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Mark Harrison
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  • Oakland, CA
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Mark Harrison's Friends

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  • Phenox Lab
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Mark Harrison's Groups

Mark Harrison's Discussions

Odd rise/descend behavior in loiter, alt hold modes

Started this discussion. Last reply by Jason R Jun 14, 2014. 3 Replies

The first time I fly, position holding is perfect in all axes.Subsequently (after I put it to another mode and return it to loiter [?]), the altitude does not hold.  When the stick is centered, it…Continue

Preparing some feedback on the Texas Drone Proposal, feedback solicited!

Started this discussion. Last reply by Grant Goldsmith Jul 15, 2013. 2 Replies

I've started an analysis and write-up of the legislation here:…Continue

APM2: Rx bus not working?

Started this discussion. Last reply by Winston Lowe Nov 6, 2012. 1 Reply

I'm moving my APM2 from fixed wing to quad.  Downloaded and configured new firmware, everything seems good.  Planner can connect, artificial horizon works, etc.Plugged in Rx, and had this problem:-…Continue

attopilot current sense + XT60 connectors?

Started this discussion. Last reply by Andrew Tridgell Apr 24, 2012. 2 Replies

Is it feasible to directly attach XT60's to this unit, similar to how they attach Deans connectors?If so, how does the curved surface of the XT60 mate?AttoPilot Voltage and Current Sense Breakout -…Continue

Tags: attopilot

 

Mark Harrison's Page

Latest Activity


Moderator
Mark Harrison commented on Chris Anderson's blog post Anyone remember UNAV?
"It's an interesting thing about patents and innovation. Sometimes they spur innovation by forcing everybody else to think of something new. Wright brothers patent wing-warping, everyone else goes ailerons.  Better! "compress"…"
Apr 9
Veikko Vierola commented on Mark Harrison's blog post APM2 ESC startup problem and workaround
"Ref: Chris Anderson: "We've seen this issue with a small number of ESCs (different brands have different firmware, and handle startup sequences differently). We're working on a startup PWM sequence that may handle these outliers…"
Jan 31
Kuson commented on Mark Harrison's blog post Turnigy 9XR Pro Transmitter Released
"HK Turnigy 9xr Pro ---> ** on sale for 50USD now on CyberSale**!!! For those who already have  DJT module and receivers, like me, it is very tempting to have this one as a secondary Tx (I already have a Taranis, 220USD including X8R RX).…"
Nov 26, 2015
Jean-Luc Fornier commented on Mark Harrison's blog post Hexacopter seen in Sochi slopestyle coverage
"yes, it was very cool somedays, up to 13°C, many people were only wearing T-shirts in open sun... getting up to the spot at 5:30 in the morning was a different story indeed ;-) We had a great time a t Sochi, it was very stressful and intense but…"
Nov 3, 2015

Admin
Gary Mortimer commented on Mark Harrison's blog post Book Review: Aerial Photography and Videography Using Drones
"I wonder why he choose to leave DJI."
Nov 2, 2015
Darrell Burkey commented on Mark Harrison's blog post Book Review: Aerial Photography and Videography Using Drones
"I'm looking forward to reading this book. He seems to be a very talented photographer. If you haven't seen his underwater photography it's quite stunning. "
Nov 1, 2015

Moderator
Mark Harrison posted a blog post

Book Review: Aerial Photography and Videography Using Drones

Probably everyone who hangs around diydrones is familiar with Eric Cheng, who has done as much as anyone to pioneer drone photography as a modern day art form.He's written a book about it, and EastBay RC has reviewed it here:…See More
Oct 31, 2015
Kristaps Brass commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"In UgCS we are working on developing support for DJI Inspire and DJI Phantom 3 to support mission planning on a desktop environment. This already works for DJI Phantom 2 Vision +. This is currently in beta. If you are interested in testing this,…"
Sep 9, 2015
Craig Issod commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"I'd suggest that 95% of pilots who actually take some time with a Phantom 3 will be quickly relieved of their notions of the units being either overpriced or underpowered. It's not an opinion to say that nothing in the 1K (complete) price…"
Sep 8, 2015
HeliStorm commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"I understand the reasoning, and it is an interesting feature...the multipoint cable cam. I can see the benefit of the feature for videographers. Fly the route once, then repeat while focusing on getting the perfect shot. That said, I wonder if DJI…"
Sep 8, 2015
Marc Dornan commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"With so many of these little white Phantoms out there my feeling is DJI is offering as much automation as they think their average users could safely use without creating more bad news stories, and I think that makes sense. Can you imagine what may…"
Sep 8, 2015

