HopeJR Arm (with Homunculus teleop) vs InMoov
Cost, parts and difficulty side by side.
| HopeJR Arm (with Homunculus teleop) | InMoov | |
|---|---|---|
| Cost | $650 to $1,100 | $1,500 to $2,500 |
| Difficulty | advanced | advanced |
| Parts | 37 | 15 |
| 3D printing | yes | yes |
| Kits available | 0 | 0 |
| Made by | TheRobotStudio and Hugging Face | Gael Langevin |
| Full list | HopeJR Arm (with Homunculus teleop) parts list | InMoov 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.
InMoov
Life-size 3D printed humanoid torso with tendon-driven hands, moved by hobby servos and Arduinos, controlled from a PC through MyRobotLab.
The short answer
HopeJR Arm costs less to start: about $650 against $1,500 in parts. InMoov has the shorter parts list (15 lines against 37). Both are rated advanced. InMoov: Discontinued part: the HobbyKing HK15298B finger servo is no longer made, so plan on a substitute servo. The parts total here is our estimate; the InMoov site does not publish one.
Motors and servos
HopeJR Arm
- 16 x Feetech SCS0009
- 2 x Feetech STS3250
- 4 x Feetech STS3215 12V
- 1 x Feetech SM8512BL
InMoov
- 14 x Hitec HS-805BB giant-scale servo
- 13 x HobbyKing HK15298B metal-gear servo (or a fitting substitute)
- 2 x TowerPro MG996R metal-gear servo, 180 degree
- 2 x Corona DS929HV micro servo (or similar 9 g micro servo)
- 2 x Arduino Mega 2560
- 1 x 6V high-current supply: 6V 60A switching supply, or 6V 12Ah battery with 6V 1.5A charger