Standard PC-based Robot with Convenient Interfaces
High Performance and Advanced Features
      • Default walking speed: 24.0 cm/sec (9.44 in/sec) 0.25 sec/step – user modifiable gait
      • Default standing up time from ground: 2.8 sec (from facing down) and 3.9 sec (from facing up) – user modifiable speed
      • Built-in PC: Intel Atom N2600 @1.6 GHz dual core, RAM 4GB DDR3, 32GB mSATA
      • Management controller (CM-740): ARM CortexM3 STM32F103RE 72MHz
      • 20 actuator modules (6 DOF leg x2+ 3 DOF arm x2 + 2 DOF neck)
      • Actuators with durable metallic gears (DYNAMIXEL MX-28T)
      • Self-maintenance kit (easy to follow steps and instructions)
      • Standby mode for low power consumption
      • 1Mbps high-speed Dynamixel bus for joint control
      • 1800mAh LIPO Battery (30 minutes of operations), charger, and external power adapter
        (Battery can be removed from robot without shutting down by plugging in external power before removal)
      • Versatile functionality (can accept legacy, current, and future peripherals)
      • 3-axis gyro, 3-axis accelerometer, button x3, detection microphone x2

>> For up-to-date information, check e-Manual (

Efficient and Versatile Modular Configuration
Simple and Clean Architecture
Open Platform (Hardware and Software)
  • Mechanics Information 
    (Dimensions, Kinematics, Dynamics, CAD data)
  • Electronics Information 
    (Controllers, Sub B/Ds, Schematics, Part Information)
  • Software Information 
    (Development Environment, Framework, Source Code)
  • Management Information 
    (Detailed Assembly Diagrams, User Manintenance Guide)
  • Community Resources 
    (User-developed Code, Various Application Examples)


Dimensions and Weight
Comparative specs
(discontinued line)
CPU Intel Atom Z530
@1.6GHz single core
Intel Atom N2600
@1.6GHz dual core
(fixed capacity)
204-pin SO-DIMM module
storage 4GB NAND flash IDE100
(fixed capacity)
32GB half-size mSATA module
LAN speed 100 Mbps 1 Gbps
Installable OS Linux only (32-bit) any Linux release (32-bit)
any Windows release (32-bit)
wi-fi 802.11g 802.11n (2.4GHz-only)


Visual differences with ROBOTIS OP
The overall appearance on ROBOTIS OP2 remains largely unchanged with respect to ROBOTIS OP.
The only difference is the mini HDMI port connector from ROBOTIS OP2. Also, the location of the ports differ from ROBOTIS OP2 with respect to ROBOTIS OP. The Mode, Start, and Reset buttons remain unchanged. ROBOTIS OP2 lacks the 3.5cm microphone and audio jacks. In practice these were not implemented with ROBOTIS OP so the loss of these ports from ROBOTIS OP2 will not affect robot operations.
Advantages of ROBOTIS OP2 compared to ROBOTIS OPAs stated above the changes come in the form of an updated PC. The advantages of the new PC are listed as follows:

  • user-replaceable SSD
  • user-replaceable RAM
  • increased compute power (obviously)


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