Hi James,

Have you checked out www.hobbycnc.com, Dave has plans and stepper motors 
and he's in the US.

regards

Lee McLaren


James Newtons Massmind wrote:

>The controller is ready... I just can't seem to find anyone to try them out
>with a small CNC unit before I start advertising the combination. I really
>don't want to have to build the physical unit as well as the controller. I
>am working on my own design for one, but I don't see that being complete
>anytime soon and that has never been my intention. 
>
>I want to find someone who can make a small hobby CNC mill for not a ton of
>money and sell my controller with it. I am working with a guy in Finland who
>has produced a good design for a basic unit but shipping it from their would
>be dumb so selling the plans is the only option for that unit.
>
>I currently have the driver units in kit form but no CNC machine to sell
>with them. If you have something that could be controlled with it, I would
>be happy to sell you one for $30 (my cost) 
>
>--- AND THEN ---
>
>IF you build it and connected it to something and send me a picture I will
>pay you back $10 (via PayPal)
>
>If you describe the operation of the system (positive or negative) in at
>least 200 useful words, I will pay you another $10.
>
>If you send detailed pictures of something that was made with your unit
>while driven by the Quickstepper, I will send you another $10.
>
>The end result is that I will give away the unit, in kit form, to anyone who
>will actually try it.
>
>I can't send any more units out for free no matter how solid a promise I get
>that it will be tried and reported back. (Do you smell something burning?)
>
>And of course, if your CNC machine works ok with the Quickstepper and can be
>sold for a reasonable price, I will be happy to help market and resell the
>combination.
>
>Pictures and online manual are at
>http://www.quickstepper.com 
>
>For anyone who might be interested, the design is simple with regard to the
>hardware, just a standard unipolar drive, no chopping, simple PC PS
>connector, TTL level serial (use an adapter
>http://www.piclist.com/io/serial/rcl1
> or just wire it up yourself with a resistor) and screw terminals for the
>stepper wires.
>
>But the software is unique. It communicates with a Windows PC over RS-232
>serial. The stepping waveforms are generated in a microcontroller; the
>Windows PC sends line segments to the microcontroller, and the
>microcontroller turns a request to "move in a straight line 0.100 to the
>left and 0.500 forwards" into a sequence of steps to the x and y motors. 
>
>This allows us to generate precisely-timed waveforms from a Windows PC;
>Windows does not provide accurate timing, so we could not do this if we
>generated the waveforms on the PC. It allows us to drive the stepper motors
>faster, and ramp up the speed slowly instead of starting abruptly from a
>dead stop. 
>
>So we get to work in Windows, and still run the motors as fast as possible,
>including ramping up and down without missing steps.
>
>Future versions will drive 3 of the linistepper units
>http://www.piclist.com/io/stepper/linistepper
> to provide fantastically smooth linear microstepping and may begin to
>support chopping for digital microstepping. Basic G-code support is also
>possible. Support for bi-polar steppers is not planned.
>
>---
>James.
> 
> 
>
>  
>
>>-----Original Message-----
>>From: piclist-bounces@mit.edu 
>>[mailto:piclist-bounces@mit.edu] On Behalf Of Aaron
>>Sent: 2005 Feb 04, Fri 09:57
>>To: Microcontroller discussion list - Public.
>>Subject: [AD]: (will be) Small CNC mill, controller and 
>>software for ~$500
>>Importance: Low
>>
>>On Mon, 19 Jul 2004 18:05:47 -0700, James Newton, Host 
>><jamesnewton@piclist.com> wrote:
>>    
>>
>>> I'm getting geared (hah!) up to offer a  small (6"x6" travel) CNC 
>>>mill with a  "brains on board" three axis controller  and custom 
>>>software that accepts  gerbers or HPGL. The only 
>>>      
>>>
>>requirement  is for 
>>    
>>
>>>an old Windows BOX (e.g. P1)  and a power supply.
>>>      
>>>
>>James,
>>
>>Did you end up getting this project off the ground?
>>
>>Aaron
>>--
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>>your membership options at 
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>>
>>    
>>
>
>
>  
>

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