Additional Equipment

A robot isn’t much use without a brain. You’ll need a PC with a parallel port to run the DIYLILCNC. Wish you could use USB? So do we, and we researched long and hard before choosing parallel. In a nutshell, parallel will allow you to use an old underpowered PC to keep things cheap. This communication protocol also allows for real-time signalling, which is particularly crucial in an open-loop control system. While you can find USB stepper-control boards out there, they tend to be underpowered for this application.

We’ve kept the PC out of the budget because this type of box can often be had for free. Alternately, you might choose to build your own on the cheap.

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