Dear Friends,

02 / 06 / 2014 

After one month of work the stable firmware for VRBrain micro is ready . We fly a lot in manual and automatic , we are preparing a video and specific blog post about VRX250 the drone platform using for doing test on VRBrain micro  5 all work fine and we are happy to have a good revision of code for user that join us in pre order campaign . We start to deliver first batch of boards in 2 weeks . The good news is that now is possible to upload the firmware to VR Brain micro 5 using standard Mission Planner application. Thanks to Michael and all VR Lab team for doing a good Job around this task.

09 / 05 / 2014

today we finish to test first prototype of micro brain , this is the video of first power on , all work fine , we check all onboard sensor : IMU , BAROMETER  . Check eeprom for parameter storage and SD card. Serial port , and usb interface . All work fine :) Check also new bootloader and our mission planner fork with VRBrain support all work perfect . Diego our Electronic Designer doing a great work no error until now :)

Finish the test of all subsystem : Magnetomer , GPS , RC IN PPMSUM and RC OUT and all work fine . See the video .

These are the specification : 

CPU STM32F4 VR OS based on NuttX kernel 7.1 

1 EEPROM or FRAM device for parameter storage. 


MSIC Barometer 10 cm resolution.  

8 PPM Radio RC Input .

8 PWM ESC - SERVO Output.

1 SBUS Radio Input compatible with Futaba SBUS and Spektrum ,too

1 SBUS Servo Output.

SD Card Reader until 64 Gbyte.


2 LED Output 

1 Buzzer Output 

On board telemetry module availabe at 433 / 868 mhz. (option) 

connector for external 3DR/VR GPS + MAGNETOMETER

dimension : 3.2 x 3.2 .

weight : 10 gr


Price is 99 euro the board pre order is open the mass production start in 1 week when finish the test of first production batch .

more info about status of the product  on the store:

APM Copter , Plane , Rover Firmware available and fully tested by our devteam.

official blog post :

for more info send a mail to



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  • Hi Roberto,

    This looks really promising.  Excited to test some of the pre-order boards in our new airframes soon.

    Congratulations and thanks for your time on Skype yesterday.

    Will look out for the new videos. All the best.


  • Moderator
    Hi Micha,
    Thanks for bought VR Brain micro, i think that next week we start to shipping. I m preparing a video preview will be available today later.
  • Good to see the progress of your team Roberto. Ordered one a few weeks ago and looking forward to it. ;)

  • Moderator

    Hi Simon,

    yes input / output cable is included.

    Yes support sbus and ppmsum,too

    on the backside there is sd card for data logging supported by Nuttx OS .



  • Hey Roberto, excellent news. micro brain seems to be a really nice FC. I have a couple of questions:

    • input/output cables included?
    • PPM sum supported or "just" s-bus?
    • on the backside there are unsoldered pads, one looks like it might carry a sim card slot, any details on this?



  • Moderator

    Sure the integration in Mission planner is a good result for integration of Virtualrobotix in APM community :)

    Thanks Jiro and Giovanni :)

  • Moderator

    @Teddy ,

    thank to join us in pre order ...   A lot of guys place a pre order in these days i'm very happy that VRBrain micro like a lot :)

  • Moderator


    at the moment we don't intend to put an osd on micro brain , we implemented a osd inside our telemetry link with some interesting new features.

  • Nicely, nicely...
    Looking forward to a very light and small package in my mail box with poste italiane on it.
  • This is great accomplishment by FOXTEAM and APM community.


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