The source mover was first tested in Run 71. There is a variety of info from that run summary.

Arduino and stepper motor notes: 48 step/rev * 32 rev/inch ⇒ 1/1536 inch/step = 0.01654 mm/step

NbTi electroplating

https://dehs.umn.edu/hazardous-waste-disposal-procedures

Run 78 1D source mover notes Link

Calculator for moving 2D source mover