RapMan experimental extruder with linear stepper, how to adjust the PCB?

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Apr 6, 2014, 12:54:28 AM4/6/14

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Hi all,

I have a question in regards to hooking up a linear actuator stepper to the Rapman. I’m building a paste extruder with linear actuator stepper so I can reliably test different clay bodies without having all the variability of air. With all my previous paste extruder experiments I just used the nema 17 extruder steppers that came with Rapman so never needed to adjust anything on the PCB. But now I have this 12V, 0.4A stepper: link

Model	Step distance mm/step	Motor Length L(mm)	Rate Voltage (V)	Rate Current (A)	Phase Resistance ( ¦¸ )	Phase Inductance (mH)	Holding Torque (g.cm)	Lead Wire (NO.)	Rotor Inertia (g. c©O)	Motor Weight (kg)
39BYGL215A	0.01	34	12	0.4	30	42	2100	4	20	0.18

I guess I need to adjust that potmeter on the PCB but have no idea how/what, or if there is any risk in using this one? I believe the steppers on Rapman are 12V too right?