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ManufacturerROBOTIS Co., LtdRobot model · No. 8

OP3

Humanoid Robots · Research & Development

CommercialSouth Korea

Key factYes · Yes

Model details

Model specifications

3-axis AccelerometerYes

3-axis GyroscopeYes

3-axis MagnetometerYes

ActuatorsDYNAMIXEL XM430-W350

Arms3 DoF ×2

Autonomous Stand-UpYes

Autonomous WalkingYes

AvailabilityCommercially Available

Balance ControlYes

Battery11.1V LiPo 3300 mAh

BluetoothYes

Default Walking Speed24 cm/s

Degrees of Freedom20 DoF

DisplayPortYes

Dual MicrophonesYes

Dynamic WalkingYes

EthernetGigabit

Gazebo SimulationYes

HDMIYes

Head2 DoF

Height≈510 mm

Humanoid ClassificationYes

Indoor OperationYes

Inverse KinematicsYes

Legs6 DoF ×2

Logitech C920 HD CameraYes

Main ComputerIntel Core i3 NUC

Mobility TypeBiped Humanoid

Motion PlanningYes

NationalitySouth Korean

Open HardwareYes

Open SDKYes

Open SoftwareYes

Outdoor OperationLimited

RAM8 GB DDR4 (expandable to 32 GB)

RGB LEDYes

ROS SupportYes

ROS2 SupportYes (2025 Edition)

SpeakerYes

Storage250 GB M.2 SSD

Sub ControllerOpenCR

USBYes

Vision ProcessingYes

Walking EngineYes

Webots SimulationYes

Weight≈3.5 kg (without skin)

Wi-FiYes (802.11ax on 2025 refresh)

About the OP3

Typical applications: Research & Development, Education & Training.

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