[Fourth try; 2 lost to the Esc key, 1 to trying to edit in preview. In Unix, the Esc key is vi's way to edit things. In the forum, it's start over, way over.]

Briefly (this time ), how'd you get your power supply? I'm hoping to see short posts like:
"vV@aA for $d from ."
"built vV@aA for $d from schematic from "
"cannibalized vV@aA from for $d from "
"grandmother gave me hers, vV@aA."

fwiw, I:
"need 14-30V@20A" for three PowerMaxII M21... wired bipolar parallel (lowest current, highest torque), 2.8A/phase x 2 phase/motor x 3 motor = 16.8A.

I hear the higher voltage the better in terms of response, but the bipolar drivers I've seen aren't happy above 30V.

I also hear "don't use switching supplies with steppers," but that may be only for drivers using current chopping.

Appreciate any posts, thanks. (And I ain't previewing neither. Been there, lost that...)