Re: Tom Kulaga's 4 axis DRO

Dan Mauch wrote:

> From: "Dan Mauch" <dmauch@...>
>
> I have built Tom Kulaga's 2 axis DRO. I made a few changes. In stead of
> using a db25 connector I used a 5 pin ramped locking header. That makes
> running cables to the encoders a lot easier. Second , I did not wire wrap
> it. I made a double sides ISA PC board using my home equipment. The board
> did not work at first with Tom's software. The reason was that the software
> on the Tom's web site required a math co processor. I was Using a 486-33sx.
> I bought a 486-66DX2 CPU and pluggged it in. The DRO worked GREAT! I am
> using the US digital inear encoders . I emailed Tom about the problems with
> the CPU. He fixed those and now the software works great with either a SX or
> DX2. I plan to try it with a 386-16 soon.
> In any case the program and Tom's schematic work great. However it would
> have been better if it supported 4 axis. So I emailed Tom and he redid the
> software adding the third and fourth axis. The software will detect whether
> you have a 2 axis board or a four axis board. The setup is quite easy. In
> any case I made a new pc board for a 4 axis systemn to plug into my ISA slot
> and it works great also. I can move the linear encoder as fast as I can and
> it keeps perfect track. I could only move two axis simultaneously but it
> worked flawlessy.
> I have talkd with Tom about a few more features like being able to use the W
> axis in degrees . He has agreed to make those changes and add a metric
> conversion. Look for his revised software soon.
> I am so impressed with the DRO 4 axis board that I would be willing to
> spring for a batch of commercial made boards if there is enough interest.
> The boards would cost about $16-$20 depending on quantity ordered and other
> factors. At $16-$20 a board plus the components, the electronic portion
> would cost you about $70-$80 in parts not including the encoders. I can
> also arrange for assembly if you aren't good with electronics or you just
> don't have the time or would prefer an assembled and tested version.
> Email me at dmauch@... if you are interested. I think I would need
> about 25 orders to make it worth while and to keep the cost down. It would
> take 21 days to get the boards made.
> Dan

Hi All

re the above

Where do I get information re Tom Kulaga's 2 axis DRO and circuits and software.

Regards

Frank