CNC shield help: >Doing a CNC machine >newfag >having

Data sheet or anything?

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>>1165846

>>1165839
Would it be a safe assumption that you've read through whatever instructions the creator of the shield wrote, or am I being to optimistic here.

The USB connection will only provide power to the logic and maybe limit switches.

Your external power supply will run the motors.

>>1165889
No info about the creator

>Do i need to connect the CNC shield to the power supply while the Arduino is connected to the PC?
Yes, if your PSU is 24V, make sure the 24V isn't going to the arduino VIN pin
>How to connect a fan to the CNC shield?
Just connect it to the PSU assuming it's the same voltage as the fan, if not, get a step-down voltage converter

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>>1165839
I haven't used arduino g-code interpreters, but from what I remember, you can put g-code on an sdcard and use that to load code on your shield. If you want to use Mach3 or something, you'll need different board.