Hugues's Blog (74)

Make your own Li-Ion battery pack

Hi guys,

Did you know you could build your own Li-Ion battery pack ?

Li-Ion batteries have the highest energy density per unit of mass available to us.

In comparison with LiPo batteries, you get 30% less weight for the same mAh capacity, which translates into direct endurance or increased flight autonomy.

Ready made…


Added by Hugues on October 29, 2017 at 11:40am — 11 Comments

Quadcopter folding frame design - Part2

Hi Guys,

This is part 2 of building a DIY  folding quadcopter. The episode is about designing a detachable camera gimbal (a Z Tiny2, 3-axis) and a landing gear.

 Part 1 is here:…


Added by Hugues on September 3, 2017 at 7:30am — 4 Comments

DIY design & build of a foldable 300 class quadcopter (9" props)


Here is a DIY design & build of a small  (300 class, 9" props) compact foldable  quadcopter you can take in a backpack, weighing less than a kilogram (including a Drotek RTK GPS, CUAV V3 pro pixhawk autopilot , telemetry radio)

It can fly a good 30 minutes with a 3-axis Gopro type gimbal (subject of part2). The frame is…


Added by Hugues on July 31, 2017 at 9:00am — 2 Comments

A little laugh - DIY Chickens

A little laugh with a joke  starring my chickens, Penny and Pepsi :)

 Oh yes, even chickens may benefit from Arduino tech.

Next step : make ardurover find the path to the chickens house, then recognize if eggs are layed and pick up them up Can DEVs take care of that in a next release ? :)

Added by Hugues on July 15, 2017 at 12:16pm — 9 Comments

How to make a carbon fiber core balsa panel - tutorial - DIY

For RC/UAV uses, a balsa core laminated with carbon fiber makes an ultra light construction panel with very high stiffness. While you can buy ready made panels (usually expensive), this video shows how easily you can make it yourself with no special tools.

This video does not pretend to show the best way of doing these panels. It is…


Added by Hugues on June 24, 2017 at 6:26am — 4 Comments

Unboxing / Disassembly / Review of the CUAV V3 autopilot

Unboxing / Disassembly / Review of the CUAV V3 autopilot.

We take a look at one of the latest generation autopilot running the Ardupilot software. How is its build quality and functionality ?How does it compare to a Pixhawk autopilot ?

Added by Hugues on June 11, 2017 at 9:21am — No Comments

Review, test and setup tutorial of RTK XL GPS from Drotek

This is a quick and short review, setup and tutorial of the RTK XL GPS from uBlox/Drotek.

Test & Setup is done on Ardupilot + Pixhawk, using mission planner as the ground control station.

Note that this product was not provided for review by Drotek and the review is unbiased.

The RTK XL product can be found…


Added by Hugues on May 14, 2017 at 9:46am — 2 Comments

How does precision GPS work ( DGNSS , RTK , SBAS , PPP ) ?


This is a synthesized basic explanation of how precision GPS methods work:
-Differential GNSS (DGNSS)
-Real Time Kinematics (RTK)
-Satellite Based Augmentation System (SBAS)
-Precision Point Positionning (PPP)



Added by Hugues on May 6, 2017 at 8:21am — 3 Comments

X-UAV “Clouds” maiden flight - full auto take-off - Arduplane 3.7

This is the maiden flight of the latest X-UAV model : "Clouds". It is a V-Tail fixed wing platform, similar to their previous model "Talon".

It runs Arduplane 3.7 on a Pixhawk1 (I try to get a Pixhawk2 for months without any success...Frustrating).

I was supposed to have a flight buddy who would throw the plane while I would hold…


Added by Hugues on March 8, 2017 at 12:21pm — 8 Comments

X-UAV Clouds build part 3 This is part3 and the final assembly stage of the X-UAV Clouds build It is equipped with  a barebone Pixhawk autopilot (from Jordi Munoz co founder 3DR, runni…

X-UAV Clouds build part 3

This is part3 and the final assembly stage of the X-UAV Clouds build

It is equipped with  a barebone Pixhawk autopilot (from Jordi Munoz co founder 3DR, running the latest Arduplane code,

and no need to say this is the best of all ! (thx Tridge and Randy and all others I…


Added by Hugues on March 8, 2017 at 6:11am — 3 Comments

XUAV Clouds Build - Part2: Motor-prop-battery combo thrust test

XUAV Clouds build part 2 :

Clouds is a twin motor UAV. Total weight with full payload could get as high as 4Kg.

