All Blog Posts (9,391)

Evolving aircraft control values using a genetic algorithm

I've been doing some experiments to evolve PID control values in X-plane using a genetic algorithm, with some success. I posted a description about the experiment on my blog. I didn't want to reproduce the entire post here, but thought I would link it and post a video of the experiment:

Blog post:…


Added by Benjamin on December 22, 2010 at 10:30am — 9 Comments

Make your own plastic mini lens

One of my side projects has been to develop an open-source visual motion / optical flow sensor that may be usable in all sorts of devices, whether robotic related or not. I've found though that one of the most difficult parts of developing tiny vision sensors is finding the right optics. Ideally we want something…


Added by Geoffrey L. Barrows on December 22, 2010 at 5:09am — 6 Comments

ArduCopter Frame Mod with Detachable Arms

I ride a motorcycle and the assembled quad just won't fit on the bike.  I have made a few modifications to the Arducopter kit as manufactured by Jani @ Fah Pah.  My mod makes the arms easily detachable with a few more parts. You'll need:

- eight 1/4" spacers (I bought at the local hardware store)

- four bolts similar to the 20mm in the kit

- four wing-nuts or threated spacers that you can grip (for the four bolts above so you can finger tighten…


Added by paul hubner on December 21, 2010 at 10:00pm — 2 Comments

Custom quadcopter

Spent the last number of months building  a quadcopter.  I though I should share the results. Great fun with a number of crashes, broken props and motors. The bottom link is a 4 minute youtube flight video.

You'll notice in the video, the first half the motors are red, but later on they're blue. In one test flight,

we lost power to one motor, the quad flipped over and did a power dive into the ground. That took out a pair of motors and props.…


Added by jerry okeefe on December 21, 2010 at 9:30pm — 3 Comments

3D Robotics
DIY Drones visits Willow Garage

Yesterday some of the DIY Drones team spent the afternoon at Willow garage.  Here…


Added by Chris Anderson on December 21, 2010 at 8:00pm — 7 Comments

Hello and a Christmas/New Years video

Hi all. Several of us working on the ETH Flying Machine Arena have been watching DIY Drones for a while but we've never really participated in any way. Since our work is somewhat related and might be of interest, we thought we'd post something:


So, it's been a busy year. Many new little quads as well as people joining our team. Many projects, many crashes, many improvements, probably as…


Added by sergei lupashin on December 21, 2010 at 4:30pm — 10 Comments

3D Robotics
Video review of HobbyKing's new FPV/UAV plane

The hilarious Flite Test crew has a video review of HobbyKing's new Skywalker-style FPV/UAV plane. I've got one on order--it looks good and BIG.


Click through to the description of the video for a full list of the components they…


Added by Chris Anderson on December 21, 2010 at 2:30pm — 6 Comments

3D Robotics
ShoeAVs (cool French video---look familiar?)

From Makezine: "French brand Faiyue is advertising their shoes with this stylized video portraying a make-your-own flying shoes…


Added by Chris Anderson on December 21, 2010 at 12:48pm — 3 Comments

3D Robotics
ArduCopter NG taken over by Pirates!

Just a quick announcement that the ArduCopter project has been boarded by (friendly) pirates! The "ArduPirates" refers to a great group of quad hackers over on RC Groups who have been making many useful additions and fixes to official…


Added by Chris Anderson on December 21, 2010 at 8:00am — 12 Comments

Smithsonian Acquires Model Airplane

I thought this article might be of interest to this community.  It starts:

"In September 2010 the Smithsonian Institution in Washington DC vetted the TransAtlantic Model (TAM) and selected it as an historic artifact..."

The short article (letter, actually, from Maynard Hill) can be found…


Added by Paul Marsh on December 20, 2010 at 5:57pm — 3 Comments

3D Robotics
Proof of concept: Flying the UAVDevBoard over the Internet with Android

Tom Pittenger shared this video demo of how you can fly the UAVDevBoard (or possibly any other autopilot) over the Internet via an Andorid phone.

Here's his illustration of how it works:…


Added by Chris Anderson on December 20, 2010 at 9:00am — 25 Comments

Xbee 868 revived?




Update Aug 2011:


After a great deal of tests, this option for telemetry did not work for our us, I now have a working telemerty kit option which can be seen…


Added by Martint on December 19, 2010 at 5:30pm — 17 Comments

JPO Hosts AMA Webinar on FAA Rulemaking

Here is where you can get the info and powerpoint from the recent webinar on the FAA RUlemaking. Seems the AMA is really pushing the "No rules for AMA members and no recreational use without the AMA" line. Seems to me they want to make everyone join the AMA whether they need it or not. The AMA has done nothing to "supervise" model aviation in its entire history so why should the FAA think they will do so if given that power? Sounds more…


Added by Duane Brocious on December 19, 2010 at 12:30pm — 34 Comments

3D Robotics
DIYDrones now at 13,000 members

As is customary and traditional, we announce each new thousand members. Now we're at 13,000 members. Growth is continuing to accelerate. We now add an average of one new member every 70 minutes. Given the screening process to accept new members (they have to fill out an admission form and be approved by a moderator, a process…


Added by Chris Anderson on December 18, 2010 at 11:59pm — 10 Comments

3D Robotics
Buildlog/flight video of new Nitroplanes Raven clone

Here's a great video buildlog of Nitroplane's new fiberglass and carbon RQ-11 Raven clone (1-1 scale). I've got this kit and it looks very good, a real step up from foam for those who want lots of interior room. My only reservations are what looks like a fragile wing attachment with two screws, and this video review's discovery that it needs six (!!) ounces of clay in the nose to get the CG…


Added by Chris Anderson on December 18, 2010 at 2:30pm — 10 Comments

LA vs Silicon Valley

Been debating whether to chase aerospace jobs in LA or keep doing short contracts in Silicon Valley.  It looks like you're just going to get short contracts these days.  LA looks like the main Aerospace environment but it's quite a move & we've heard horror stories.


Our dumpy apartment was 15 years old when we moved in & now it's 25 years old.  It's the longest we've ever lived in the same place & we've done the 680 commute twice as long as our…


Added by Jack Crossfire on December 18, 2010 at 1:30pm — 3 Comments

Maddow does Drones

Visit for breaking news,…


Added by bGatti on December 18, 2010 at 12:37pm — 3 Comments

New OpenFGS Ground Station


Hi Guys

This is my new ground station (and my smiley face)

I'm developing this software since 3 days (yes i know i'm too fast, because this is my job since 20 years)


It's working with my new SimpleOSD telemetry protocol…


Added by Melih Karakelle on December 18, 2010 at 7:30am — 16 Comments

3D Robotics
Some limitations of the Kinect for SLAM

I Love Robotics has posted an excellent analysis of how the Kinect compares to other SLAM solutions, such as the Neato Lidar and Hokuyu lasers.


Here's an excerpt, but do read the whole thing. It's…


Added by Chris Anderson on December 17, 2010 at 6:03pm — 5 Comments

ArduCopter Beta 2 release--GPS position hold, altitude hold and more!

ArduCopter Beta 2 release


After a long wait we are delighted to finally release our second official firmware for ArduCopter. This code is our intermediate code (code name NG) that is a step towards reconciling with the full ArduPilot…


Added by Jani Hirvinen on December 17, 2010 at 12:00pm — 123 Comments

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