Harry
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  • Clarksburg, MD
  • United States
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Harry's Discussions

Artificial Horizon in processing 2.0

Started this discussion. Last reply by Harry Jan 14. 6 Replies

Using Quaternions

Started this discussion. Last reply by Harry Sep 30, 2013. 3 Replies

Arducopter 2.9.1b and MP 1.2.46

Started this discussion. Last reply by Harry May 17, 2013. 5 Replies

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Latest Activity

Harry commented on Chris Anderson's blog post Pocketcopter project on Indiegogo
"I'd be mining asteroids by now if somebody had paid me for every incomplete idea I ever had."
Sunday
Harry commented on Roberto Navoni's blog post The IMU drone in Connected Rider: telemetry system for Motocross by Red Bull
"@Roberto, do you see your system being useful to other riders in improving performance?"
Saturday
Harry commented on Roberto Navoni's blog post The IMU drone in Connected Rider: telemetry system for Motocross by Red Bull
"Interesting, as a way to master a particular course?  I suppose you could tell a rider something like, it's better to go off two whoopdees than three before that turn, or if youre on the outside, go for three.  They don't always…"
Friday
Harry commented on Chris Anderson's blog post Richard Branson invests in 3DR, drones invade Necker Island
"I think I spotted Sir Branson playing tennis.  Tell him that Harry says he foot faults.  If he wants to work on his game, I'd be glad to come on down and provide him some training."
Sep 6
Harry commented on Jorge Brites's blog post Refurbish a damaged 4S battery - Do not try this!
"Nannies gotta Nanny. How did we survive without them.    "
Aug 21
Harry commented on Andrew's blog post 3 Things I Wish I Had Known Before My First Drone Flight
"It's almost a fact that most people will try to hover in their backyard.  You learn immediately not to just slam full throttle.  You might break some props trying to learn to hover 4 feet off the ground with the rose bushes on one…"
Aug 11
Harry commented on CrashingDutchman's blog post Mini Talon FPV Plane
"It's too short coupled in my opinion.  If it flies that's what counts though and autopilots prove they can fly unstable stuff."
Aug 3
Harry commented on Roger Sollenberger's blog post 3DR Announces Acquisition of Sifteo: Cutting-Edge Electronics, Cutting-Edge Drones
"I played with making the ArduIMU make music.  I got something that resembled music but required post processing in an external program so wasn't truly interactive.  Too bad my interest in computer human physical world interaction came…"
Jul 29
Harry commented on Tom Ciesielka's blog post Nymbus 650 Kickstarter Project Endorsed by Gary Gress
"Thanks, yeah it's very stable in the videos.  I see that the motor arms are bent forward so if the command is tilt the motor forward it's actually tilting it at an angle inward and forward.  That must be how you get the…"
Jul 27
Harry commented on Tom Ciesielka's blog post Nymbus 650 Kickstarter Project Endorsed by Gary Gress
"I always liked that design.  I wonder though what is really special when I see code examples are out there.  "
Jul 26
Harry commented on Thomas J Coyle III's blog post First UAV Near Miss with Ag Aircraft Reported in Pacific Northwest
"Why are all these idiots, DJI buyers?  I'm not hoping for anybody to prove me wrong, but the high visibility incidents always involve that brand.  Are all these buyers(not flyers first)stoned or something? Go to BVMjets and read the…"
Jul 25
Harry commented on Chris Anderson's blog post Obama to issue drone privacy Executive Order
"Told ya the Commerce Dept.  If they acknowledge and yield to the right of an individual to make a buck with an aerial camera, then great they can stick around a little longer.  If all they want is more income, the people still reserve the…"
Jul 23
Harry commented on Chris Anderson's blog post Time: "Here's why so many drone pilots are getting in trouble" (they're not RC folks)
"There has never been a shortage of idiots, ever.  Look at the pile of laws and somehow the idiots always crawl out from under it.  The power mad elite keep making the pile higher and wider too and all it does is punish everyone else.…"
Jul 22
Harry commented on Chris Anderson's blog post Legendary Java creator James Gosling at "Friday Funday" 3DR open house
"That Liquid Robotics company is pretty cool.  It must be nice!"
Jul 22
Harry commented on Chris Anderson's blog post Greenpeace video imagines a future of robot bees, after the live ones are gone
"First it was killer bees radicalizing honey bees and then it was some pest causing colony collapse.  They say we're doomed but we aint dead yet.  Put a honey bee colony on every public building and maybe there will be enough survivors…"
Jul 7
Harry commented on Yury Matselenak's blog post Advanced hard and soft iron magnetometer calibration for dummies
"Thank you, Yuri.  It's working now.  I rotated it 90 degrees and ran the calibration again.  It's brilliant."
Jun 29

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This stuff is cool.

Harry's Blog

Flying my ArduIMU in tri_chord space

Posted on February 5, 2014 at 6:00pm 0 Comments

I haven't flown much of anything because of the weather, so I decided to see if I could do something different with my ArduIMU.  I decided that if I could get a MIDI port to read the IMU, I might be able to make music.

I used a VBscript to read the serial port and send pitch data from the ArduIMU to a slot.  I then used a MIDI program to record the…

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The Next Sensor was Invented by Vikings

Posted on March 11, 2013 at 4:00am 2 Comments

There have been discussions before calling for reliable and accurate alternatives to GPS. The Vikings may have had the answer without knowing the physics. They were adept navigators at latitudes where frequent cloudiness and low sun angle(winter) could have made direct observation of the sun difficult. Legend has it that they had a magic stone, called a…

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My Ardupilot(legacy) Platform

Posted on May 24, 2012 at 8:41am 8 Comments

Here's the plane I will install my Arduimu and Ardupilot(legacy) into.  I still need to build a motor mount and wind the motor.  It should be stable as it is based on a previous version which was very stable.  I'm aiming for 10-12 ounces AUW and around…

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Drone Delivery Challenge, is here

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