All Blog Posts (13,630)

Flightgear telemetry app

I have read about Curtis Olson's use of flightgear for UAV development, but didn't see any applications to download to get started working on an autopilot with. So I've started on my own:

http://code.google.com/p/binarymillenium/wiki/FlightGear


There's not much to it currently, it just demonstrates that I can receive vehicle state information through the native-fdm udp interface.

Added by Luke on February 2, 2008 at 7:53pm — 2 Comments


3D Robotics
Interview: Dean Goedde and the AttoPilot project

If you've been following the exploits of IceBear and a few others, you know that recently they've been beta testing a hot new autopilot that promises to be better and cheaper than anything else in the under $1,000 category. It's called the AttoPilot and I'm delighted that our third…

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Added by Chris Anderson on February 2, 2008 at 9:00am — 4 Comments


3D Robotics
Dean Goedde interview, part 3: All about IR sensing vs. gyros

Q: You decided to go with an IR sensor (aka "thermopile", shown) rather than a gyro and accelerometer in an IMU for the first version. Can you explain how you came to that decision?

I have found that even without fancy code, the thermopile is a…

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Added by Chris Anderson on February 2, 2008 at 8:30am — 13 Comments


3D Robotics
Dean Goedde interview, part 2: All about the AttoPilot

Q: In a nutshell, what's the AttoPilot project about?

The AttoPilot is about bringing a full-function powerful autopilot to a larger crowd, for many of whom "DIY" is not their interest, just something they can buy and use. I myself wanted to buy a hobby autopilot in late 2005 knowing… Continue

Added by Chris Anderson on February 2, 2008 at 8:30am — 8 Comments


Developer
Final version of ArduIMU (Include Video)



After a few more tests, I now have the final version of the ArduIMU. The main problem was the calibration of the gyros: converting the raw data to degrees/s. I had to change the source code, compile it, upload, and repeat it over and over again. Totally waste of time.



So i configured Arduino to externally adjust the gyros and…
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Added by Jordi Muñoz on February 1, 2008 at 10:30pm — 44 Comments


3D Robotics
Should you create a blog post or a discussion topic?

Every member of DIY Drones has the ability to create their own blog posts and discussion topics (Please do! This is a community site and its vitality depends on your participation).



Doing so is easy: click here to create a blog post or click here to… Continue

Added by Chris Anderson on February 1, 2008 at 8:30pm — 3 Comments


3D Robotics
Curt Olson interview part 3: GPS simulation with FlightGear

Okay, now that we've connected our PC to our autopilot's GPS input, let's let Curt walk us through all the things we can do with FlightGear. Starting with this:



Q : Is there a way to use FlightGear to plot a…

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Added by Chris Anderson on January 28, 2008 at 8:00pm — 2 Comments

uav projects with blackfin processor and wifi radio

X3D SRV1Console

After some distractions and delays, my uav projects, first described here - are back on track. Yesterday, I received the needed firmware update for the AscTec (X3D) quad - it's now possible control the quad via the serial interface with no FM transmitter in the loop. As before, the controller is an SRV-1 Blackfin Camera Board,… Continue

Added by Howard Gordon on January 28, 2008 at 3:58pm — 5 Comments


3D Robotics
Matt Chave interview, part 2: all about magnetometers

Matt Chave's CUAV project is a great example of custom autopilot building, but one of the most interesting parts about it is that it uses magnetometers--digital compasses--in addition to the regular accelerometers and gyros. In the second part of our… Continue

Added by Chris Anderson on January 27, 2008 at 8:30pm — 2 Comments


3D Robotics
Interview: Matt Chave and the CUAV project

For the second interview in our series, we'll go to Australia, where aerospace engineer Matt Chave has been developing a very interesting open source UAV that uses magnetometers in an interesting way (and he's using FlightGear for simulation!).…

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Added by Chris Anderson on January 27, 2008 at 8:23pm — No Comments


3D Robotics
GPS simulation hardware setup, part 2

In an earlier post, I discussed some of the options for connecting your autopilot to your PC for GPS simulation. I've now tried several of the options on our Basic Stamp autopilot, and I have some recommendations on what to do (and not to do).



Rather than try to re-use… Continue

Added by Chris Anderson on January 27, 2008 at 7:00pm — No Comments


3D Robotics
Curt Olson interview part 4: more advanced UAV simulation

[In the previous installments of my interview with Curt Olson, I focused on using FlightGear for GPS simulation--you fly the plane around in the flight simulator and the software outputs GPS data to fool your autopilot into thinking that it's the plane in the flight simulator, so you can see how the autopilot responds to being off course. Now we're going to… Continue

Added by Chris Anderson on January 27, 2008 at 6:54pm — No Comments


3D Robotics
Blimp UAV: handling navigation indoors

The blimp UAV project is moving along nicely. We've picked a general size and selected most of the components. We've now decided to go with a PIC processor, rather than the Stamp, Propeller, or… Continue

Added by Chris Anderson on January 19, 2008 at 8:30pm — 8 Comments


3D Robotics
Curt Olson interview part 2: we pause for a hardware moment

(part one of the interview is here. A followup to the post below, with some more specific advice, is here.)



Before we drill down with Curt on the specifics on one way to use… Continue

Added by Chris Anderson on January 18, 2008 at 3:00pm — No Comments


3D Robotics
Interview: Curt Olson on FlightGear and UAV simulation

I'm delighted to start our interview series with Curt Olson, the creator of the cool open source FlightGear flight simulator and a UAV engineer in real life. When I started researching how to… Continue

Added by Chris Anderson on January 18, 2008 at 8:30am — 6 Comments


3D Robotics
Our motto

"Because $10,000 $5,000 $1,000 $500 is too much to pay for an autopilot, especially one that doesn't do exactly what you want."

Added by Chris Anderson on January 17, 2008 at 10:30am — 4 Comments


3D Robotics
Best way to simulate a UAV flight?

While it's cold and windy outside, the best way to test our UAVs may be simulations. As best as I can tell there are at least two ways to do this, but I can't say I really understand either of them well enough to implement:



  1. Generate synthetic GPS data with your PC's serial port, see what the autopilot does as a result.…
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Added by Chris Anderson on January 15, 2008 at 7:00pm — 6 Comments


3D Robotics
Making a UAV fail-safe

A big part of the DIY Drones credo is keeping it safe, and by that I don't just mean adhering to FAA regs and staying away from built-up areas, but also keeping it safe for your expensive UAV! The truth, as we all know, is that computers crash and that aircraft flown by computers… Continue

Added by Chris Anderson on January 14, 2008 at 11:03pm — 24 Comments


Developer
First Arduino IMU test

I'm trying to develop an IMU for my Arduino-based UAVS (heli) project. In my first test I just used a three-axis accelerometer, but it didn't work because the motor vibration generated too much noise. I then tried it just with gyros, but of course the the…

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Added by Jordi Muñoz on January 14, 2008 at 9:44pm — 36 Comments


3D Robotics
The Paparazzi UAV team's amazing conference demo

A mindblowing report from Hackaday:



"The 24th annual Chaos Communications Congress in Berlin is already off to a great start. The first talk we attended was [Antoine Drouin] and [Martin Müller] presenting… Continue

Added by Chris Anderson on January 14, 2008 at 3:30pm — 5 Comments

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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