The documentation for the board says it only supports 12V (for now). It says there’s a future version that will support a wider range.
Ah. So it is the board with the limit. Can you try driving it at 12V? It might still work, but you may lose some top speed.
Have you tried your nema11’s on 12V?..It is not exactly a huge load it has to lift.
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This is my plan. Speed doesn’t matter much as the Z axis only moves when setting height and maybe once or twice while trying to cut through thicker material.
I will hopefully be able to test next week.
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