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Brains Development / MODBUS and Mach3 Signals

« on: March 11, 2019, 02:48:48 PM »

Hi everyone,

I am trying to connect an Arduino Uno with CNC Shield with Mach3 through usb.
I can't find how can I transmit signals for step/dir from Mach3 to Arduino.
How can I find a way to do this?

I have also an Arduino Mega 2560 if needed.

Thank you in advance