Berkeley Humanoid Lite vs Open Duck Mini v2
Cost, parts and difficulty side by side.
| Berkeley Humanoid Lite | Open Duck Mini v2 | |
|---|---|---|
| Cost | $4,300 to $4,800 | $360 to $470 |
| Difficulty | advanced | intermediate |
| Parts | 23 | 21 |
| 3D printing | yes | yes |
| Kits available | 0 | 0 |
| Made by | UC Berkeley Hybrid Robotics | Antoine Pirrone and contributors (sponsored by Hugging Face and Pollen Robotics) |
| Full list | Berkeley Humanoid Lite parts list | Open Duck Mini v2 parts list |
Berkeley Humanoid Lite
Child-sized research humanoid with 22 printed cycloidal-gear actuators driven by drone motors, aimed at learned walking for under $5,000.
Open Duck Mini v2
A 42 cm 3D printed biped inspired by Disney's BDX droid, walking with reinforcement learning policies on a Pi Zero 2W.
The short answer
Open Duck Mini v2 costs less to start: about $360 against $4,300 in parts. Open Duck Mini v2 has the shorter parts list (21 lines against 23). Berkeley Humanoid Lite: Discontinued part: the MAD 5010 110KV motor is no longer made. The team says 140KV or higher works but runs hotter; price a substitute before ordering.
Motors and servos
Berkeley Humanoid Lite
- 10 x MAD Components M6C12 EEE 150KV brushless motor
- 12 x MAD Components 5010 EEE 110KV brushless motor
- 22 x STMicroelectronics B-G431B-ESC1 discovery kit
- 286 x MR106-2RS bearing (6x10x3 mm)
- 44 x 6701-2RS bearing (12x18x4 mm)
- 20 x 6811ZZ bearing (55x72x9 mm)
- 24 x 6809ZZ bearing (45x58x7 mm)
- 260 x M3 socket screws: 55 mm, 30 mm and 25 mm
- 2 x LewanSoul / Hiwonder BigClaw servo gripper
Open Duck Mini v2
- 14 x Feetech STS3215 7.4V, 19 kg.cm (C001, 1/345 gear)
- 2 x 9g micro servo