April 2014 Blog Posts (172)


3D Robotics
Stats on most popular Sparkfun AVC vehicles (APM #1 for both flying and ground vehicles)

In the lead-up to this year's Autonomous Vehicle Competition, Sparkfun just posted the stats for last year's AVC:

Last year we asked participants to give us a list of the major parts they used in their vehicle…

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Added by Chris Anderson on April 30, 2014 at 8:30pm — 3 Comments

New Subject Follower System for APM systems

It looks like these guys are on the verge of a great new product, which is compatible with ArduCopter-based vehicles such as the PocketDrone and the 3DR platforms such as Iris. My guess is they are using image processing to track the subject and then command the multi-copter to follow. I wonder how long till they hit the market? Any ideas on how they get this to work on multiple platforms? Very impressive!…

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Added by Jeff G on April 30, 2014 at 7:30pm — 14 Comments


3D Robotics
The First RC-Accessible VTOL Drone Runs APM



On the heels of the Arcturus JUMP flight, thought it might be nice to announce that Adam Sloan and John Hampton, the two-man crew that is BirdsEyeView Aerobotics, have just developed the first RC-accessible VTOL drone, the FireFly6—and it runs on…

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Added by Roger Sollenberger on April 30, 2014 at 6:30pm — 7 Comments

Parts Received - Post 2 of 2

Below are the rest of the parts:

*********************************Props*********************************…

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Added by Johann van de Venter on April 30, 2014 at 6:13pm — 31 Comments

Parts Received - Post 1 of 2

Hey Guys 

I collected everything from the supplier today. Below are some photos of what I received

***************************************Frame***************************************

2 X RC Timer 450 Legs Red

2 X RC Timer 450 Legs Black

2 x RC Timer Spider Base plates

4 X Black Metal Stand-ups

1 X Camera Mount Plate

1 x GoPro Mounting Plate

5 x Rubber Vibration…

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Added by Johann van de Venter on April 30, 2014 at 6:00pm — 3 Comments

The Prodigal Drone Returns

This is an update on my earlier mishap.... (NOTE - For those who do not wish to subject themselves to a double helping of my long winded posts... basically, I built a really nice APM powered…

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Added by Quadzimodo on April 30, 2014 at 4:06pm — 10 Comments


Developer
An open letter to Paul from witespy

Hi Paul,

I don't know if you know me. I'm a lead developer for the ardupilot project. You know, the project that you just accused of not being open source in an interview on http://thecrashcast.com/. I write about half the code for the project, so maybe you've heard of me.

If you've been following my work for the last 4 years on ardupilot then you would know that I'm generally a pretty mild mannered person. I try to keep my posts…

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Added by Andrew Tridgell on April 30, 2014 at 7:00am — 120 Comments

Good Television News Report About Drones

Here's a pretty good news report about drones from a TV station in the Twin Cities.  It covers a variety of drone uses and discusses the UND program.  It also covers some political issues in Minnesota.

North Dakota opens nation's first drone test site…

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Added by Shad on April 30, 2014 at 6:30am — 2 Comments

New type of batteries are coming...in few years probably

Researchers at Rice University in Houston, Texas, have developed a nanoporous material that has the energy density (the amount of energy stored per unit mass) of an electrochemical battery and the power density (the maximum…

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Added by Greg Dronsky on April 30, 2014 at 2:24am — 2 Comments


Moderator
I'll be on the CrashCast Tonight

Here's the blurb:

diydrones moderator Mark Harrison (me!) will be appearing on the popular CrashCast podcast today, Wednesday April 30, at 8:00pm Central time.

A 30 year veteran of the Open Source Software (OSS) world (he release his first open source program in 1982), he will be talking about…

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Added by Mark Harrison on April 30, 2014 at 1:00am — 7 Comments


100KM
Getting back into UAV flying - HD Videos of Albany Western Australia

I thought I would share my recent experience getting back into UAV/RC. HI got started in this a few years back as a uni project where I wrote a FBW / Stabilization program on a PICAXE PIC chip using the ArduIMU as a sensor package. 

