Robot Parts List Parts · Guides · About

AR4 (MK5) vs PAROL6

Cost, parts and difficulty side by side.

AR4 (MK5)PAROL6
Cost$1,200 to $2,300$750 to $1,150
Difficultyadvancedadvanced
Parts9462
3D printingyesyes
Kits available84
Made byAnnin Robotics (Chris Annin)Source Robotics (Petar Crnjak)
Full listAR4 (MK5) parts listPAROL6 parts list

AR4 (MK5)

Desktop six axis arm with machined aluminum links, geared closed loop steppers and a Teensy controller, built from kits or self-sourced parts.

PAROL6

3D printed six axis desktop arm with industrial style belts, planetary gearboxes and open Python control software.

The short answer

PAROL6 costs less to start: about $750 against $1,200 in parts. PAROL6 has the shorter parts list (62 lines against 94). Both are rated advanced. AR4: The AR4 manual gives conflicting motor part numbers (BOM vs DIP switch table). Check the motor list in Mistakes builders make before ordering.

Motors and servos

AR4

  • 1 x StepperOnline 17HS15-1684D-EG10-AR4 geared stepper
  • 1 x StepperOnline 23HS22-2804D-YGS50-AR4 geared stepper
  • 1 x StepperOnline 17HS15-1684D-EG50-AR4 geared stepper
  • 1 x StepperOnline 11HS20-0674D-EGS16-AR4 geared stepper
  • 1 x StepperOnline linear stepper for J5 (17E19S1684MB4-200RS-AR4 in the current package)
  • 1 x StepperOnline 14HS11-1004D-EGS20-AR4 geared stepper

PAROL6

  • 1 x StepperOnline 17HS08-1004S NEMA 17 stepper
  • 3 x StepperOnline 17HS16-2004S1 NEMA 17 stepper
  • 2 x StepperOnline 17HS24-2104S NEMA 17 stepper