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BCN3D Moveo vs SO-100 (SO-ARM100)

Cost, parts and difficulty side by side.

BCN3D MoveoSO-100 (SO-ARM100)
Cost$500 to $800$232 to $330
Difficultyadvancedbeginner
Parts286
3D printingyesyes
Kits available01
Made byBCN3D Technologies (with the Catalan education department)TheRobotStudio and Hugging Face
Full listBCN3D Moveo parts listSO-100 (SO-ARM100) parts list

BCN3D Moveo

Fully 3D printed 5-axis teaching arm with belt-driven joints, NEMA steppers and an Arduino Mega running modified Marlin.

SO-100 (SO-ARM100)

The original LeRobot leader and follower arm pair; now deprecated in favor of SO-101 but uses the same servos.

The short answer

SO-100 costs less to start: about $232 against $500 in parts. SO-100 has the shorter parts list (6 lines against 28).

Motors and servos

BCN3D Moveo

  • 1 x NEMA 17 stepper, SM42HT47-1684 class
  • 2 x NEMA 23 stepper, 112 mm body, 8 mm flat shaft (SM57HT112-3004A class)
  • 1 x NEMA 17 stepper, 34 mm (SM42HT33-1334 class)
  • 1 x NEMA 14 stepper, 35x36 mm, 1 A (SM35HT36-1004A class)
  • 1 x StepperOnline 17HS19-1684S-PG5 NEMA 17 with 5:1 planetary gearbox
  • 1 x Standard size metal gear servo, 55 g, about 13 kg.cm (MG996R class)

SO-100

  • 12 x Feetech STS3215 7.4V (C001, 1/345)
  • 2 x 5V power supply, 5.5x2.1 mm barrel