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hello gentlemen.
starting from the screen is Sam, I made some changes....

I've just started looking at the frame for my new machine and whilst looking at different ideas I have come up with what I think is a nice simple design that could be used as a basis for most...

Hi guys,
thanks to all for the valuable inputs.

For now i have to wait until they cut with laser the pieces, so i can proceed further.

Meanwhile as a thanks to all for the help...

Hi
I need to convert this parallel board to USB but the firmware codes aren't suitable for it. Each pin of the parallel port goes through a Fet directly to the a coil of a motor. It controls 2...

In the first place happiness for their project. I am a student that I would like to carry out this badge USB. The problem is that my parallel port is different and therefore I cannot make it. My...

Here are a few screen shots of a screen set I designed for controlling a hot wire foam cutter.
2869

2870

Here is the screen set if anyone is interested....

usb.org
Click "Developers"
Click "two option" link in "Getting a vendor ID"
Click the third of the two options, ""vendor ID" no logo licence
Gets you here......

I just had a quick look on www.usb.org and it seems you can now get vendor ID numbers for a mere $2k.

Not as bad as I remembered it but they've now added a clause to say you can't sell numbers...

The USB device ID is a combination of device, interface and endpoint configurators. These are set by firmware after the PIC is reset and then the sequence is:


When the device is initially...

If any USB device makes the noise, they all will.

The computer finds a USB device and gets it's unique product ID number. Then it goes "dee-dum" and looks for software matching that number.
...

I've done a (very) quick hash at a schematic - with a few revisions:

The PIC to be programmed in-circuit with a PICkit2 or PICkit3. You'll need to make sure your CNC device is unplugged when you...

FREE USB-Parallel Port Interface
Released 08/03/2006 - Updated 12/03/2006.

Do you drive your Motor Controller usually via the Printer Port?

Well now you can convert it to USB with this very...