"Here is a very smooth example of raw data of the x,y and zAccel to shoot for. Accomplished by balancing props, motors and two layers of moongel 1/2 inch square under each corner of AMP housing
"
Latest Activity
Giuseppe D'Angelo commented on Marco Robustini's group ArduCopter Italian Group"Per chi ha rilevato la salita/discesa in Loiter, sarebbe utile conoscere quale GPS avete e quale versione di firmware sull'APM.
Dico questo perchè io ho il GPS uBlox, firmware 2.9.1, APM ancorata con bulloni al frame, ed in Loiter/Alt…"
Kaleb replied to Bot Thoughts's discussion Magnetometer Soft- and Hard-Iron Calibration"Hello Göran,
As far as I know, my solution for ordering the radii is unique and I would prefer not to share it. I will tell you that is surprisingly simple (it requires no new equations, only an understanding of what you are already…"
AdminThomas J Coyle III commented on Hooks's blog post APM 2.5 from hobbyking
"Hi All,
According to the Open Source requirements, I belive that HK is not allowed to advertise this clone as a true "ArduPilot Mega" which is a trademark of 3DR.
Regards,
TCIII Admin"
AdminThomas J Coyle III replied to Iman Sadeghzadeh's discussion Hobby King Ardupilot in the group ArduPlane User Group
"Hi All,
According to the Open Source requirements, I belive that HK is not allowed to advertise this clone as a true "ArduPilot Mega" which is a trademark of 3DR.
Regards,
TCIII Admin"
Paul Feely commented on Gisela & Joe Noci's blog post Video and Datalink Antenna for airborne and ground tracking systems"Great thanks for the insight - less is more!"
Nic Chapleau replied to Jeffrey Lamont Brown's discussion APM 2.5 (2.9.1) Gimbal Servo twitch on Ch10 + 11 (50hz), not working on ch 7 + ch 8 (490 hz)"From what I see it's looks OK. Make sure your Pan & Tilt servos are Digital and that they can handle 490 hz. Otherwise you'll have to use the Analog outputs."
ModeratorHooks posted a blog post
APM 2.5 from hobbyking
Hmmm Now hobbyking is selling:ArduPilot Mega V2.5 Flight Controller USB/GYRO/ACC/MAG/BARO 72 USD for the hobbyking APM 2.5 board …See More
John Moore replied to John Moore's discussion John's Crawler Drone Build Thread in the group ArduRover User Group"The other thing I noticed is that according to Mission Planner, my rover is always point to the 10 o'clock of the actual position my rover is actually pointing.
John"
John Moore replied to John Moore's discussion John's Crawler Drone Build Thread in the group ArduRover User Group"So I have had no luck with GPS accuracy. An I am seeing as much as a 40 yrd deviation. Went to a friends house an turned on the power an Mission Planner showed my home/launch site as down at the end of the street. Meanwhile, I…"
Michael Pollard replied to Michael Pollard's discussion Arduimu V3- dumb question- RS232?"Thanks
we came to the same solution!
should have one tomorrow...."
Andreas commented on John Wiseman's blog post DroneDeploy: browser-based drone control & fleet management"I for one would like an app to manage my fleet of interstellar spaceships!
This is a tiny bit ahead of reality. No commercial use yet and we are also not at point and click operations of drones. I believe that part will take years to…"
James Overington replied to Frank Thingelstad's discussion Alt_hold and loiter acting crazy"Hi Frank, here is an example of zAccel within acceptable limits:
Note the scale on the left and how the majority of the readings are within 8-12m/s²
"
Daniel M. posted a discussionesc:telemetry via apm 2.5
Hello this is my first post,I want to log/display the telemetry from my esc's (for example Herkules3) via apm2.5 and bundle it with the telemetry from the apm. Is this possible? Is there any literature you can advise?The Herkules 3 especialy supports this scenario with the MK Flight Ctrl.Herkules3 supported Protocols: * Grauppner Hott * Jeti Duplex * Futaba M-Link * serial default protocolMe, I want use the Graupner Mx 16.How do you display/log the telemetry of your esc's?See More
Andy replied to Richard's discussion Using Flying wings for aerial mapping"I have read about the software solutions everyone is using on here to orthorectify and georeference their images. There is a free solution that is available called Optiks. Another low cost option is to get a home license for ArcGIS for $100/year.…"
Drone Savant replied to Randy's discussion AC 2.9.1 vs 2.8.1 GPS accuracy"=] Thanks for giving me a smile today Craig! Alas Ning is still pretty bad. I can't catch em all with this horrible threading style.
