AlexMos 3 axis 32-bit brushless gimbal controller View larger

AlexMos 3 axis 32-bit brushless gimbal controller



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    Brushless Gimbal Controll newest 32-bit Generation.

    This board is to controll 3Axis brushless Camera Gimbals.

    The Board is designed to work with 3S-6S
    We have used special drivers, from our own development, to controll the Motor, that helps to keep te mosfet cool during high current, this Board is really suited for Big Motors.
    It is possible to use 3A for each Motoroutput.
    The used Fets we used offering a good safety margin.

    Our harware support coming softwarefeatures. Like "Reference IMUs", ... 

    To configure the board you only need the USB Port and the Basecam Software (Windows, OSX, Linux)
    which you can find here:

    Or you can use a bluetooth module on the UART Port.

    Technical details :

    • Voltage: 3S-6S
    • Currant for each motor: 3A
    • board dimensions: 50x50
    • Hole spacing: 45x45 

    product contens :

    • 32bit 3axis Board
    • MINI MPU6050(Sensor)
    • I2C cable for Sensor
    • Basecam Software Licence


    GUI (Windows, OS X, Linux): (5Mb 4.07.2014)
    User Manual (English): SimpleBGC_32bit_manual_2_41_eng.pdf (620Kb 26.06.2014)
    User Manual (Russian): SimpleBGC_32bit_manual_2_41_rus.pdf (633Kb 7.07.2014) 

    New features

    • New button command "Frame upside-down". Use it to quickly re-configure system for new frame position (YAW motor is inverted, second IMU orientation is updated).
    • "Beep by motors" option: motors emit sound instead of internal buzzer, when motors are energized.
    • Lost of synchronization detection:
      • better recovery from this mode
      • notification by LED and buzzer (enable "Errors" checkbox in the "Service" tab)
    • Smooth motor start at power-on
    • Option to disable RC limits in SPEED mode (set min=max)
    • Improved PID and IMU algorithms lets to achieve precision +-0.06 degree in dynamics, +-0.02 degree in static
    • Stable work at bigger ROLL angles (system keep stability up to +-80 degree for ROLL inclination)
    • Short beep on each press of menu button (if buzzer confirmation mode is enabled in GUI)
    • (GUI) New extended debug variables RMS_ERR_X, FREQ_X helps to detect problems caused by oscillations
    • (GUI) New "Erase EEPROM" menu command
    • (GUI) Profile name is stored in the board after renaming. Max. 48 ASCII characters allowed (or less, if national characters used)
    • (GUI) New option in the RC tab: "INIT.ANGLE" to set initial angle of the camera at system startup, if RC control is not applied.

    Changes in settings (you need to take it into account when using profiles, saved for previous version)

    • Follow speed rate is decreased 4x times, range is increased to 0..255, to make adjustments finer.
    • Range for I setting was increased 2x times (old 0.01 equals new 0.02).
    • Range for P, D setting was increased 4x times (values will be updated automatically after upgrading).
    • Upper limit for PID values increased to 255 (2.55 for I).
    • Upper limit for RC speed was increased to 255 and its effect was decreased 4x times to get finer step in adjustment.


    • Changing sensor orientation in GUI does not reset calibration data.
    • Fixed problems with RC control in Follow mode and Follow<->Lock transition.
    • Battery voltage sensor drifting with time issue was fixed (but may be required to re-calibrate it).
    • Bugfix: calibrate poles and direction did not work as expected.
    • Add UART parity setting auto-detection from firmware side. Together with GUI auto-detection, it allows to connect Bluetooth modules with Parity=No|Even (but with Parity=No, module doesn"t allow to upgrade firmware).
    • PID distribution between motors is more correct when frame is picthed and if ROLL and YAW motors differs a lot.
    • Bug with the Serial Control fixed (board hangs after first command sent via Serial API).
    • IMU: better handling of corrupted sensor data (wrong calibration, vibration, accelerated motion, etc.) and faster reach of settle point.


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    AlexMos 3 axis 32-bit brushless gimbal controller

    AlexMos 3 axis 32-bit brushless gimbal controller

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