For an easy hand or catapult launch, a 1:1 weight/power ratio would be more than enough.

This means using two motors producing each a maximum thrust in the 1.8-2Kg range.

So what motor, propellers, battery voltage…


Added by Hugues on February 12, 2017 at 8:13am — 2 Comments

XUAV Clouds build part1 : Wings

"XUAV Clouds" is the latest FPV/Survey platform from XUAV. I suppose XUAV wants to capitalize on the legendary success of their V-tail Talon model and at the same time compete in the twin motor category against the popular "MFD MyTwinDream" fpv plane.

Its wing span is 1880 mm (vs 1700 on the Talon without wing extensions, or 2000mm…


Added by Hugues on February 5, 2017 at 8:56am — 7 Comments

XUAV Clouds Overview and unboxing

Hello (again),

XUAV (HOOAH aviation technology LTD) latest EPO FPV/Survey model is the "Clouds". Here a quick overview and unboxing video, with some comparison with their Talon flagship model.

Added by Hugues on December 29, 2016 at 12:48pm — No Comments

A tiny FPV quad review : QX90 with modded electronics for FrSky compatibility


Here a shared review of a quite cute and tiny FPV quad, the QX90.

It was unfortunately delivered to me with a built in DSM type receiver so I could not use it with my Taranis radio.

I therefore modded the electronics with another tiny board that is incredible : it integrates a F3 flight controller with all bells…


Added by Hugues on December 29, 2016 at 3:54am — 6 Comments

190 size FPV racer build & review from GEP


A 190 size FPV racer kit review from the GEP brand (so called ZX5 model). What's different about the previous FPV racers build I did before is a X frame while my former builds were always made with a classical H frame.

X frames have an advantage over H frames in that they are more symetrical (useful in FPV racing) and they twist…


Added by Hugues on September 24, 2016 at 10:52am — 2 Comments

Arudpilot Antenna tracker explanation and field test


Made a short explanation video about Ardupilot's antenna tracker as many people are asking about what it is and how it works.

Current release 1.0 is still improving (thanks Randy !)



Added by Hugues on September 9, 2016 at 3:11am — 6 Comments

DALRC XR215 V2 FPV Racer Build


As a follow up of my latest blogs about FPV hardware, here is a build video. The build is made with the following components:

-DALRC XR215 V2 Full Carbon Fiber Quad Frame for FPV Racing FPV Build in OSD BEC BB Ring:

-Foxeer XAT600M DC5V-22V 600tvl Sony Super HAD…


Added by Hugues on July 31, 2016 at 4:43am — 8 Comments

FPV racer hardware review : Flycolor 4 in 1 F3 board


This is a hardware review of an interesting product for FPV racers. I do not know for how long it exists but I could not find any other reviews on youtube.

This product consists in an integration of mutliple components you would otherwise need to solder and assemble together with lots of wiring, thus saving weight and making a…


Added by Hugues on July 20, 2016 at 6:58am — 1 Comment

Review & history of flight controllers for FPV racing (MultiiWii branch)

I was going to refresh my old FPV 250 racer built two years ago with an "old" Naze board and an "old" baseflight firmware. Not surprisingly, the whole firmware landscape has changed dramatically and I had to investigate quite a bit to bring me up to date with current states of affairs (lots of new firmware versions, new flight controller…


Added by Hugues on July 3, 2016 at 1:52am — 18 Comments

Anti Jello mount for Mobius brushless gimbal

To suppress vibrations & jello in videos taken by very lighweight camera brushless gimbals is a challenge as none of the classical methods are working well. The more weight, the easier it is to manage vibrations. When you combine extreme lightweight gimbal with a CMOS sensor technology, you'll get very prone to the so called "jello"…


Added by Hugues on June 25, 2016 at 11:32am — 17 Comments

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