More recently I have started again with a…

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Added by Ben Dellar on April 30, 2014 at 12:30am — 2 Comments

First Post - Some good news

Hey Guys 

Before I start...just a little bit of information about myself. I'm located in Pretoria, South Africa. I have been flying heli's and planes for just over a year now and decided that it's time to get myself a multirotor. I did a hell of a lot of research online as well as tons of reading…

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Added by Johann van de Venter on April 29, 2014 at 5:58pm — 5 Comments

Loughborough University Undergraduate Search & Rescue

Undergraduates of Loughborough University have to do a Group Design Project as part of their final year Aeronautical MEng degree. This year, with the help of Simon Howroyd a PhD student at the University, one of the groups were…

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Added by Simon Howroyd on April 29, 2014 at 1:00pm — 9 Comments


3D Robotics
Phantom clone running APM

This is actually pretty cool. The Cheerson CX-20 Phantom clone ($330 at Banggood) uses an APM clone flight controller,…

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Added by Chris Anderson on April 29, 2014 at 12:39pm — 24 Comments

Airspeed, angle of attack, sideslip and flight path vector estimated in real time on APM!

We have been working for some time on a way to estimate and display important flight parameters such as angle of attack, estimated airspeed (on UAVs that do not have Pitot tubes), side slip angle or flight path vector (FPV) using a simple, robust dynamical model of the UAV and a computational method that is both fast and has computational time guarantees.…



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Added by Christian Claudel on April 29, 2014 at 12:30pm — 27 Comments


3D Robotics
BeaglePilot: APM on Beaglebone Black/Linux

We've been dropping hints about the forthcoming Linux-based versions of APM/Pixhawk. Here's another glimpse of the future, using the forthcoming Pixhawk Fire "cape" (like an Arduino shield) for Beaglebone Black.  Victor Mayoral Vilches explains the BeaglePilot project, which is a Linux-based autopilot for flying…

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Added by Chris Anderson on April 29, 2014 at 10:30am — 16 Comments

APM 2.5 External Led lights

Today I mounted and tested my led strobe lights.  (HK 12volt, 1Watt, corn led)



As I'm still a beginner when it comes to flying a multirotor this really helps on orientating and controlling the multirotor.



The Led's are indirectly connected to the APM 2.5 arm signal pin. The led's are mounted in series with a transistor that acts as a switch. The apm board sets the switch (transistor)…

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Added by Wipo on April 29, 2014 at 4:06am — 7 Comments

DGAC "the french FAA" accepted the first APMcopter

After a year of darkness, with a lot of crashes and deceptions, we manage to build our lightweight frame and get our manufacturer licence from the DGAC.

In France, europe will probably apply the same rules, the uav with batteries and dslr, has to be less than 4kg alltogether to be authorized in…

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Added by Nicolas on April 29, 2014 at 12:00am — 22 Comments

Telemetry Radio Range testing with home-made dipole antenna

On Sunday I spent the morning self-consciously traipsing around my brother's neighborhood with an apparently wierd collection of hand-held electronics and foam in the form or my APM, battery and a Hextronic 3DR knock-off 915MHz telemetry radio and Skyfun fin. We left a laptop on the top floor of the house running APM Planner with the base station radio connected directly to the USB port and using a standard "duck" monopole…

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Added by Andrew Rabbitt on April 28, 2014 at 11:10pm — 14 Comments


100KM
openFoam

I wanted to share my experience with openFoam. 

I am using openFoam as part of the free linux distribution CAElinux. CAElinux makes it a snap to get a copy of openFoam up and running. CAElinux also comes with a plethora of open source CAE packages. After going through many of the available tutorials, I can now import my own geometries and run a case. I still have…

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Added by wayne garris on April 28, 2014 at 6:46pm — 15 Comments

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