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Marc LE BRET's Blog (7)

OctoQuadX VRBrain 5.2


There is my latest home made craft:

OctoQuad X 750 mm frame, Center plates from 1mm carbon plate, arms are square carbon tube 22 mm ext, motor support are from 2.3 mm G4,

Take Off Weight is 4200 g,

T-Motor 4008-16 with 13" propellers, 6S,

Gimbal is replaced by one 1 kg lead box.

First flight went fine today,



Added by Marc LE BRET on March 2, 2015 at 5:14pm — No Comments

VRBrain 5.2, Automatic Flight


I am flying my quadcopter with latest VRBrain 5.2.

I have 3DR telemetry and a Nexus7 tablet, I experiment with Auto Mode.

There is my latest flight rendered in GoogleEarth. It is a full auto flight from Arm to Disarm, controlled and monitored with DroidPlanner v3 tablet application.

There are 14 waypoints with spline curbs at various…


Added by Marc LE BRET on January 26, 2015 at 1:00pm — 2 Comments

VRBrain 4.5 and 3.2 rc12, Spline Nav with POI (DoSetRoi) video


Today I had a second try at AutoNavigation with DO_SET_ROI and Tilt following.

No sound (Raw sound is really bad), no music (I'm not friend of iMovie). Spline navigation around our flying field on sunday morning (November 09).

Essai prise de vue Point d'Intérêt avec multicoptère from…


Added by Marc LE BRET on November 9, 2014 at 9:32pm — No Comments

VrBrain 4.5 and 3.11 Firmware, Flight Log


At least with the latest firmware, I was able to log IMU data and download it. This flight was a test with auto take-off,  some waypoints with altitude changes and auto landing. I did it twice with the same result. I'm happy with my quad.

Here are some screens of X  and Y  acceleration data, GPS Data (Sat number and hDop), Altitude…


Added by Marc LE BRET on November 28, 2013 at 10:30am — 2 Comments

VrBrain 4.5and External Led


I received an APM Led Buzzer card (from Charles Lakins).APM 2x LED / Buzzer Module

Led and Buzzer have + on signal pin of the APM and - on the common - bar.

After searching VrBrain 4.5 documentation and Barone Rosso Forum, I…


Added by Marc LE BRET on October 23, 2013 at 11:30am — 4 Comments

VrBrain 4.5 and 3.15 software (VRBRAIN_3.1.5_QUAD_INTGPS_ENHANCED)


I had more flights with my Quad. I'm still impressed with RTL performance but as I explore the settings I have some questions.

I had a try with Fence. I have to do a retry but I'm quite sure there is a problem: I cannot arm motors (after battery exchange) with fence enabled. There is no Red led blinking and save of the new home. I had to uncheck Fence in the config in order to save the new Home and fly.

I had also a try with Saving…


Added by Marc LE BRET on October 17, 2013 at 7:33pm — 1 Comment

From APM2 to VrBrain4.5


I received my VrBrain4.5 order today. I used an APM2 on a SpiderLike Quad and I just swapped the two units on the frame. As I had a spare 3DR uBlox GPS, I managed to install it with the VrBrain (internal plug).

Firmware is the latest dev VRBRAIN_3.1.5_QUAD_INTGPS_ENHANCED.dfu. 

I had a short flight to check my setup…


Added by Marc LE BRET on October 5, 2013 at 10:00pm — No Comments


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