Moss v1 vs Thor
Cost, parts and difficulty side by side.
| Moss v1 | Thor | |
|---|---|---|
| Cost | $288 to $360 | $300 to $450 |
| Difficulty | beginner | advanced |
| Parts | 9 | 61 |
| 3D printing | yes | yes |
| Kits available | 0 | 0 |
| Made by | Jess Moss | Ángel LM (AngelLM) |
| Full list | Moss v1 parts list | Thor parts list |
Moss v1
Metal-bracket STS3215 leader and follower arms for LeRobot; still supported but deprecated in favor of SO-100/SO-101.
Thor
Open source 3D printed six axis arm driven by NEMA 17 steppers and GT2 belts, controlled with G-code like a 3D printer.
The short answer
Moss v1 costs less to start: about $288 against $300 in parts. Moss v1 has the shorter parts list (9 lines against 61).
Motors and servos
Moss v1
- 12 x Feetech STS3215 7.4V (C001, 1/345)
- 2 x 5V power supply
Thor
- 1 x StepperOnline 17HS15-0404S NEMA 17 stepper
- 3 x StepperOnline 17HS13-0404S-PG5 NEMA 17 stepper with 5:1 planetary gearbox
- 3 x StepperOnline 17HS13-0404S1 NEMA 17 stepper
- 1 x MG995 hobby servo