1. #1
    Lee Roberts's Avatar
    Lives in Wigan, United Kingdom. Current Activity: Viewing Moderator Control Panel Has been a member for 9-10 years. Has a total post count of 2,544. Received thanks 161 times, giving thanks to others 652 times. Made a monetary donation to the upkeep of the community. Referred 10 members to the community.
    Just found this via kipper: http://cgi.ebay.com.hk/ws/eBayISAPI....1&category=633

    Surly we can make these for allot less ? is there anything special inside these i may not know about ?

    Zapp also wants: http://www.slidesandballscrews.com/i...2708d04a19410a

    So all that is really needed is a nice case to mount the hand wheel and switches in or is there somthing special inside these units ?
    .Me

  2. #2
    Quote Originally Posted by Lee Roberts View Post
    Just found this via kipper: http://cgi.ebay.com.hk/ws/eBayISAPI....1&category=633

    Surly we can make these for allot less ? is there anything special inside these i may not know about ?

    Zapp also wants: http://www.slidesandballscrews.com/i...2708d04a19410a

    So all that is really needed is a nice case to mount the hand wheel and switches in or is there somthing special inside these units ?
    That's like mine!!.

    Nothing special at all Lee. They wire direct to your BOB (+5v, GND, and two inputs) then tell Mach which inputs and that it is an MPG, simple as that. The only problem comes if you are running out of ports on your BOB in which case you could just add a second parallel port and a BOB for a few quid. You will also need a couple of switches to tell Mach which axis is selected. I've modded mine with extra switches for cycle start, stop, Step or continuous jog by using the wires from the 5th and 6th axis inside the case (which I will never use)

    Probably be able to make one for less than 70 quid all in, maybe even less.

    Got to say that the one I have is very well built and works beautifully.

    Jeff
    Nothing is foolproof......to a sufficiently talented fool!

  3. #3
    Lee Roberts's Avatar
    Lives in Wigan, United Kingdom. Current Activity: Viewing Moderator Control Panel Has been a member for 9-10 years. Has a total post count of 2,544. Received thanks 161 times, giving thanks to others 652 times. Made a monetary donation to the upkeep of the community. Referred 10 members to the community.
    ok thanks for that Jeff, i just wanted to know because they seem like high prices for what they really are.

    I was pointed to these the other day: http://cgi.ebay.co.uk/ShuttlePro2-CO...em270288548673

    Seems like a better price to me, although a small ali box with everything mounted to it would also do the job, would also be handy for later expansion as well if it was a "home-brew" device.

    EDIT: i think kip said he's got one of these, they do a smaller version as well. Here is a vid of this one being used:

    http://www.youtube.com/watch?v=Oc-9gTFj-y4
    .Me

  4. #4
    Hi Lee,

    That's a Shuttle Pro, MAch has a plugin for it. I did consider it as It works very well so I'm told. I went for a pendant because I wanted to keep my USB port free as possible to avoid any issues with the SmoothStepper. I'd noticed a couple of times I had missed steps when I'd tried the XBOX360 controller on the same USB port.

    I do know the Shuttle has two rings which you can set up for continuous jog on say, the outer and step on the inner, plus you have all those configurable buttons ready to go :p

    Let's have the SP from Kip! Not seen him on here for a wee while.

    Regards, Jeff.
    Nothing is foolproof......to a sufficiently talented fool!

  5. #5
    Quote Originally Posted by skittles View Post
    On the subject of making one, one could probably design a simple circuit with a PIC and some quad bi lateral switches to enable for the switching of the various signals, a circuit board could then easily be designed with smd components, it could be milled to a shape, and then a case milled from plastic to the same shape and voila, you have a pendant.

    How do these things work? Are they just pulling certain input pins to the parallel port high (or low)?

    Regards
    Can you have it ready by say, next weekend?:p

    And, yes, I believe that is how they work.

    Regards, Jeff.
    Nothing is foolproof......to a sufficiently talented fool!

  6. #6
    Lee Roberts's Avatar
    Lives in Wigan, United Kingdom. Current Activity: Viewing Moderator Control Panel Has been a member for 9-10 years. Has a total post count of 2,544. Received thanks 161 times, giving thanks to others 652 times. Made a monetary donation to the upkeep of the community. Referred 10 members to the community.

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