"but that is why they spec it at 2Hz" - Exactly... and I think the point David was trying to…"
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Forum
Alt_hold and loiter acting crazy
Started by Frank Thingelstad in ArduCopter 2.x (multicopter). Last reply by Andrew Sommer 10 minutes ago. 10 Replies 0 Likes
Magnetometer Soft- and Hard-Iron Calibration
Started by Bot Thoughts in Sensors & IMUs. Last reply by Kaleb 11 minutes ago. 14 Replies 0 Likes
APM 2.5 (2.9.1) Gimbal Servo twitch on Ch10 + 11 (50hz), not working on ch 7 + ch 8 (490 hz)
Started by Jeffrey Lamont Brown in Aerial photography. Last reply by Nic Chapleau 19 minutes ago. 17 Replies 0 Likes
Arduimu V3- dumb question- RS232?
Started by Michael Pollard in ArduIMU. Last reply by Michael Pollard 27 minutes ago. 3 Replies 0 Likes
esc:telemetry via apm 2.5
Started by Daniel M. in ArduCopter 2.x (multicopter) 40 minutes ago. 0 Replies 0 Likes
Using Flying wings for aerial mapping
Started by Richard in Aircraft platforms. Last reply by Andy 44 minutes ago. 196 Replies 3 Likes
AC 2.9.1 vs 2.8.1 GPS accuracy
Started by Randy in ArduCopter 2.x (multicopter). Last reply by Drone Savant 45 minutes ago. 299 Replies 4 Likes
First time build and not sure why one motor won't spin
Started by Alex Snyder in ArduCopter 2.x (multicopter) 1 hour ago. 0 Replies 0 Likes
APM Copter 2.9.1.b has been released
Started by Craig Elder in ArduCopter 2.x (multicopter). Last reply by ULI SURATOS 1 hour ago. 754 Replies 9 Likes
Bigger sized drone project
Started by Marc in My Project. Last reply by Marc 2 hours ago. 1 Reply 0 Likes
Joystick interface Improvement?
Started by Jamie Glover in APM Mission Planner 2 hours ago. 0 Replies 0 Likes
Drones in Idaho
Started by Joe Breznai in Regulation 2 hours ago. 0 Replies 0 Likes
Hexacopter Thermal FPV Research Project
Started by Andrew Boos in Video. Last reply by Guy Compton 3 hours ago. 11 Replies 0 Likes
Initial Tri Setup - No Yaw servo response
Started by Geoffrey Budd in ArduCopter 2.x (multicopter). Last reply by novrizal herdananto 3 hours ago. 9 Replies 0 Likes
Mission Planner drops connection
Started by Martin in APM Mission Planner. Last reply by thomas Butler 4 hours ago. 2 Replies 0 Likes
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Welcome to DIY Drones!
This is the home for everything about amateur Unmanned Aerial Vehicles (UAVs). Use the tabs and drop-down menus above to navigate the site. (About us/Site rules)
This community created the Arduino-based ArduPilot, the world's first universal autopilot (planes, multicopters of all sorts and ground rovers). The APM 2.5 autopilot hardware runs a variety of powerful free UAV software systems, including:
- ArduPlane, a pro-level UAV system for planes of all types.
- ArduCopter, a fully-autonomous multicopter and heli UAV system.
I'm new to all this--where do I start? Are amateur UAVs legal? (yes)
Examples of civilian uses of drones Glossary of confusing terms
Blog Posts
Thirty Days (#15): Maker Faire Bay Area 2013
Posted by Joshua Ott on May 21, 2013 at 1:00pm 0 Comments 4 Likes
The Ardupilot controlled transducer boat part 2
Posted by Burkhard rieck on May 21, 2013 at 12:00pm 1 Comment 2 Likes
As I already mentioned on the first page, mygoal was to construct a boat that could drive for at least 4 hours without charging while I could catch some fish :-). To reach that goal, my boat should weigh around 4 kg and the capacity of the batteries should be quite high. After a lot of searching in the internet, I…
The Ardupilot controlled transducer boat part 1
Posted by Burkhard rieck on May 21, 2013 at 12:00pm 1 Comment 2 Likes
In this blog I would like to share my experiences with my new project, an autonomous transducer boat, controlled by an Ardupilot.
