Michael Pursifull's Blog (14)

Maps Made Easy

     If you have experience making maps from aerial photographs, you know it takes effort. 

When I stumbled upon another UAV-related kickstarter, Mapping with Drones, I backed them without giving it another thought. But it wasn’t…

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Added by Michael Pursifull on July 20, 2014 at 11:30am — 5 Comments

DIY Playground: A few build ideas from an ROV

This isn't a build log. And what's shown here wasn't built as a rover. It is a rover, sure, but it was built as a playground, a collection of dozens of separate experiments, trials, and ideas. I build this a few months ago, and I'm about to tear it apart and rebuild it based on the lessons I learned, but before I do that, I figured I'd share a bit. 

This was a…

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Added by Michael Pursifull on January 13, 2014 at 4:59pm — 10 Comments

Pixhawk Mass Model



I asked my girlfriend what she wants for the holidays. She smiled, saying she wants something sexy, colorful, that comes in a small box, something the perfect size and shape. Naturally, I fired up a 3D editor, warmed up my awesome PolyPrinter and made a …  3DR Pixhawk mass model!

My girl is very smart, and when she figured out what I was up to, she was curious about why I'd make a mass model for her. I admitted…

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Added by Michael Pursifull on December 11, 2013 at 3:00pm — 16 Comments

Research on New Generation of GPS Vulnerabilities Published



Slashdot is carrying a story about new research published by the good folks at Carnegie Mellon and Coherent Navigation detailing a series…

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Added by Michael Pursifull on December 9, 2012 at 9:30pm — 2 Comments

HiLStar17 Public Release

Nothing is ever perfect. Or even as right as we might like. But I've been holding out on you, my friends, focused as I was until lately on moderating, I haven't been taking the final steps to share my code, photos and images of my aircraft, and other files I've been working on, such as this X-Plane model of an ArduPlane based on the…

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Added by Michael Pursifull on July 9, 2012 at 1:36am — 22 Comments

ArduSat: An Unmanned Falling Vehicle on which you might run code

Think you have challenges getting that sonar, airspeed sensor, or magnetometer to produce clean data in the harsh environment on your Skywalker, with ESCs, RF fields, 65mph winds, and multi-G impacts? Well, the guys over at NanoSatisfi are looking for a new level of pain, and have a …

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Added by Michael Pursifull on June 16, 2012 at 6:00am — 8 Comments

New High Resolution Sonar Line from MaxBotix: HRLV

Our friends at MaxBotix have updated their offering of ultrasound sonar sensors by adding the new High Resolution LV line. The defining characteristic of this new line of sonars is the 1mm resolution. Yes. 1mm. Well, more correctly, "the HRLV-MaxSonar-EZ Sensors offer calibrated 1 mm accuracy of 0.1% at 1 meter," so at greater distances, the ranging might be off by a…

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Added by Michael Pursifull on June 14, 2012 at 9:30pm — 18 Comments

Hydrogen-Powered Phantom Eye Takes Flight

DIYDrones member and SUAS News author Gary Mortimer wrote an interesting …

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Added by Michael Pursifull on June 4, 2012 at 6:30pm — 25 Comments

Winged Robot Providing Theories about the Origin of Flight

Photo Credit: Kevin Peterson/UC Berkeley

 

Science Magazine published an article suggesting that a project motivated by the recent DARPA push for small, quiet UAVs may be providing support for theories about the origin of…

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Added by Michael Pursifull on October 19, 2011 at 9:04am — 1 Comment

Google's Robotic Cars

IEEE has published an interesting overview about Google's self-driving cars.

The advances in this field should be of interest to our ArduRover community. The article mentions that Nevada has updated its laws and has become the first…

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Added by Michael Pursifull on October 19, 2011 at 8:30am — 7 Comments

Personal Rapid Transit (PRT) at Heathrow Airport - Driverless Personal Transport

BBC has a nice little video news story about the new computer-controlled passenger transport pods at Heathrow. It includes some nice shots of the video monitoring, computer map, and of the pods in use, and also includes a brief history of this form of transport, and a sound bite by a hopeful business owner about deploying this in smaller cities. 

 …

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Added by Michael Pursifull on October 19, 2011 at 7:23am — 3 Comments

(Getting Past) Coming Down with Something

In what we can only hope are unrelated news stories, Wired Magazine is reporting a virus infestation of Reaper and Predator ground control systems, and sUAS News is reporting the crash of a Reaper…

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Added by Michael Pursifull on October 8, 2011 at 10:00am — 7 Comments

Build Quick Tip: 3DR Frame, Motor Mounting

With the Quad 3DR frame availability increasing, I wanted to take a moment to offer a "Build Quick Tip". Skip to the bottom of this post to get to the "quick" part of this tip.

 

The Backstory

 

The ArduCopter2 frame uses narrow aluminum arms, and so the design calls for motor mounts. The 3DR frame uses 20mm, 3/4"…

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Added by Michael Pursifull on September 26, 2011 at 5:09am — 10 Comments

LBNL research in Lithium Ion storage

 

Research published by the good doctors at LBNL (Lawrence Berkeley National Laboratory) in Advanced Materials into alternative anode materials for…

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Added by Michael Pursifull on September 26, 2011 at 12:01am — 6 Comments

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