] > > Subject: Re: gEDA-user: OT - Joystick control of stepper or servo > > motors > > > > On Mon, 24 Jan 2011 10:19:53 -0500 > > "David C. Kerber" <[email protected]> wrote: > > > > > Hi, electronics gurus! I'm looking for suggestions on the best > > > inexpensive way to use a USB game joystick to control > > stepper or servo > > > motors. > > > > > > The application is using a joystick to drive the the platform > > > positioning knobs on a microscope, to help me keep the > > subjects in the > > > field of view, while I'm photographing them. I'll also be > > adding the > > > ability to trigger the camera shutter with the joy stick, > > but I don't > > > anticipate any trouble with that part; it's the motion > control side > > > that I have no experience with. > > > > As far as the joystick goes, you might try to find a > non-USB joystick. > > Maybe use a PlayStation 2 controller (two analog joysticks and > > multiple buttons for extra control features) or find a > cheap analog PC > > joystick. > > Using USB where it's not suitable means you have a lot of extra > > complexity and overhead. > > > > Regards, > > Colin > > > > > > _______________________________________________ > > geda-user mailing list > > [email protected] > > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > > > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > > > > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user >
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