Mach 3
Gecko 251X

I have ran my DIY CNC for a little over 10 years, having minimal difficulties with it, but recently my old XP PC was in the stages of giving up, and I lost the magic smoke from my original parallel controller.

So I want to keep those 251’s but add a much newer PC running Win 10 and a USB controller.

I ordered a SainSmart USB controller, and have struggled getting them to answer standard connection questions.
I sent a email to Gerry (2010 screen set developer) and he was concerned about the reliability in probing.

Questions:cable
Has anyone used the SainSmart USB controller with 251’s? Need the wiring connections.
Any experience with probing reliability?

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