OpenMANIPULATOR-X (RM-X52-TNM) vs SO-100 (SO-ARM100)
Cost, parts and difficulty side by side.
| OpenMANIPULATOR-X (RM-X52-TNM) | SO-100 (SO-ARM100) | |
|---|---|---|
| Cost | $1,710 to $2,160 | $232 to $330 |
| Difficulty | intermediate | beginner |
| Parts | 43 | 6 |
| 3D printing | no | yes |
| Kits available | 3 | 1 |
| Made by | ROBOTIS | TheRobotStudio and Hugging Face |
| Full list | OpenMANIPULATOR-X (RM-X52-TNM) parts list | SO-100 (SO-ARM100) parts list |
OpenMANIPULATOR-X (RM-X52-TNM)
Five-servo DYNAMIXEL desktop arm with a parallel gripper and full ROS 2 support, often paired with TurtleBot3 for teaching.
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 $1,710 in parts. SO-100 has the shorter parts list (6 lines against 43).
Motors and servos
OpenMANIPULATOR-X
- 5 x DYNAMIXEL XM430-W350-T
SO-100
- 12 x Feetech STS3215 7.4V (C001, 1/345)
- 2 x 5V power supply, 5.5x2.1 mm barrel