DIY Drones

Latest Activity

How much would you plan on charging for the smallest one (pictured above)?
8 minutes ago
Can we use Sparkfun 3-axis IMU-based autopilot board for helicopter ?
21 minutes ago
Stephen Jack added a blog post
"ArduPilot's vehicle (car or boat) mode can also be used for ground testing aircraft navigation or as a simple navigation-only autopilot for aircraft with a separate stabilization system to provide a full autopilot solution. It is enabled by selec...
30 minutes ago
Aw man, if I had only waited another week I could have gotten a flat one? For the same price too?! =(
51 minutes ago
newbie. please excuse the elementary questions that have been answered at one point or another. especially on links like this lol http://diydrones.com/profiles/blogs/ardustation-assembly
1 hour ago
Thanks! You've been most helpful!
1 hour ago
I think it is 2 diodes and a resistor on the ardupilot board. The ardustation board remains unchanged for hardware. ArduPilot and ArduStation SOFTWARE would need to be modified for these features. Greg found a method with a MINIMAL hardware change...
1 hour ago
Can you post a diagram of your circuit? I might try that using Pin 6 and 7 and use the Serial mux to control it all. Your circuit sounds like it would save me a pin. Maybe the next Ardupilot board will incorporate these features... hint, hint.
2 hours ago
Use uCenter to configure it.
2 hours ago
Thanks for get back so quick, Yep, got from you, is changing the protocol something I can do? or maybe a magic decoder ring? also is there a command reference somewhere? Thanks again, Klaude
2 hours ago
Brian added a discussion
I've been reading about a new type (relatively speaking) of Lithium battery that is available. They are produced by a company called A123 Systems. They make a ton of different batteries for all kinds of applications. The big deal about these cells...
2 hours ago
If you got the GPS from us, it was programmed into binary protocol. You won't be able to see the data in plain text.
2 hours ago
Klaude added a discussion
I got one of these recently with the adapter board, I'm having some difficulty communicating with it and cant seem to find the serial settings I need to read from it. I've got my serial port set to 8N1 and tried everything from 4800 to 38400 and s...
2 hours ago
I am defiantly interested ! What I would like to use it for is sending commands to the plane to : 1. Skip to next waypoint 2. Go to waypoint xx. 3. Circle where you are at. 4. Decend to xxxx altitude and hold 5. Assend to xxxx altitude and hold 6...
3 hours ago
I used to use the wire cutter all the time in school. Are you using blue styrene foam? The fumes are noxious, so be sure to ventilate well. I also used the surform to shape the foam, and 100-400 grit paper to finish it. You can also cut shapes out...
3 hours ago
Highlights include: --Talking about the market for IMUs beyond autopilots, such as VR controllers and other Wii-like gear --The release of their next IMU, which will be temperature calibrated --Speculation about what IMUs in phones might bring --...
3 hours ago
Tim Trueman added a blog post
3 hours ago
Matt Fisher added a blog post
Inspired by the TERN build post, I built my own foam cutter over the weekend and I hope to be getting alot of use out of it soon. I run the wire at 160-180 degrees and it seems to cuts clean and slow. More details and video of it in use here -...
4 hours ago
Ahh yeah, they are all what's called "step response" so its an instantaneous max error state response output. I havn't done any rudder plane control laws but you will find it intersting (depending up your implemenation) how most of the gains for P...
4 hours ago
how much payload does the 8 foot wingspan carry, is there any diehedral
4 hours ago

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Forum

Wayne Dancer

What Would You Pay For An Airframe? 18 Replies

Started by Wayne Dancer in Aircraft platforms. Last reply by Nullified 8 minutes ago.

Chris Anderson

Discussion forum for Sparkfun 3-axis IMU-based autopilot board 430 Replies

Started by Chris Anderson in UAV Dev Board. Last reply by thoha muhammad 21 minutes ago.

Toby Stein

ArduStation Power Supply 7 Replies

Started by Toby Stein in ArduStation. Last reply by Toby Stein 1 hour ago.

Klaude

Default data rate of GS407 U-Blox5 GPS? 4 Replies

Started by Klaude in GPS. Last reply by Klaude 1 hour ago.

