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Forum Index : Other Stuff : Home Built CNC Project

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Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 1206
Posted: 02:01am 20 Apr 2024
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G'Day Guy's,
           Well finally some shed time and got thinking about this project, now that old parallel port controller still worked from back in the day and years ago I did make a pcb breakout board to get access to all the pins.

Found all my data I recorded so got the old Mach3 info and the parallel port pin outs so connecting to the CMM2 will be easy.

I'm waiting on a PS2-usb dongle so I can get the mouse going, now I did have an old PS2/USB mouse a microsoft one and when trying to load that well the CMM2 reported the mouse didn't connect and went into error mode. Disabling the mouse fixed the problem and I do have an old PS2 mouse here.

Now the way I want to go is make a GUI file then each task can be done before moving on to the next one.

I did put 2 extra outlets on Z axis frame so the capture mode will be a good one to get going.

Regards Bryan
 
Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 1206
Posted: 07:52am 21 Apr 2024
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Well the fun continues I tried connecting my win10 laptop to the CMM2 and only to find windows said it couldn't recognize the drive   So thats one hurdle to get over next week.

Anyway I got on to Altronics today and got some pcb connectors so that parallel port board can have all new connections and for the output pins on the CMM2 got a mixed pack of breadboard connectors where I can simply solder on longer wires to suit.

Made a start on the code and with only a 3 day work week all the stuff should be here by mid week and I'll keep on writing the code at work over night for a few hours each night. Plenty of comments in the code so I can see just what I'm doing but I will get there in baby steps.

So my plan of attack is to use this old parallel port 3 axis controller which does have a second port for other items like a lcd displays etc. Also need to find just how the parallel port signals are used like OC or digital etc so more hunting.

Cheers Bryan
 
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