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I bought the CNC 3040T on Ebay. In the control box is a JP-382A controller. Does anyone know the micro stepping setting for this board? I don't see any switches or jumper to select the stepping....

I got the control box with the letters "T-D"

Hi everyone,

I bought a used 3040T cnc machine with parallel port.

Now my goal is to control it via USB over a Arduino Nano or Duo with GRBL

PC -> Arduino with GRBL -> Control Box

Know...