All Blog Posts (13,186)

Drones threaten RC model flying

Bruce from RC Model Reviews has some very interesting points on this topic and he mentions something about him developing something for FPV models to detect full scale aircraft.

If you fly any type of RC model airplane then you ought to be concerned that various politicians around the world are seeking to have "drones" banned. These…


Added by brett binnekade on February 14, 2013 at 9:30am — 31 Comments

World’s Largest Valentine Heart with Dedication (for asena21)

Take a look at

Valentine Heart with dedication has been crafted on the sky using autonomous UAV.

Well beyond visual range, below frost point, in dense fog. Somehow it worked, over wast swamps near Wrocław, Poland (pronounciation: WrocLove).

The webpage looks like a quick mash-up but it's there. 4x3km, at 300m AGL.

A movie will come a few days later.…


Added by Krzysztof Bosak on February 14, 2013 at 7:30am — 11 Comments

Determining Altitude AGL Using Optical Flow

You are probably familiar with optical flow sensors which provide extremely precise measurement of ground speed (and therefore position) for quadcopters and computer mice.  The PX4FLOW is the most-recent example but there are many…


Added by Jonathan Price on February 14, 2013 at 2:12am — 12 Comments

3DRobotics Quad easy arm replacement (pvc tube)

This is a simple way to repair your 3DRobotics Quadcopter if for some reason you are missing one or more arms

Added by Abraham Guerrero on February 14, 2013 at 12:13am — 5 Comments

6 months inside a drawer, APM 2.0 Flies for the 1st time as Arducopter!

Searching Youtube I found this video.  I wonder how many Arducopters are still in parts?

Added by Mark Grennan on February 13, 2013 at 9:00pm — 2 Comments

Wired Article on the AUVSI Domestic Drone Meeting

From Wired:

For a day, a sandy-haired Virginian named Jeremy Novara was the hero of the nascent domestic drone industry.

Novara went to the microphone at a ballroom in a Ritz-Carlton outside Washington, D.C. on Wednesday and did something many in his business want to do: tenaciously challenge the drone regulators at the Federal Aviation Administration to loosen…


Added by Stephen Carlson on February 13, 2013 at 5:43pm — No Comments

"A system that improves the precision of GPS in cities by 90 percent".

"Researchers at Universidad Carlos III de Madrid (UC3M) have developed a new system which improves the ability of a GPS to determine a vehicle's position as compared to that of conventional GPS devices by up to 90 percent, and which can be installed in any vehicle at a very low cost.

The system, which…


Added by Hasufel on February 13, 2013 at 4:00pm — 9 Comments

Lee Felsenstein: "Makers, Hackers and the Personal computer Revolution"

I just received a note from Lee Felsenstein that he will be speaking today as detailed below. (note: Pacific time).  For those not familar, Lee was a member of the Homebrew Computer Club and designer of the Osborne I and many other ground-breaking products.

It should be an interesting talk.

Date: 12 Feb 2013 03:16:43 -0800…

Added by Mark Harrison on February 13, 2013 at 12:54pm — 2 Comments

6 Position Mode Selection for APM with LED Feedback

Hi All, This forum has been so helpful so I thought I would give back and contribute...

I was trying to understand how a previous poster on this forum actually did the 6 Position 2 Pole Rotary Switch Mod with LED Feedback. No where is there a write up on the HOW-TO for the LEDs but…


Added by LTMNO on February 13, 2013 at 12:00pm — 37 Comments

Phantom's a beginner dream (still need wide open area to be safe)

Hi guys, 

I got permission from my customer to share this story.  

The quad is a DJI Phantom, RTF in 10 minutes when you get your box delivered to you. yes no kidding, it's that simple. 

Of course this kind of product brings a lot of new beginner customers (as well as…


Added by Dany Thivierge on February 13, 2013 at 10:00am — 15 Comments

Let's talk about hatches?

Photos only...More about progress in build later.…


Added by Vladimir "Lazy" Khudyakov on February 13, 2013 at 9:43am — 7 Comments

Major Technology Patent Case Pending

A federal appeals court is about to review a case with broad implications for abstract technology patents. 

From …


Added by Shannon Morrisey on February 13, 2013 at 5:05am — 2 Comments

Another APM rebranding

Someone sent me the link of this of the APM rebranding.





Added by Christiaan van Vollenstee on February 13, 2013 at 4:45am — 49 Comments

3D Robotics
Google "Solve for X" presentation for non-military use of drones

Roboticst/artist Natalie Jeremijenko spoke at Google's "Solve for X" conference on using technology to solve big world problems, in this case "drones for good". I'm not sure she came up with anything particularily new, but thought it was worth sharing here all the same.

From the…


Added by Chris Anderson on February 12, 2013 at 7:30pm — 3 Comments

The Matternet: A Flying Autonomous Delivery System For The Developing World

I was wondering how long it'd be before someone did this... The early stage involves minimal lift capability, but eventually 1000kg -- goods and people.

The MatterNet on…


Added by Bot Thoughts on February 12, 2013 at 7:00pm — 5 Comments

Measuring SWR (Standing Wave Ratio) on your antennas with a Daiwa CN-801

SWR is one of those things that most people don't need to worry about.  However, when you start building your own antennas or need to get every mw of power out of your existing antennas, you might need to check/tune your SWR.



Added by Josh Potter on February 12, 2013 at 6:36pm — 14 Comments

A Drone Proof City


Added by Jethro Hazelhurst on February 12, 2013 at 1:30pm — 4 Comments

In the wake of ZURICH.MINDS 2012. Short speech of L.Meier about Open Hardware.

L. Meier about Open Hardware phenomenon:

"It's base technology like science, it just basis for many things "

A bit rough and chaotic, but very interesting presentation and opinions from a well-known developers of OpenHW UAV/UAS solutions.

First haltime dedicated to…


Added by F1P on February 12, 2013 at 4:53am — No Comments

Setting up Open9x to show current requested flight mode.

I have my Turnigy 9x Radio flashed with Open9X and it is configured to be able to select 6 different Flight Modes as instructed in this post

It was requested recently "Can you can display the selected Flight…


Added by Bill Bonney on February 11, 2013 at 8:30pm — 8 Comments

Pending Californian "Drone" Legislation

This may or may not be old news, but I thought it worthy of a post since many of us reside in this lovely state (including 3DR):…


Added by Jonathan M on February 11, 2013 at 8:00pm — 9 Comments

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Season Two of the Trust Time Trial (T3) Contest 
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