





~$12,000 – $13,800robotis.us $13,764 (sold out); RobotLAB quote
Out of stockZMP / IK gaitZMP textbookROS 2Research / RoboCup
Weeks+Shipping: Quote / weeks+. Sold out on robotis.us (ships from California when stocked); RobotLAB sells by quote. ROBOTIS US ↗
Overview
The classic research humanoid for learning ZMP/LIPM walking with full source. But it costs about 15× an AiNex for a similar size and walking style, and it's sold out in the US. Today's RL bipeds beat it on balance.
Specifications
| Category | Bipeds · Walks, but doesn't really balance |
|---|---|
| Released | 2017 |
| Availability | Out of stock |
| Programmability | Open source (hardware + software) |
| Best for | Professionals & labs |
| Vision sensors | Camera |
| Actuators | Smart servos (Dynamixel, Feetech…) |
| Audio | Microphone |
| Compute type | x86 PC (Intel / AMD), Arduino / ESP32 / microcontroller |
| Balance type | ZMP / IK gait |
| Height | 51 cm |
| Weight | 3.5 kg |
| Compute | Intel NUC i3 + OpenCR |
| Speed | 0.24 m/s |
| DOF | 20 Dynamixel |
| Sensors | IMU, Logitech C920 camera, mics |
| Balance | ZMP preview-control walking on a linear inverted pendulum with gyro feedback; handles small disturbances but isn't push-robust (falls, then gets up). |
| SDK | ROS / ROS 2, C++, Dynamixel SDK; open CAD |
Ratings & reviews
Ratings and reviews load on the live site.
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