"these little balls (like mini whiffle balls... for golf?) have been working well for me. They're light and don't snag in the grass.
"
Moderator
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Mark Harrison
- Male
- Oakland, CA
- United States
- Blog Posts (66)
- Discussions (71)
- Groups (4)
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Mark Harrison's Groups
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3D Printing Drone Parts
63 members
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Ritewing Zephyr and APM2
43 members
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DIYDrones - CNC Project
133 members
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Learning to program the …
311 members
Mark Harrison's Discussions
Preparing some feedback on the Texas Drone Proposal, feedback solicited!
Started this discussion. Last reply by Stephen R Mann Feb 13. 1 Reply 0 Likes
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 0 Likes
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
What are the free output ports?
Started May 30, 2012 0 Replies 0 Likes
My APM2 is hidden inside my quad, and I would like to expose the "armed" LED by running a lead from one of the open connectors to an external LED.I've got the code ready, but I'm not sure what port…Continue
Mark Harrison's Page
Latest Activity
ModeratorMark Harrison commented on Acorn's blog post My first DIY Quadrocopter - Part Two (The Hybridization)
ModeratorMark Harrison commented on Jared Reabow's blog post DroidPlanner for Android The best missionplanner alternative! Using Mavlink via cheap usb adapter (Follow me - PIDS - ACC calibration - FREE)
"- Can anybody recommend a (hopefully cheap!) android pad to run this on?
- Do I need any special thing besides the 3DR ground radio to connect this?"
3D RoboticsJustin Cunningham commented on Mark Harrison's blog post 3DRobotics, EastBay RC, Roswell Flight Test on Korean Drone News Segment
"sweet! i got a couple cameos in there! LOL "
ModeratorMark Harrison posted a blog post
3DRobotics, EastBay RC, Roswell Flight Test on Korean Drone News Segment
Here's a clip from the Korean Broadcasting System's "World Today" program on the state of civilian dronism in the USA. 3DRobotics, EastBay RC, and the Roswell Flight Crew make appearances. Protesters, law enforcement officers and lawyers weigh in with their opinions (bad, good, profitable, respectively).It may be informative if you know Korean.The clip is used by permission of KBS.…See More
ModeratorMark Harrison commented on Miguel Ángel's blog post VertiBOT
"Very nice! And thanks for making such good documentation and photos.
Here is the google translation to English:…"
ModeratorMark Harrison commented on Andreas's blog post RCTimer Brushless Gimbal and Controller
"@Hugues, that's a great point. They are about 98% of where they need to be, and that last 2% can be a show stopper for a lot of people. And it would be great if rctimer included the 1.25mm hex wrench, since the entire build would…"
ModeratorMark Harrison commented on Brian Christian's blog post Began building my first hex from scratch....
"Pretty! Looking forward to seeing the rest of it."
ModeratorMark Harrison commented on Andrew Tridgell's blog post Mounting an APM on a Bixler2 upside down using AHRS_ORIENTATION
"@James, is that for a Bixler 1 or Bixler 2? Or do they share the same canopy?"
ModeratorMark Harrison commented on Andreas's blog post Drone vs. Drone
"One day they'll be installing those picnic tables in the Smithsonian Air & Space!
Here's the only damage sustained. We were flying this for the Korean Broadcasting people, so changing the prop gave them some nice B-roll.
"
West commented on Mark Harrison's blog post APM2 ESC startup problem and workaround"My apm2.5 and dji f450 kit (30 amp opt ESCs) was making constant beeping before I tried usb boot up first and then plug in the lipo. Now, ESCs make a brief music sound and stop. However, I cannot get any motor spin by trying everything:…"
ModeratorMark Harrison commented on Thomas J Coyle III's blog post Equipping Teens with a Hands-On approach to Robots
"Nicely done, Frank... looking forward to seeing your future work!"
ModeratorMark Harrison commented on LFLoTiTo's blog post A simple solution for an old hazzard (prop start on setup)
"I do the same thing with a 5V power supply adapted to a servo connector. It's great not having to worry about (a) forgetting to unplug your battery and having it over-discharge and (b) having the unit spin up into your face!
"
ModeratorMark Harrison commented on Mark Harrison's blog post SF Drones Startup Meeting Notes
"Ben, checking with Eric now..."
Ben Discoe commented on Mark Harrison's blog post SF Drones Startup Meeting Notes"That "photos and notes" link doesn't seem to work: "Rotorpixel: We couldn't find what you are looking for.""
Adam Conway commented on Mark Harrison's blog post SF Drones Startup Meeting Notes"Signed up! Thank you Mark!"
Profile Information
- About Me:
- - working as software engineer, experienced programmer
- living in piedmont, ca
- moderate embedded programming and arduino coding experience
- email: mh@pixar.com feel free to drop me a line!
- Tell us a bit about your UAV interest
- - interested in meeting east bay ardupilots
- started in RC places in Summer 2010
- blogging at http://eastbay-rc.com
- currently working on the Arcticopter project.
goal: multicopter AP platform for high-end DLSR, remote photoshoots
details: http://eastbay-rc.blogspot.com/search/label/arcticopter
- Hometown:
- Piedmont, CA
Mark Harrison's Blog
3DRobotics, EastBay RC, Roswell Flight Test on Korean Drone News Segment
Posted on May 15, 2013 at 4:30pm 1 Comment 3 Likes
Here's a clip from the Korean Broadcasting System's "World Today" program on the state of civilian dronism in the USA. 3DRobotics, EastBay RC, and the Roswell Flight Crew make appearances. Protesters, law enforcement officers and lawyers weigh in with their opinions (bad, good, profitable, respectively).
It may be informative if you know…
ContinueSF Drones Startup Meeting Notes
Posted on April 12, 2013 at 10:00pm 5 Comments 2 Likes
Eric Cheng has some nice photos and notes of the first SF Drones meeting. The theme was FPV. Robert Seidel gave a presentation on what he's been doing with real time video stabilization and object tracking,…
The Mainstreaming continues...
Posted on April 8, 2013 at 5:40pm 19 Comments 1 Like
Some MAVLink Protocol Notes
Posted on April 8, 2013 at 3:00pm 9 Comments 3 Likes
Here's some notes on fiddling with MAVLink. Andreas and I started at the bottom of the stack (the byte stream) and are working our way up. Along the way I filled in a few possible holes in the documentation.…
ContinueComment 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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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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