This is an expansion board for the OpenCM9.04 (not provided). It gives you additional Dynamixel motor outputs (5x 4-pin and 5x 3-pin). The board can be connected with different kind of power supply (SMPS DC Power supply, DXL Pro Power,Li-Po battery).

Please notice that this expansion board does not come with the OpenCM9.04 controller.


  • input voltage: 5 V to 30 V
  • additional Dynamixel TTL port: 5x 3-pin
  • additional Dynamixel 485 port: 5x 4-pin
  • power input: SMPS, LIPO, DXL PRO 24 V

Part List

  • 1x expansion board


Dimensions L x W x H 68 mm X 66.5 mm x 16 mm
Weight 32 g
Input Voltage (Limits) 5 V to 30 V

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Robotis OpenCM 485 Expansion board

  • Robotis
  • The Robotis OpenCM 485 is an expansion board that must be used with OpenCM9.04A or OpenCM9.04B
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  • $ US34.32
  • USD 200.00 Left For Free Shipping

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Tags: robotis, microcontroller