October 2009 Blog Posts (110)

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3D Robotics Progress report from the DIY Drones development teams

The dev teams are making great progress in the various Huddle workspaces. Above is just one example: the prototype enclosure for ArduStation 2.0. Looking good! Other teams that are making… Continue

Added by Chris Anderson on October 21, 2009 at 9:00pm — 3 Comments

xkcd + terminator + uavs



"We live in a world where there are actual fleets of robot assassins patrolling the skies. At some point there, we left the present and entered the future." -xkcd

Added by Tim Trueman on October 21, 2009 at 9:42am — 2 Comments


3D Robotics Harvard developing robot bees

From BotJunkie: "The National Science Foundation is giving Harvard a cool $10 million to develop a… Continue

Added by Chris Anderson on October 20, 2009 at 9:16pm — 3 Comments

Paparazzi help!

Hello!!

I´m very interested in the paparazzi uav ans the booz (quadcopter). But I have some questions that I wish that anybody could answer it.

1st- It´s possible to use the modem like a rc systems, for example connecting a gamepad to the laptop?

2nd- Which knods of sensor can be connected to the analog inputs? Are there code prepared for that?

3rd- Is ther a "newbie" guide to start in the paparazzi uav?

4th- It´s possible to control the booz with the laptop?

5th-… Continue

Added by Jesus on October 20, 2009 at 3:00pm — 10 Comments

Closed loop autopilot simulation with FlightGear - Part 1

I don't have the cash right now to buy a plane, ArduIMU, an auto pilot, and associated hardware. So, while I'm saving for the hardware, I want to play with the various algorithms out there in a simulation environment - to gain a deeper understanding and feel for it. I want to be able to code in C, so I can use the code directly in the hardware autopilot when I reach that point.



I want to use a flight dynamics model to generate sensor inputs to the autopilot (3 axis gyro, 3 axis… Continue

Added by Faisal Shah on October 19, 2009 at 10:30pm — 2 Comments

Hear Dean Goedde tell the story of AttoPilot on this week's podcast episode

iTunes links

AAC: http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=330632997

MP3: http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=330633212



RSS feed

AAC:… Continue

Added by Tim Trueman on October 19, 2009 at 10:25pm — 8 Comments

Podcast won't be streamed live

This week's guest will be Dean Goedde of AttoPilot fame.

Added by Tim Trueman on October 18, 2009 at 8:03pm — 3 Comments

French micro plane fast forwards to hover

Hope this is not a duplicate post (I've seen it before somewhere)



A mere 30 centimeters long, the MAVion combines fixed wings with two counter rotating propellers, allowing it to operate with high aerodynamic efficiency--even in adverse conditions, according to the professor.





thought this might be of… Continue

Added by isobot on October 18, 2009 at 4:59pm — 1 Comment


Developer My UAV helicopter - vibration problems

Hello All,



Like a few others, I've been working on a UAV Helicopter but I've hit a bit of roadblock and I'm looking for some helpful advice from the community. At the moment, when I try to fly the helicopter (so far as high as 4 inches off the ground), it tries as hard as it can to bank left because it thinks it's leaning at >40%. The problem is vibration and I'm looking for any advice I can get on how to overcome this problem.



Below is some slightly massaged data from… Continue

Added by Randy on October 17, 2009 at 10:58pm — 14 Comments

Above Sunnyvale

Found a few safe landing zones in North Sunnyvale to lift off from. 1 area is closer to the subject of interest, but with higher risk of getting jammed.









Had a day job here in 2000, in a building which has since been destroyed

& replaced. Our old man worked across the street in the 80's.





He… Continue

Added by Jack Crossfire on October 17, 2009 at 10:30pm — 3 Comments

Best way to calibrate a pitot / Good way to estimate wind?

I just added a pitot to my ezstar (http://bordelon.net/ezstar) and did a flight. Naturally the plots of the airspeed sensor and GPS velocity (projected onto the X axis... straight thru the nose) did not seem to match. But should they? I figured any wind would skew the results, so how do you know you're calibrated?



I first tried to make a "manometer" with a tube of water but that seemed to just make a mess and was off by 50% in the end.



I finally just flew with the… Continue

Added by Tj Bordelon on October 17, 2009 at 4:06pm — 12 Comments


Moderator MikroKopter - HexaKopter

I like what I see, but it's a very expensive "toy".

Starting at: $1,549.95USD



RTH.

Hold pos.

Over 1 kg of payload.



See the video it's pretty nice.





Info: Google translate in… Continue

Added by Hooks on October 17, 2009 at 10:30am — 12 Comments

Telemetry testing

I spent some time on the software for the ground control station lately and did some telemetry flights with my UAV Flying Wing.

Nothing special but I thought I'll post this anyway so people know that I'm still alive. The software is a… Continue

Added by jaron on October 17, 2009 at 4:12am — 8 Comments

10Hz Venus GPS Module + antenna ~ $62

Just came across a "new" module from Sparkfun, that promises 10Hz update rate and has a binary protocol. Does anyone in the community have any experiences working with one of these?





Venus GPS Module



SMA… Continue

Added by Pekka Ahola on October 17, 2009 at 3:11am — 10 Comments


3D Robotics Last weekend for the T3 Contest!

Just a reminder that entries are due at 12:00 midnight PST on Sunday for the current T3 contest. Right now we've got six entries, and it would be great to get a few more in today or tomorrow. I'd hoped to enter an ArduPilot and AttoPilot, but I had three straight bad… Continue

Added by Chris Anderson on October 17, 2009 at 3:11am — No Comments

Connecting an ardupilot card with a datalogger?

I'm currently trying to connect a Sparkfun logomatic v2 serial datalogger (WIG-08627) to the ardupilot card. I understand how to do it using anolog connections ,but I can't figure out how to do it through a serial connection. Does anyone know how to connect the ardupilot with the datalogger using a serial connection?

Added by Nathan Woody on October 16, 2009 at 7:13pm — 4 Comments


3D Robotics High school students developing autonomous blimp

This team of 17 years olds designed this RC blimp from scratch, and learned a lesson in weight control and using optimal components, since this seems to be based on heavy Vex parts. Next up: autonomy. If they want a Blimpduino, we'd be happy to send them… Continue

Added by Chris Anderson on October 16, 2009 at 3:57pm — No Comments

Laser rangefinder with RS232 output

See: http://www.opti-logic.com/industrial_rangefinders.htm Pricing from $495 for the 100 yard unit to $595 for the 400yard one.



7-9VDC conditioned required and Current draw @ full power (~ 1.8W)



Range (Minimum 4 Yards)

Resolution 0.2m

Dimensions: 32x78x84mm

Weight: < 8oz…



Continue

Added by Sarel P. Wagner on October 16, 2009 at 3:58am — 6 Comments


Moderator Balloon Boy



Priceless



http://www.dailymail.co.uk/news/article-1220702/Boy-6-trapped-homemade-aircraft-floating-thousands-feet-air.html?ITO=1490



http://www.guardian.co.uk/uk/feedarticle/8757668…



Continue

Added by Gary Mortimer on October 16, 2009 at 1:34am — 5 Comments

The dry Stanford lake bed

is a long long long drive from the east bay on 25mph roads. Then on weekdays you're greeted with permit parking only, anywhere within 1/2 mile of the lake bed. Fortunately, U can park in the golf course parking & walk 1/2 a mile to get in.



It has scattered tall weeds, making landings tricky.









It's a very large area with spectacular views from 400ft,… Continue

Added by Jack Crossfire on October 16, 2009 at 12:00am — 5 Comments

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