Koch v1.1 vs OpenMANIPULATOR-X (RM-X52-TNM)
Cost, parts and difficulty side by side.
| Koch v1.1 | OpenMANIPULATOR-X (RM-X52-TNM) | |
|---|---|---|
| Cost | $477 to $560 | $1,710 to $2,160 |
| Difficulty | intermediate | intermediate |
| Parts | 13 | 43 |
| 3D printing | yes | no |
| Kits available | 1 | 3 |
| Made by | Jess Moss (after Alexander Koch's low-cost robot) | ROBOTIS |
| Full list | Koch v1.1 parts list | OpenMANIPULATOR-X (RM-X52-TNM) parts list |
Koch v1.1
Dynamixel-based leader and follower arm pair, the first LeRobot reference arm; pricier than SO-101 but uses ROBOTIS servos.
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.
The short answer
Koch v1.1 costs less to start: about $477 against $1,710 in parts. Koch v1.1 has the shorter parts list (13 lines against 43). Both are rated intermediate.
Motors and servos
Koch v1.1
- 6 x Dynamixel XL330-M077-T
- 2 x Dynamixel XL430-W250-T
- 4 x Dynamixel XL330-M288-T
- 2 x ROBOTIS FPX330-H101 hinge frame and idler set (4 pcs)
OpenMANIPULATOR-X
- 5 x DYNAMIXEL XM430-W350-T