DYNAMIXEL AX-12W - Useabot


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AX-12W is specifically made for Wheels.
DYNAMIXEL is a robot exclusive smart actuator with fully integrated DC Motor + Reduction Gearhead + Controller + Driver + Network in one DC servo module. DYNAMIXEL AX-series are used in ROBOTIS STEM, Premium, and GP. You can easily create various types of robots such as humanoid, 4 legged, and 6 legged robots with the AX-series. AX-12W is a wheeled variant of the popular AX-12A. Essentially this servo is an AX-12A with a lower gear ratio so that a much higher RPM can be achieved.
  • Interface : USB2Dynamixel, U2D2
  • Factory Default Settings
    • ID: 1
    • Baud Rate: 57600bps
  • AX-12W , quantity = 1
  • B01-HORN (assembled) , quantity = 1
  • HORN SPACER , quantity = 1
  • FR04-F3 , quantity = 1
  • BPF-WA/BU Set , quantity = 1
  • 3P Cable 200mm , quantity = 1
  • Bolt PHS M2x6, quantity = 16
  • Bolt PHS M3x10, quantity = 1
  • Nut M2 (N1), quantity = 1


  • Only AX-series frames can be used, optional frames for MX-series and X-series cannot be used.
  • User can change various settings including ID and baud rate according to the environment.
  • Compatible Products Controller : CM-5, CM-510, CM530, CM-700, OpenCM9.04 (+ OpenCM485 Expansion Board), OpenCR
  • Apply a 4th metal gear to enhance endurance
  • By using a variety of high-strength engineering plastic option frames or by printing frames using a 3D printer, you can produce any type of robot at a low cost.
Model Name AX-12W
Input Voltage Min. [V] 9.0
Recommended [V] 11.1
Max. [V] 12.0
Performance Characteristics Voltage [V] 12.0
Stall Torque [N·m] 0.21
Stall Current [A] 1.4
No Load Speed [rpm] 470.0
No Load Current [A] 0.26
Continuous Operation Voltage [V] -
Torque [N·m] -
Speed [rpm] -
Current [A] -
Resolution Resolution [deg/pulse] 0.2930
Step [pulse] 1,024
Angle [degree] 300
Position Sensor Potentiometer
Operating Temperature Min. [°C] -5
Max. [°C] 70
Motor Cored
Baud Rate Min. [bps] 7,843
Max. [bps] 1,000,000
Control Algorithm Compliance
Gear Type Spur
Gear Material Engineering Plastic
Case Material Engineering Plastic
Dimensions (WⅹHⅹD) [mm] 32 X 50 X 40
Dimensions (WⅹHⅹD) [inch] 1.26 X 1.97 X 1.57
Weight [g] 52.90
Weight [oz] 1.87
Gear Ratio 32 : 1
Command Signal Digital Packet
Protocol Type Half duplex Asynchronous
Serial Communication (8bit, 1stop, No Parity)
Link (Physical) TTL Level Multi Drop Bus
ID 0 ~ 253
Feedback Position, Temperature, Load, Input Voltage, etc
Protocol version Protocol 1.0
Operating Mode / Angle Wheel Mode:Endless turn
Joint Mode:300 [deg]
Output [W] -
Standby Current [mA] 49