Developer
John Arne Birkeland commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"Yes, it is also my understanding that their take on 'waypoints' is more like a multi point version of cable cam. I guess the reasoning is that if you can only fly waypoints to positions where you have already flown manually, then it is…"
Sep 8, 2015
HeliStorm commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"So, the Waypoints is almost like the cable cam feature in APM. That's a shame. I like the automation function, completely hands-off, for some tasks. I guess it keeps the pilot in the loop more this way."
Sep 7, 2015
John Dennings commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"Some welcome new functionality, as DJI is opening up its SDK. Competition is raising the bar ... The term "Waypoints"  is used in a different  context  than the traditional one familiar to APM or Pixhawk flyers…"
Sep 7, 2015
HeliStorm commented on Mark Harrison's blog post "Intelligent Navigation" Upgrade for DJI Phantom and Inspire
"I will be interested to know. I have to admit, I have had no love for DJI until recently. The new Phantom 3 Standard seems like a heck of a good deal, in all honesty, and finally has me second guessing my opinion of DJI as the Apple of the UAS…"
Sep 7, 2015

Moderator
Mark Harrison posted a blog post

"Intelligent Navigation" Upgrade for DJI Phantom and Inspire

With the tagline "Design Cinematic Shots like a Pro", DJI has released a firmware upgrade with several new features that push them further along in the autonomous flight area.WaypointsPoint-of-InterestFollow Me (Phantom 3 only)Home LockCourse LockSome of these features will of course be familiar to long-time diy-droners... it will be interesting to see DJI's…See More
Sep 7, 2015

Profile Information

About Me:
- working as software engineer, experienced programmer
- living in piedmont, ca
- moderate embedded programming and arduino coding experience
- email: marhar@gmail.com feel free to drop me a line!
Please tell us a bit about your UAV interest
- started in RC planes in Summer 2010
- blogging at http://eastbay-rc.com
Hometown:
Piedmont, CA

Mark Harrison's Photos

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Mark Harrison's Blog

Book Review: Aerial Photography and Videography Using Drones

Posted on October 31, 2015 at 11:15pm 2 Comments

Probably everyone who hangs around diydrones is familiar with Eric Cheng, who has done as much as anyone to pioneer drone photography as a modern day art form.

He's written a book about it, and EastBay RC has reviewed it here:…

Continue

"Intelligent Navigation" Upgrade for DJI Phantom and Inspire

Posted on September 7, 2015 at 8:15am 8 Comments

With the tagline "Design Cinematic Shots like a Pro", DJI has released a firmware upgrade with several new features that push them further along in the autonomous flight area.

  • Waypoints
  • Point-of-Interest

    Follow Me (Phantom 3 only)
  • Home Lock
  • Course Lock

Some of these features will of course…

Continue

Lending Club Testing Loan Drones for Faster Cash Disbursement

Posted on April 1, 2015 at 8:20am 7 Comments

Stealing a march on Amazon, Lending Club is testing cash delivery via drone.

"The Loan Drone would provide two things that borrowers love: speed and cold hard cash. While getting a transfer into your bank account is nice, getting a wad of $100 bills delivered to your doorstep in less than 60 minutes is very…

Continue

A Rather Enchanting Combination of Puppetry and Quadcoptery

Posted on February 28, 2015 at 2:28pm 0 Comments

I don't know any more than what 777BlueAngel notes on his Youtube page:

Showtime Nandlstadt 2015 - Harry Potter
Not only the kids loved Dietmar Metz's radio controlled Harry Potter.

Comment Wall (2 comments)

At 3:30pm on April 7, 2011, Anil Kumar. M said…
I've checked all the below and are correct.

- is the software configured for X and not + copter?
- is your "front" orientation correct on your board?
- is your board mounted right side up?
- do you have the CW and CCW props attached to the correct motors?

I've checked the manual from kkmulticopter and http://rcexplorer.se/page14/kkguide/kkguide/quad.html
At 6:53pm on July 15, 2012, Daniel Bard said…

Hey Mark, my name is Dan and I'm really new to R/C. I have some questions about the FS-TH9x remote.

First-  if i buy this remote can i use it on fix wing aircraft also?

second would you recommend it for some one like me?

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