After a long time of reading blogs, searching parts online and planning, I started my project. My plans are to…
ContinueAPM 2.5 from hobbyking
Posted by Hooks on May 21, 2013 at 11:33am 1 Comment 0 Likes
Hmmm Now hobbyking is selling:
ArduPilot Mega V2.5 Flight Controller USB/GYRO/ACC/MAG/BARO
72 USD for the hobbyking APM 2.5…
Continue
"Super Capacitor" to charge phones in 30 seconds
Posted by Sentinel on May 21, 2013 at 8:58am 0 Comments 0 Likes
Solid-state capacitor uses nano engineering for greater energy storage density and lasts for 10,000 cycles.
Big names interested, as it appears they should be?…
Continue Video and Datalink Antenna for airborne and ground tracking systems
Posted by Gisela & Joe Noci on May 21, 2013 at 8:52am 5 Comments 8 Likes
Some developments on 2.4GHz video link and 868MHz datalink antenna systems:
Measuring the 2.4GHz Antenna SWR
The Ground Tracking Antenna…
ContinueNew micro-cameras emulate insects' compound eyes
Posted by Chris Anderson on May 20, 2013 at 10:30pm 6 Comments 9 Likes
ROS, APM and the Kinect
Posted by David Gitz on May 20, 2013 at 10:00pm 3 Comments 4 Likes
For a University Robotics class I completed a project that integrates ROS (Fuerte), an APM and a Kinect Sensor.
For some reason all the text that I had written was lost when I posted this. I didn't really say anything besides what I didn't already say here: …
Continue
How to program Expo on the Throttle channel for Open9x
Posted by Bill Bonney on May 20, 2013 at 9:00pm 3 Comments 1 Like
A member the other day asked how to program expo on the throttle channel to help with hover in stabilize mode. So I made this short video on how to do it.
How to Improve Throttle Response by adding Expo to your RC Transmitter Control from Bill Bonney on Vimeo.
or…
Continue
DIY Drones News - Weekly #1 - Venturing Forward
Posted by Joshua Johnson on May 20, 2013 at 6:00pm 3 Comments 3 Likes
Venturing Forward: The Sky’s Not the Limit for UAV Enthusiasts
By: Kevin Solar of DIYDrones.com (DIY Drones News Journalist)
We live in a uniquely dynamic age influenced heavily by technological advances surging in every direction. It’s a time…
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Contests
Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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UAV news from sUAS News
OSU Students Design Storm-Penetrating Drones
STILLWATER, Oklahoma - Engineering students at Oklahoma State University have designed storm-penetrating unmanned aircraft. School officials say the drones are designed to fly into thunderstorms, including the super cells that spawn tornadoes and obtain meteorological data vital for weather forecasting. “Oklahoma, along with many regions in the U.S., has to deal with severe weather year-round, but the often violent thunderstorms witnessed in the springtime are particularly worrisome,” said Jamey Jacob, a mechanical and aerospace engineering professor who supervised the project. “Better prediction methods can save lives, but this also requires more data about how storms form.” The aircraft were designed by students in the school’s MAE department. The drones will collect information about weather systems that can be used for both immediate forecasts of the storm’s path and strength and for predictive models. Three teams of students, the Barnstormers, the Flying Honey Badgers and the Stormtroopers designed an aircraft with corresponding onboard sensors, ground control, launch and recovery systems that could be deployed from a catapult or unimproved surface, such as a dirt road. The drones are controlled by a pilot on the ground and relay data back to a ground crew. Bookmark It Hide Sites
Prince William Panel Talks Use of Unmanned Drone Aircraft
By CONNIE MOSER For Potomac Local News LAKE RIDGE, Va. – A recent Prince William Committee of 100 meeting on Wednesday addressed the topic of small, unmanned aircraft. You may refer to them as drones, but according to a one member on a panel of experts, moderated by Ben Wolfgang, from the Washington Times that term; “drone” is equivalent to a four letter word. Carl Schaefer, Director, Small Unmanned Aircraft System Products, Aurora Flight Sciences Corp., Manassas, VA prefers the acronym; “UAS”. Most residents who at expressed concerns regarding privacy when the FAA declared UAS (Unmanned Aircraft Systems) are ready for prime time. The Federal Government is not running rampant, without oversight regarding UAS, as there are many watchdogs ensuring that no one tramples the Fourth Amendment to the Constitution, according to those who spoke at the meeting. Ben Cline, R-Lexington, a sixth term representative to the Virginia House of Delegates, is one of those watchdogs. Cline is concerned the government not overstep the boundaries set forth in the Constitution. Cline showed a healthy skepticism when an audience member asked, “Why should we trust the government?” Delegate Cline’s response was, “You shouldn’t!” Additional concerns about privacy were addressed by Amie Stepanovich, Director, Domestic Surveillance [...]
