May 2012 Blog Posts (153)

jDrones Report: Beijing Hobby Expo 2012

Beijing Model / Hobby Expo May-2012


jDrones visited on Beijing Hobby Expo this May-2012. Beijing model expo is one of the biggest in mainland China. There are hundreds and hundreds of people around the world visiting on expos every year. This year was…


Added by Jani Hirvinen on May 23, 2012 at 11:21pm — 11 Comments

3D Robotics
Arduino 1.0.1 out, now compiles ArduCopter/ArduPlane natively

Good news: Arduino has released a new version of its IDE (1.0.1) and it now supports ArduCopter/ArduPlane right out of the box. (The previous versions of Arduino required a patched version that we supplied to handle the size of the ArduCopter/ArduPlane codebase, which is considered the most complex Arduino program ever made!)

Here are the…


Added by Chris Anderson on May 23, 2012 at 10:50pm — 20 Comments

Computing power on a multirotor.

I'm looking for a platform for basic image processing. Found nice products called fit-pc & fit-pc2i

Does anyone know/use better alternatives for that? It would be great if it could run Linux/Windows. 

Added by Ruwan on May 23, 2012 at 6:00pm — 26 Comments

Almost Ready

Added by Barry Nash on May 23, 2012 at 1:21pm — 7 Comments

G-force Reduction for Electronics in Crashes.

If you consider yourself to be one of the following, then read on:

1) Those with extremely fast airframes, such as jets or hotliners or the like.

2) Those that have more than the average dollar invested in their electronic packages.

3) Those that are just nerdy enough to just want to know if this…


Added by Chad Frazer on May 23, 2012 at 12:30pm — 3 Comments

Impressive new camera gimbal

I'm a big fan and supporter of open source multirotors but this is just too impressive to pass. Too bad it is super expensive and out of reach for most hobbyists. Just wanted to share this with the community and see what they have to say about the the frame, gimbal and about DJI in general. 

Added by Azam Shahani on May 23, 2012 at 11:38am — 71 Comments

$49 Android PC from Via


It’s about the size of a smartphone and about as powerful. It comes with Android 2.3

pre-installed, They’re taking pre-orders and expect to ship in July.




Added by Paul on May 23, 2012 at 6:30am — 12 Comments

Quickie Flaperons

Here is a quick test of the two-switch flaperon setup I whipped up for the EPP FPV from HK.

Added by Eric Tweet on May 22, 2012 at 6:24pm — No Comments

New Align APS ( Auto Pilot System )

Align Helicopter APS system features:

1.Semi-autonomous take off / Landing (Activate system, semi-autonomous takeoff into position and altitude hold, hovers in attitude hold with strong holding ability to prevent drifting, suitable for hover and flight…


Added by Ramon L on May 22, 2012 at 10:08am — 15 Comments

A Break from the Quad - Fixed-Wing FPV!

In the spirit of finally getting around to things, I got the HobbyKing EPP FPV plane in the air, FPV style!

The video is of my 3rd FPV flight, so pardon the less-than-ideal flying skills. I've done a handfull of flights non-FPV, but quite frankly I'm rubbish at flying that way. I suppose that's to be expected since this is the first RC plane I've ever flown,…


Added by Eric Tweet on May 22, 2012 at 4:01am — 9 Comments

Falcon 9 / Dragon Launch at 3:45AM EST (UPDATE: Success!)

UPDATE: They did it!!

For those of you awake right now, Spacex's Falcon 9 rocket with Dragon capsule will be launching from Cape Canaveral, Florida in less than an hour. If successful, this mission will see the first private spacecraft docking…


Added by Jeff Taylor on May 22, 2012 at 12:00am — 14 Comments

3D Robotics
Pictures from 3D Robotics at Maker Faire

We had a great time at Maker Faire, which was absolutely packed (100,000+ people). Above is a panorama shot of the 3D Robotics talk on Quadcopter UAVs, which was standing room only! (Thanks to Alan Sanchez and Sam Kelly for the ArduCopter flying and panorama photo taking).



Added by Chris Anderson on May 21, 2012 at 10:00pm — 8 Comments

Above Napa Valley

It really takes very little to become hooked on all this UAV stuff... Of course the learning curve for a complete and utter noob such as myself has been immense, but the payoff has been equally so. Being able to send my stock 3DR soaring above a sun-baked vineyard and have it return with a treasure trove of images including one like this, make all the time, frustration and money completely worth it!

Thanks to all of the developers, testers and enthusiasts…


Added by Jason Tinacci on May 21, 2012 at 2:30pm — 25 Comments

live broadcast from cinestar 8

so, we did it :)

it is not first time in history of humanity, but it can easily be first time in estonia. as every other genius ;) thing, it's pretty simple:

- take a multicopter (such as cinestar from freefly)

- take an hd-camera (such as panasonic gh2 or sony hdr cx350)

- take an hd-video encoder (such as teradek cube)



Added by Jaan Kronberg on May 21, 2012 at 2:00pm — 4 Comments

Leap is Kinect with 200* resolution? SLAM!

Get yer Dev Kit while its hot.

What technology does leapmotion use (is it imaging? a theramin?)

I'm not sure, but they promise uber-kinect like performance ; ie minority report handwaving;

but ultimately, if it creates a depth map at that size, shape, and cost…


Added by bGatti on May 21, 2012 at 12:30pm — 14 Comments

3D Robotics
Sparkfun AVC course preview

Sparkfun writes:

Our Autonomous Vehicle Competition is less than a month away now (June 16, 2012 at SparkFun Headquarters). It's shaping up to be an awesome day! We've created…


Added by Chris Anderson on May 21, 2012 at 11:40am — 2 Comments

Lipo battery calculator


A LiPo battery consists of multipe cells. These cells deliver approx. 3.7 Volts. A 4S LiPo would therefore supply 14.8V.

Apart from the cells, a discharge rate is defined by the letter 'C'. Most batteries cases say something like "25C to 40C" discharge rate. This means that 25C is the nominal discharge rate…


Added by Norman Sanchez on May 21, 2012 at 7:30am — 7 Comments

Brushless motors, esc, Batteries, tx rx.


Motors come in two variants: Brushed motors, which have small brushes that switch the power through the coils, and brushless motors, which need an external controller to do the switching for them.

Brushless motors are usually more efficient, can handle higher speeds and torques, can handle huge amounts of power, and are longer…


Added by Norman Sanchez on May 21, 2012 at 7:30am — 10 Comments

Wiki Ninja
Ballistic Parachute Test. 60% Fail > 100% Fail


At Maker Faire, Chris said auto-land is a hard problem. While I don't have much to contribute to that yet, I did want to try deploying a ballistic parachute mid-air to bring a plane down. A few others have 
shared successful parachute systems before.




Added by Jeff Vyduna on May 20, 2012 at 6:00pm — 21 Comments

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