Greg Fletcher

2-way com with aurdu with GPS and in auto 3 Replies

Started by Greg Fletcher in ArduStation. Last reply by Earl 1 hour ago.

Brian

A123 LiFe Lithium-ion Batteries

Started by Brian in RC equipment 2 hours ago.

Dale

FMA X-Y sensor for sale - new, never flown 4 Replies

Started by Dale in Buy, Sell, Trade. Last reply by Dale 5 hours ago.

Michael King

PID loops and Tuning 13 Replies

Started by Michael King in Autopilot software/algorithms. Last reply by Ryan Beall 5 hours ago.

xchip

kalman filter, is this correct? 2 Replies

Started by xchip in Autopilot software/algorithms. Last reply by xchip 8 hours ago.

timmyPatterson

Aerial Photos

Started by timmyPatterson in Aerial photography 11 hours ago.

endrew

baud-rates qustion 5 Replies

Started by endrew in ArduPilot. Last reply by jasonshort 13 hours ago.

Thibaut Dubois

Ardupilot with gyro/accelero instead of X,Y,Z horizon sensor 4 Replies

Started by Thibaut Dubois in ArduIMU. Last reply by Thibaut Dubois 23 hours ago.

Toby Stein

Error when trying to upload Ardupilot 2.4 6 Replies

Started by Toby Stein in ArduPilot software version 2.4. Last reply by Toby Stein 1 day ago.

Sarel P. Wagner

Open Source UAV Airframe 141 Replies

Started by Sarel P. Wagner in Aircraft platforms. Last reply by bGatti 1 day ago.

jasonshort

2-way Com with Ardu Pilot 10 Replies

Started by jasonshort in ArduPilot. Last reply by Greg Fletcher 1 day ago.

xchip

How about using 4 gyros to reduce the noise? 13 Replies

Started by xchip in Autopilot software/algorithms. Last reply by noel hughes 1 day ago.

Kristoffer Larsen

RQ-7 Shadow 200

Started by Kristoffer Larsen in Newbie 1 day ago.

CLT

Connect ArduIMU to ArduPilot 9 Replies

Started by CLT in ArduIMU. Last reply by CLT 1 day ago.

Photos

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Welcome!

This is a site for all things about amateur Unmanned Aerial Vehicles (UAVs): How-to's, videos, discussion and more (you can read more about us here). Please use the tabs above to navigate the site.

These are our Arduino-based open source autopilot projects:
* ArduPilot, a very low-cost (the basic board is just $24.95!) autopilot
* BlimpDuino, an autonomous blimp with both infrared and ultrasonic guidance

Other UAV/autopilot projects and code, by processor and OS type, are here.
Earlier DIY Drones projects, including Lego and cellphone autopilots, are here
Interviews with interesting UAV and autopilot experts are here.

FAQs:
* I'm new to all this--where do I start?
* Are amateur UAVs legal?
* What's the difference between a gyro and an accelerometer? Do I need both?
* I'm confused by all these terms! Is there a glossary? (yes!)

You can find a list of external UAV resources, including commercial UAVs and other open source UAV projects and code here.

Contests

The third round of the DIY Drones Trust Time Trial (T3) Contest has now begun. This round is an altitude round that attempts to beat the current world record for cumulative climbs. Deadline is November 29th. Enter here.

Blog Posts

Stephen Jack

Walkabout Mode in which versions?

"ArduPilot's vehicle (car or boat) mode can also be used for ground testing aircraft navigation or as a simple navigation-only autopilot for aircraft with a separate stabilization system to provide a full autopilot solution. It is enabled by selecting "Walkabout mode" in the configuration settings."

Which versions of ArduPilot have Walk about mode? Thanks

Posted by Stephen Jack on November 9, 2009 at 11:30pm

Matt Fisher

My New DIY Foam Cutter

Inspired by the TERN build post, I built my own foam cutter over the weekend and I hope to be getting alot of use out of it soon.



I run the wire at 160-180 degrees and it seems to cuts clean and slow.

