Thread: Upgrade? Chinese CNC Machine
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01-04-2013 #4
Don't bother with those boards, they are the same as what you already have
Two choices.
Either try to get it running better and from experience these boards do not like micro stepping, they loose steps. perhaps start here ?
Second choice is the box has a decent power supply so scrap the board and fit 3 decent drivers and a breakout board.
see
CNC Micro-Stepping Stepper Motor Driver 2M542 Bi-polar 2phase 4.2A Switch | eBay and
Upgraded 5 Axis CNC Breakout Board Stepper Motor Driver + 5V USB Cable + Mach3 | eBay
BTW does anyone recognise the power supply board in that box ? A quick look on ebay doesn't get me anything.John S -
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