I took a bit of a break during the latter part of last year, but I am writing up another installment which goes into the interface between the Raspberry Pi, the

I took a bit of a break during the latter part of last year, but I am writing up another installment which goes into the interface between the Raspberry Pi, the stepper motor, and the physical milling machine. I was in two minds of whether to build a machine or buy one. I'm planning on using the system with both options when I get chance.