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Hi...

I want to upgrade...

Presently, i have a chinese CNC mainly to engrave PCB's.

The machine itself does the job,I also heve the stepper motor drivers that i want to keep along.

It's...

Thak you with the corerection... I was not sure about the description of these diodes.... I seriously think about buying another board, but desired to give my actual board one last chance...

Hi...

I am new here and has been a victim on ont of those chinese TB6560 craps..

First of all, the board has optocouplers but didn't had an isolated 5V to 5V DCDC converter. It had direct DC...