I recently had the pleasure of refurbishing a 4-axis CNC router driver, so thought I would put it up here in case it is of use to anyone else. The box itself supports 4x2A steppers and has a relay for spindle-motor control. Also, for the project I used a lazy method to step-down the voltage of a toroidal transformer - may be of interest. I put it up with pictures on my website here:

CNC Motor Driver « RandomProjects

Any questions welcome,

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