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Paul, Latest mods to the power board are attached. I have added the 2 Gnd connection vias, couldn't get them to line up perfectly with the control board but they're close. I also moved the u shaped etches up for the B+.
I have included the solder mask layers for the top and bottom of the board. The solid areas will be tinned with solder. I am not sure whether the M- bus bar was mounted on the top or bottom of the board so I have both sides tinned for M-.
Can you tell me where I can get a copy of the control board PCB file (not gerber) .pcb or equivalent?
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