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Details of each unit

• Lifter mechanical setup

  Qty	Description	Manufacturer	Part number
  7	Limit switch	Honeywell	311SM6-T
  2	String Potentiometer	TE connectivity	PT1A-15-UP-10K-C25
  1	stepper motor	Applied Motion Products, Inc.	HT23-600
  2	Right-Angle Gear Drive	Andantex USA
  2	Screw Jack	Duff-Norton