My name is Patrick. I'm a french Canadian. So dont be surprise to see some mistake in the text.
Me and my friend, Claude, are trying to make ours own machine. He want to make an engraving machine to make pcb and me I'm building an plasma cutting machine. (want to ;-))
I have find a linear track and i'm trying to reproduce them to a longer size. I send you a picture. Sorry for the poor quality of my web cam, will take some better picture when i have more to show.
We have built each a uln2803 of Luberth and we have explored some qbasic program to run on. It's ok ! some work. But your software look very good!
My friend have add some trick on the Luberth card. optocoupler and transistor. I'm working to remake this circuit whit eagl pcb. And your web site are good to! Congatulation! | 