More details and video of it in use here - http://www.fisherinnovation.com/?page_id=318

If anyone has built/used… Continue

Posted by Matt Fisher on November 9, 2009 at 7:46pm — 1 Comment

jasonshort

Visualizing PID loops

This post is an attempt to add a visual explanation of PID loops. I had read Michael King's excellent post , but I wasn't sure how to design loops to do specific things.

To me PID loops seemed a bit of a black box, so I decided to graph them out in order to better understand the inputs and output of the equations. They are actually quite simple, but I've never seen a good visual explanation. I may have some detai… Continue

Posted by jasonshort on November 9, 2009 at 3:45pm — 4 Comments

Hooks

Sony Webbie on Easystar


I got my Sony Webbie! and with the wide lense.

It's installed in the nose of my easystar, I was a little nervous if it was too heavy for the star.

The test flight went ok, although the weather was bad.

Continue

Posted by Hooks on November 9, 2009 at 2:31am — 9 Comments

Chris Anderson

Tom Pycke's new autopilot: GluonPilot


The awesome Tom Pycke, who taught us tons in the early days, is now back with a new autopilot proje… Continue

Posted by Chris Anderson on November 8, 2009 at 11:24pm — 2 Comments

jasonshort

AP with Ground Station and 2-way comm


I wanted to post the code and exe of the Flash file for the Ground Station and my AP. If you want to try it, you need to do a few things first.

(If you try this, remove your throttle or disconnect your ESC from your motor!)
1 - Load the DefaultsWriter.pde onto the Ardupilot HW to get some dece… Continue

Posted by jasonshort on November 8, 2009 at 6:30pm — 7 Comments

Jordi Muñoz

ArduIMU+ V2 (Flat) now available for preorder..



The new and flat version is now available for pre-order for just $129, the estimated shi… Continue

Posted by Jordi Muñoz on November 8, 2009 at 5:00pm — 21 Comments

Gary Mortimer

Atto in Africa



Had a very pleasant afternoon picnicking and an Atto flight in the Kamberg, take off at 6500' on a hot day.

The flying wing goes a little quicker in the thin air!

Deep joy.

Posted by Gary Mortimer on November 8, 2009 at 10:26am — 5 Comments

Yves Gohy

Simulator Atmega328

hi, is there a simulator for the ATMEGA328?

Posted by Yves Gohy on November 8, 2009 at 8:26am — 3 Comments

isobot

I Can See My House From Up Here!




I Can See My House From Up Here!
The Northrop Grumman RQ-4 Global Hawk unmanned aerial vehicle (UAV) is quite an impressive piece of hardware. It can stay in the air for mor… Continue

Posted by isobot on November 8, 2009 at 12:00am — 18 Comments

Jordi Muñoz

Can somebody tell me the meaning of this picture?



The first two in guess it correctly, will receive a unit free of charge including UPS shipping. Limited to one international.

Posted by Jordi Muñoz on November 7, 2009 at 10:30pm — 32 Comments

Chris Anderson

For IMU geeks: a good guide to Euler Angles and quanternian math


From our friends at VectorNAV, a… Continue

Posted by Chris Anderson on November 7, 2009 at 7:10pm

Chris Anderson

DIY Drones live chat/podcast Sunday night at 9:00pm PST


Free video streaming by Ustream

Tomorrow night (Sunday) we'll do our regular podcast, which everyone here is welcome to participate in by listening to the chat live above and commenting and asking questions via the DIY Drones… Continue

Posted by Chris Anderson on November 7, 2009 at 6:56pm

Tim Trueman

Want to test code with the simulator X-Plane?

Here's an example of how to get data from the simulator: http://gist.github.com/228998

It has everything you need to treat it as a virtual IMU. This was instrumental in getting my extended Kalman filter running (to be open sourced soonish) and I hope you find it useful too!

(I'll do an updated version that shows you how to control the plane in X-Plane from your code.)

