HopeJR Arm (with Homunculus teleop) vs ToddlerBot 2.0
Cost, parts and difficulty side by side.
| HopeJR Arm (with Homunculus teleop) | ToddlerBot 2.0 | |
|---|---|---|
| Cost | $650 to $1,100 | $5,730 to $7,760 |
| Difficulty | advanced | advanced |
| Parts | 37 | 36 |
| 3D printing | yes | yes |
| Kits available | 0 | 1 |
| Made by | TheRobotStudio and Hugging Face | Stanford (Haochen Shi and the TML lab) |
| Full list | HopeJR Arm (with Homunculus teleop) parts list | ToddlerBot 2.0 parts list |
HopeJR Arm (with Homunculus teleop)
Human-scale arm with a tendon-driven dexterous hand, plus a hall-sensor exoskeleton and glove for one-to-one teleoperation in LeRobot.
ToddlerBot 2.0
Research humanoid about toddler size, built from Dynamixel servos and printed parts, with full RL and teleoperation software.
The short answer
HopeJR Arm costs less to start: about $650 against $5,730 in parts. ToddlerBot 2.0 has the shorter parts list (36 lines against 37). Both are rated advanced.
Motors and servos
HopeJR Arm
- 16 x Feetech SCS0009
- 2 x Feetech STS3250
- 4 x Feetech STS3215 12V
- 1 x Feetech SM8512BL
ToddlerBot 2.0
- 2 x DYNAMIXEL 2XC430-W250-T
- 6 x DYNAMIXEL 2XL430-W250-T
- 4 x DYNAMIXEL XM430-W210-T
- 1 x DYNAMIXEL XM430-W350-T
- 10 x DYNAMIXEL HN11-I101 set
- 4 x DYNAMIXEL HN12-I101 set