3 Axis Parallel Interface 1.0
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The 3 Axis Parallel Interface board is designed to form the bridge between the PC based control software (EMC) and the X, Y, Z stepper motor drivers. In reality, the board itself is mostly wires. The three stepper motor cables plug in along the right edge, and a standard PC ATX power supply hard drive power plug goes at the bottom.

Schematic: PDF
Bill of materials: CSV
Layout solder side: PNG
Layout holes: PNG

Assembly Notes:
The six sets of pads in the center of the board are zero ohm resistors. The single resistor in the lower right corner is 100 ohms.

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