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Thread: The New Robotis CM-900 board is now out!!!

  1. #1
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    The New Robotis CM-900 board is now out!!!

    The cool thing is that it is free and it is a open hardware and software project!!!

    http://mike-ibioloid.blogspot.com/20...s-now-out.html

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    Re: The New Robotis CM-900 board is now out!!!

    I also saw this earlier, Lots of possibilites.

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    Re: The New Robotis CM-900 board is now out!!!


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    Re: The New Robotis CM-900 board is now out!!!

    I just bought one of the new CM-900 version 1.01 boards at the Bay Area Maker Farie.

    http://mike-ibioloid.blogspot.com/20...o-control.html

    They had a buy one get one free deal at the faire!!

  5. #5
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    Re: The New Robotis CM-900 board is now out!!!

    The Specs for the CM-9.04 New Open Source Servo Control Board from Robotis have just been released.

    http://mike-ibioloid.blogspot.com/20...en-source.html

    Only 10 dollars USD now!!!!!


    CM-9.04 CM-900
    CPU STM32F103CB (ARM Cortex-M3) STM32F103C8 (ARM Cortex-M3)
    Op Voltage 5V~16V( USB 5V, DXL 12V, 7.4V) 5V~35V( USB 5V, DXL 12V, 7.4V)
    I/O GPIO 28 GPIO 32
    Timer 8 8
    Analog In(ADC) 10(12bit) 10(12bit)
    Analog Out(DAC) X X
    Flash 128 Kbytes 64 Kbytes
    SRAM 20 Kbytes 20 Kbytes
    Clock 72Mhz(9 X 8Mhz) 72Mhz(9 X 8Mhz)
    USB 1(2.0 FS) 1(2.0 FS)
    CAN 1 1
    USART 3 3
    SPI 2 2
    I2C(TWI) 2 2
    Debug JTAG & SWD JTAG & SWD
    DMA 7ch 7ch
    3 Pin TTL 4(AX12 Compatible 3Pin) 2
    4 Pin RS485 X 2
    Mini 3Pin TTL 4(AX12 Compatible 3Pin) 1
    External ADC Ref YES NO
    DC Jack NO YES
    S/W ROBOTIS CM9 ROBOTIS CM9
    SIZE 27mm X 66.5 mm 60mm X 54 mm
    Price Around 10$ Around 20$

  6. #6

    Re: The New Robotis CM-900 board is now out!!!

    The limited voltage range of the 9.04 means you can't run it on 16.8V maximum output 4S LiPos?
    I guess you could use a separate 5V converter to power the board, if it allows servo power to be separate?

  7. #7
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    Re: The New Robotis CM-900 board is now out!!!

    What servos are you running with that setup?

  8. #8

    Re: The New Robotis CM-900 board is now out!!!

    MX-64. They are rated for 4S LiPo according to Robotis support.

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