March 2010 Blog Posts (118)

Just getting started (again)

I flew my ArduPilot V1 in a 33inch wingspan redi-board foam plane on numerous occasions with great success early last year. RTL and way point mode worked great after lowering the gains for the small light craft. Of course it only flies well on calm days since it had no stabilization. I retired it a few months ago and am building a pusher this time, 50-60 inch KFM3 wing, the fuse and tail modeled after the Raven UAV. If it flies I'll post picks :), the wing is built, and the fuse will be ready… Continue

Added by Marc Daniels on March 5, 2010 at 5:28pm — No Comments

THERMOPILES, GYROS, & LIGHTS

So went through many boards trying to get useful results from thermopiles. The trick is they have the teeniest tinyest voltage changes & very slow responsiveness. Work around the responsiveness through extreme amplification.



The unamplified thermopile was immediately busted. Not enough current.







Straight 2:1 amplifier. The voltage changes were too small.…





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Added by Jack Crossfire on March 5, 2010 at 12:00pm — 8 Comments

stanford autonomus stunt robots

i was surfing across youtube today and i came across some really complex autonomous flying. Thought id share with you and see what you guys thought of it. It was done by Stanford university students. …







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Added by benjamin1254 on March 5, 2010 at 9:52am — 4 Comments


Moderator
WWII drone flies again


I thought this was very interesting


http://rcaircraft.blogspot.com/2010/03/wwii-uav-flies-again.html

Added by Gary Mortimer on March 5, 2010 at 1:36am — 5 Comments

ESC and LiPo problems, fuzzy control stopped...

Hi!!


How are you??


New problems!!!! big problems!!!!


In our last neural network training, we had a accident, i crashed the helicopter, hehehehe


So, we rebuild it, we just change the blades, and the blades holders, that was all the damage, lucky us...


But with the new blades installed, we had to track them, so we try to do it, failure after failure, so we stopped,…
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Added by Aldo Vargas on March 4, 2010 at 5:04pm — 3 Comments


3D Robotics
New $50 PIC prgrammer from Sparkfun. Will it work with the UAVDevBoard?

Another PIC programmer option from Sparkfun, perhaps an alternative to the dubious PICkit III. The $49 Cana Kit says it is "100% compatible with Microchip's MPLAB IDE, and the PICkit 2…

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Added by Chris Anderson on March 4, 2010 at 1:15pm — 8 Comments

Outback Challenge featured in tonights show of Catalyst in Australia

Outback Challenge featured in tonights show of Catalyst in Australia


"A group of aeronautics enthusiasts are attempting to meet the challenge of unmanned flight. Paul Willis dropped in to check out the annual UAV challenge in Queensland. Planes will crash and burn, some won't leave the ground, but will Outback Joe be saved for the very first time?"…
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Added by Max on March 4, 2010 at 4:21am — 6 Comments

Phlatprinter: DIY CNC for RC foamies

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Added by Mike on March 3, 2010 at 3:00pm — 10 Comments


3D Robotics
ArduPilot 2.5 manual now on the Google Code wiki



With all the changes and improvements in ArduPilot 2.5, we decided to redo the manual as a wiki on the project's Google Code site. As with all wikis, it's a work in process, but it's now good enough that we have retired the old manual. All the manual links should now point to the wiki.…

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Added by Chris Anderson on March 3, 2010 at 1:18pm — 7 Comments

Fiberglass Easystar landing gear and fuse half joining.

Here the fuse halves are joined with masking tape and the inch and a half seam tape is applied to the bottom.

Landing gear being molded into the bottom and will be sanded smooth after resin sets. The long brush on top will be used to apply the seam tape to the inside top portion of the fuse.

Rear wheel temporary fit…

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Added by Dr. Stewart Pid on March 3, 2010 at 12:32pm — 15 Comments

Lucky shot of a hawk in flight

I realize that this isn't directly relevant to the development of uav systems, but here is a lucky shot I got last week of a red tail hawk in flight. I pulled this frame from a video using VLC player and the camera that I used was a keychain camera I bought on ebay.

Added by John M on March 2, 2010 at 9:29pm — 22 Comments


3D Robotics
T3 Round 5 deadline moved to March 14th

Due to crappy weather over the past month, not enough people have been able to do their T3 Round 5 (virtual Sparkfun competition) runs. So we're going to extend the deadline to Sunday, March 14th, at 12:00 midnight PST, giving you two more weekends to do your runs. This is an easy one, so let's get some more times out there!

Added by Chris Anderson on March 2, 2010 at 1:00pm — 1 Comment

New Camera


Just got a new camera (on right). you can compare that to the LTS wireless camera on the left.

more info on this at a later date, I don't have all the specs. maybe someone can identify it. draws 20mA at 3v, color video


Added by Jeff on March 1, 2010 at 10:01pm — 16 Comments


3D Robotics
DIY Drones now at 8,000 members!



Today we hit another milestone, with 8,000 members. Over the past year traffic on DIY Drones has grown more than 4x,…

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Added by Chris Anderson on March 1, 2010 at 3:00pm — 6 Comments


Developer
APM Oil Pan!



Is 2:22AM (when i started writing this) and i can't sleep, so i decided to write this post.


I been working "hard" and the fastest i can to finish this thing, theres only one step remaining in order to start the "mass" production of this board.


This is how the last step will be done:
-A unique…
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Added by Jordi Muñoz on March 1, 2010 at 3:30am — 68 Comments

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