October 2011 Blog Posts (138)

BoardX: The Open Source Miniature Motherboard

BoardX is a collection of electronic circuit boards from Upgrade Industries that stack on top of one another to share resources, communicate, and extend the…


Added by KG on October 28, 2011 at 5:24am — 9 Comments

Is a bicycle a UAV if a robot is riding it?

Using two gyros and a PID controller in custom hardware, this bipedal robot stabilizes itself as it rides around on its bike.




(in Japanese, but Google Translate provides something reasonably understandable.

Added by Mark Harrison on October 28, 2011 at 2:07am — 16 Comments

Some Bluetooth and Android sillyness...

Above you can see a screenshot of my latest hack: a remote control app for an Android phone controlling my mini quadcopter via bluetooth. What is it controlling? This:…


Added by Marko Kleine Berkenbusch on October 27, 2011 at 9:13pm — 21 Comments

Android Circuit Editor/Simulator App

By far the coolest phone / tablet app I've come across. EveryCircuit is a simple SPICE circuit design tool with a slick touch interface, shows voltage and current animations and more.  This is no doubt the look and feel of circuit design tools for the future. Also could be a fun, easy way to…


Added by Shannon Morrisey on October 27, 2011 at 3:17pm — 6 Comments

More Ardustation MAVLink software


I've written my own Ardustation software for talking to the APM using MAVLink. The software is based on my previous version (for APM v1.x), which was in turn based on code written by Michael Smith.


It is capable of editing…

Added by Colin on October 27, 2011 at 2:00pm — 25 Comments

Rotor Concept HPQ-1 quadcopter review at Engadget

Hands-on video over at engadget about this hardware from Rotor Concepts.  Interestingly they cite a max. altitude of 2000 feet...where are they getting their permits??? {-Just a thought}  I'd love to see a hardware breakdown on…

Added by Scott Plunkett on October 27, 2011 at 9:50am — 19 Comments

OpenPilot CopterControl - Tricopter

Compilation of some on-board footage from the my OpenPilot CC Tricopter. This thing is super stable. I have complete confidence when flying with OpenPilot. Can't believe how simple the setup was. I am using 3-bladed props this time. They are much quieter, but produce less thrust. I had to adjust my trottle curve a bit to get better…


Added by Kevin Vertucio on October 27, 2011 at 7:00am — 11 Comments

Why OCTOV is a good choice for Aerial Movies



Hi everyone,


After several weeks of Flying with this plateform it's time for conclusion.

Avantages of OctoV : Payload can be 1 Kg

Autonomie can reach 5 mn with 4S 5000MAh

Against the Wind it flies well


One time the OctoV just fall down from 20 meters (no more juice) but the plateform stay horizontal and the Camera was safe :)  3D camera (really…


Added by patrice.rance on October 27, 2011 at 5:50am — 8 Comments

Quest for the perfect flight path...

After some decent results described in my previous post regarding PID tuning for high winds: http://www.diydrones.com/profiles/blogs/pid-tuning-for-high-winds, I wanted to see what it would take to get the best possible flight path with the least amount of flight planning possible. The end result was a three waypoint 90degree corner, as shown below.



Added by Mike on October 26, 2011 at 8:42pm — 22 Comments

3D Robotics
Using drones to monitor the rain forest in Brazil

Another good non-military use for drones, reported in Fast Company:

Brazil's environmental police are deploying unmanned aerial vehicles (UAVs), or drones, to monitor the country's vast forest for illegal logging,…

Added by Chris Anderson on October 26, 2011 at 12:00pm — No Comments

3D Robotics
Google Earth flight simulator growing up

From the Google Earth blog, an update of the community-created flight simulator plug-in to GE. Not quite ready for hardware-in-the-loop simulation yet, but it's getting there!


The latest version (.07) includes some nice…


Added by Chris Anderson on October 26, 2011 at 9:41am — 4 Comments

APM carrier for Hawk Sky and related planes

Inspired by the recently announced APM carrier for the Bixler, I made my own carrier for the Hawk Sky.  Build notes and more photos here:




Added by Mark Harrison on October 26, 2011 at 1:47am — 5 Comments

3D Robotics
UDT UAVforge.net Entry

The Cooper Union - Unmanned Development Team

UAVforge.net Entry,


The Aeolis UDMA


Let me know about any improvements you guys can come up with, and vote for it if you like it!

Added by Julian on October 25, 2011 at 10:00pm — 7 Comments

BAE Hawk Formation

So ... not everyone in R/C hates Team BlackSheep - what a surprise! :) Some even allow us to fly with them. Here's how that turns out:

Added by trappy on October 25, 2011 at 7:00pm — 16 Comments

PID tuning for high winds...

After a grossly failed attempt at fully automatic landing due to mild winds (luckily no damage), I decided to go back to the simulator and see what PID tuning is required to handle the harshest flyable wind conditions that I could throw at Ardupilot. Because I fly in the mountains and I'm interested in fully automatic take-off and landings, path following needs to be as accurate as possible.


Xplane settings:

Plane: Radio controlled PT60

Weather: Wind: 25kts at…


Added by Mike on October 25, 2011 at 4:00pm — 15 Comments

Spherical Drone developed by Japan Ministry of Defense

Japan's Ministry of Defense released 2 days ago their spherical drone: 350 grams, 8 minutes fly time.

Pretty impressive. Drawing board anyone?



Added by Hasufel on October 25, 2011 at 2:58pm — 20 Comments

Arducopter with Xaircraft X650 value frame

I've been looking around for a cool frame and came across the X650 V4 frame from Xaircraft.

Before I ordered it from…


Added by Vincent Mees on October 25, 2011 at 9:00am — 74 Comments

Scorpion tricopter with Ardupilot mega

Hey guys,


We have just been setting up and testing a APM with our Scorpion tricopter, Stabilise mode works very well and we have tested loiter with some sucsess, It needs a sonar sensor i think to get a more accurate altitude reading, it is also not very presice on the location, it will drift for quite a few meters. Also while testing auto mode it has a tendancy to lean backwards and slowly drift way. Any ideas?


More testing to come


Here is a…


Added by Luke Cooke on October 25, 2011 at 8:55am — No Comments

counter rotating motor and prop set

this is a wonderful counter rotating BLDC motor and prop set ideally suited for planes between easystar and skywalker because of small footprint for the power equivalent 30xx size motors. it delivers 270 watts with 3S Lipo. the mounting would be bit tricky though. never tried but would order soon. very useful because prop diameter has to be restricted on pusher prop aircrafts with tail boom below the prop. once i get mine would put the performance parameters on the same blog. available at…


Added by Ravi on October 24, 2011 at 10:08pm — 13 Comments

Video quadricopter GAUI GU-500X with INS and camera

The staff of RCTECH has published a video of the new quadricopter GAUI 500X installed by the navigation system INS GU- HD and GoPro Hero camera. In the video demonstration of the automatic return, the operation of the camera mounted on the frame of the drone and the real-time video transmission with telemetry information on speed, altitude and battery voltage.






Added by Paul on October 24, 2011 at 3:30pm — 5 Comments

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