The Robotis OpenCMS9.04-C is an open source controller that uses the 32bit ARM Cortex-M3 processor. It is compatible with the Robotis Dynamixel 3 pin connector and the Dynamixel XL series of motors. You can program it in C++ using the Robotis OpenCM IDE and the USB micro-B cable provided with this product. Please note that an external power supply will be required to control motors.


  • CPU: ARM Cortex-M3
  • operating voltage: 5 V (USB) 16 V (Dynamixel)
  • external I/O: 26
  • analog IN: 10 (12bit)
  • flash: 128 Kbytes
  • clock: 72 Mhz
  • TTL port 3 pin: 4 (XL-Series)
  • external sensor 5 pin: 4 (compatible with Robotis Sensors)

Part List

  • 1x openCMS9.04-C controller
  • 2x 1x20 pin header socket
  • 2x 1x20 box header socket
  • 1x USB micro-b cable
  • 1x instruction manual



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Robotis OpenCM9.04-C Controller

  • Robotis
  • The Robotis OpenCM9.04-C is an open-source controller based on 32bit ARM Cortex-M3 processor.
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  • Availability: 3 (Canada)
  • $ US22.88
  • USD 250.00 Left For Free Shipping

Tags: robotis, microcontroller