Ar.Drone 2.0 joins the Royal Air Force
Parrot is supporting the RAF Rally Championship for 2013 with a Parrot AR.Drone 2.0 Quadcopter. As serving members of the Royal Air Force the team know a thing or two about aviation, aircraft and drones and they think the Parrot AR.Drone 2.0 Quadcopter is a magnificent flying machine and perfect for capturing the unique action from the RAF Rally Championship. This started recently when the RAF Rally Team has its pre-season training camp in Rorbacksnas, Sweden. They spent 5 days driving rally cars at full speed around a purposely designed ice stage — the Parrot AR.Drone 2.0 was used in the sub-zero conditions to capture unique footage from angles that other cameras just don’t allow. Bookmark It Hide Sites
QuadH2o
The QuadH2o is a new design in Quadcopter, offering professionals the ability to safely capture aerial and video photography whilst flying over water with peace of mind knowing that the system is safe in the event of a flyaway or power failure. It’s lightweight, streamlined hull enables 10+ minute flight times and great maneuverability, whilst its water resistant, strong and well thought out design delivers a professional ‘over water’ quadcopter suitable for FPV flight and capturing Video/Photography. http://www.quadh2o.com/ Bookmark It Hide Sites
Drones & Agriculture: Unmanned Aircraft May Revolutionize Farming, Experts Say
By: Tia Ghose, LiveScience Staff Writer SAN MATEO, Calif. — The word “drone” tends to conjure up images of planes that kill terrorists or of creepy surveillance tools. But tiny drone airplanes made of foam may be more useful in rural environments, one researcher says. There, the fliers could revolutionize agriculture, reducing the need for pesticides and improving crop production. Because drones can fly cheaply at a low altitude, they can get highly detailed images of cropland, said Chris Anderson, the CEO of 3D Robotics and former editor-in-chief of Wired, here on Saturday (May 18) at this year’s Maker Faire Bay Area, a two-day celebration of DIY science, technology and engineering. Drone-captured close-ups of fields could help farmers tailor their pesticide treatment and identify subtle differences in soil productivity. http://www.huffingtonpost.com/2013/05/20/drones-agriculture-unmanned-aircraft-farming_n_3308164.html Bookmark It Hide Sites
UAV news from Flight Global
Maritime Heron UAV supports European airspace trial
Europe has advanced a project to prove the feasibility of using satellite communications to enable UAS operations in non-segregated airspace ...Brazilian navy begins UAS evaluation
The Brazilian navy has begun to evaluate two Israeli-made unmanned air systems for maritime surveillance missions ...Indian air force to launch micro UAS evaluation
The Indian air force is to evaluate several micro unmanned air systems from around 10 companies in early May ...VIDEO: Eurocopter demonstrates unmanned EC145
Eurocopter has unveiled an optionally piloted vehicle (OPV), based on its EC145 light twin, which has been in development since September 2011.Israeli F-16 downs another Hezbollah UAV
An Israeli air force Lockheed Martin F-16 has shot down an unmanned air vehicle launched from Lebanon by Hezbollah militants ...
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