Continue

Posted by Tim Trueman on November 7, 2009 at 4:30pm — 6 Comments

Chris Anderson

New products in the DIY Drones store


A bunch of new products in the DIY Drones store:


  • Blimpduino board (shown) by i

Continue

Posted by Chris Anderson on November 7, 2009 at 4:03pm

Sun Jing

ArduIMU v2 Questions

I was wondering what kinda of extra instrumentation would be required to use the ArduIMU as the autopilot for an autonomous aerial vehicle. I was also interesed in the benefits of the IMU vs. the thermopile concerning takeoff and landing from water, and if the water would in some way confuse the standard Ardupilot because of the temperature of water vs. that of the ground.

Posted by Sun Jing on November 7, 2009 at 2:16pm — 1 Comment

Chris Anderson

Online servo database


Found on… Continue

Posted by Chris Anderson on November 7, 2009 at 7:00am — 2 Comments

Bryan Cuervo

The UAV DevBoard and latest firmware in action

Showing off Bill and Ben's excellent firmware in the UAV DevBoard----
The compete story is here.

Complete Waypoint Circuit from Bryan Cuervo on Vimeo.

Continue

Posted by Bryan Cuervo on November 7, 2009 at 2:44am — 10 Comments

Jack Crossfire

This week in aerospace



THE C328 LIVES

After 3 weeks of hacking, the C328 started producing decent results. Your main problem if you intend to control it from a computer on the ground, using Xbees, is getting the UART to work reliably. It needs a real clean signal & short cables to work at 115200. Initializing it still takes s… Continue

Posted by Jack Crossfire on November 6, 2009 at 10:00pm — 3 Comments

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UAV News elswhere

Masten Space Systems Awarded Top Lunar Lander Prize

The X Prize Foundation and NASA have awarded the top prizes in the Northrop Grumman Lunar Lander X Prize Challenge, which sought to create a privately funded lunar lander vehicle design. Masten Space Systems, led by David Masten, took the top $1 million prize and Armadillo Aerospace, led by id Software (Doom) founder John Carmack, took the $500,000 second prize. The award ceremony took place at the Rayburn House Office Builidng in Washington, D.C. on 5 Nov. Masten Space Systems completed the [More]

Navy Reorganizes Unmanned Systems Under Information Dominance Directorate

At a 2 Nov. symposium at the Brookings Institute in Washington, D.C., Adm. Gary Roughead announced the confirmation of Vice Adm. Jack Dorsett by the Senate as the director of the Information Dominance Corps, a new Naval organization set up to configure a new governance for U.S. Navy cyberwarfare. The new corps shifts personnel from more traditional information and intelligence areas, such as cryptologists, information technology officials, and information warfare and intelligence officers, as [More]

Korea's Tank Maker Moves into Unmanned Systems Arena

SEOUL - Hyundai-Rotem, Korea's sole manufacturer of tanks, is increasing its move into the unmanned systems marketplace with its firefighting robot, a small unmanned ground vehicle, ducted-fan unmanned aircraft and a walking robot similar to the DARPA-funded Big Dog. At the Seoul International Aerospace and Defense Exhibition (ADEX) here, the company is displaying several of its unmanned systems, including debuting the SUGV. That project started just six months ago, says Ji-Seok Lee, the senior [More]

Army UAS Rapid Integration and Acceptance Center Opens at Dugway Proving Ground

The U.S. Army Unmanned Aircraft Systems Project Office, headquartered at Redstone Arsenal, Ala., on 23 Sept. officially opened its Rapid Integration and Acceptance Center at Dugway Proving Ground, Utah, consolidating the testing of UAS payloads and technologies to allow for faster deployment to warfighters. Speaking during the opening ceremony, Brig. Gen. William T. Crosby, Program Executive Officer, Aviation, paralleled the new RIAC operation with the Pony Express operations that took place across [More]

AUVSI's Unmanned Systems North America 2009 Sets Attendance Record

Attendees showed up in record numbers for AUVSI's Unmanned Systems North America 2009 at the Walter E. Washington Convention Center in Washington, D.C. 10 to 14 Aug. More than 5,000 attendees from 30 countries came to the show to see 325 exhibitors and 112 speakers participate in panels, workshops and presentations. The conference kicked off on 10 Aug. at the Patuxent River Naval Air Station in St. Inigoes, Md., showcasing 15 air, ground and maritime demonstrations and 17 static displays. Two [More]
 

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