Harry
  • Male
  • Clarksburg, MD
  • United States
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Harry's Friends

  • Kyle Monroe
  • Martin Crown
  • Wallace Carvalho
  • Victor Sinatra II
  • Jean-Sébastien
  • Simon Atkinson
  • Charles lakins
  • Jeff Smith
  • UnmannedTechShop.co.uk
  • Jean-Louis Naudin
  • Anwar Ali Khan
  • Dr Mike Black
  • Greg Fletcher
  • Petr Hubacek
  • Brian

Harry's Discussions

I'm still playing with DCM

Started this discussion. Last reply by Harry Oct 4. 8 Replies

Artificial Horizon in processing 2.0

Started this discussion. Last reply by Harry Jan 14, 2014. 6 Replies

Using Quaternions

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

Harry's Groups

 

Harry's Page

Latest Activity

Harry commented on Simon D. Levy's blog post Hackflight Teensycopter
"I wouldn't say I have ADD but 6 days ago I took a look at Hackflight and instead of staying focused on getting some hardware and giving it a try, I got distracted by all the 32bit based projects out there.  Ive played with processing and…"
Oct 17
Harry commented on Simon D. Levy's blog post Hackflight Teensycopter
"Simon, thanks again.  I got it to compile after some trouble with understanding where everything needed to be.  It couldn't find the pidvals.h file, so I made one using the error messages.  I used 1's for the values which…"
Oct 11
Harry commented on Simon D. Levy's blog post Hackflight Teensycopter
"Thank You, Professor!!  That's the start I needed. "
Oct 10
Harry commented on Simon D. Levy's blog post Hackflight Teensycopter
"OK, professor, explain to me what I need to be able to compile Hackflight and load it onto a Teensy, si vous play? I'm a fan of your posts, but I have yet to plunge into 32bit because I don't know what tools I need.  Merci "
Oct 9
Harry commented on Julian's blog post 3DR's Rise and Fall
"Wow, so much drama.  Speaking of roots, I recently hacked a ground station that runs on android and does nothing more than receive heading, attitude, position and displays it.  I wouldn't have been able to do that…"
Oct 7
Harry replied to Harry's discussion I'm still playing with DCM
"The jumpiness is the least of my problems.  I/ve been testing without GPS because I was using an i2cNav board and it stopped working.  My FTDI cable had a broken wire and I couldn't upload anything with it.  I had to strip the…"
Oct 4
Harry replied to Harry's discussion I'm still playing with DCM
"I'm still playing around with this..  I have the DCM working like designed.  I have a few programs for viewing the orientation solution, including a crude android app but I'm not entirely happy with things.  I've run…"
Aug 25
Harry commented on Joe Renteria's blog post "Wing Board" using Pixhawk and GCS...
"GoofyFoot!!  Awesome, Dude!!  I don't think hang 10 is likely though, or it might pearl into the ground."
Jul 22
Harry commented on Yury Matselenak's blog post Advanced hard and soft iron magnetometer calibration for dummies
"I want to try that, but I'm still messing with my own app.  Here's a shot of 3DScatter which I modified to show the difference between Yuri's calibrated data and the raw data."
Jul 13
Harry commented on Yury Matselenak's blog post Advanced hard and soft iron magnetometer calibration for dummies
"Frank,  Have you made any progress on your program?  I'm also trying something myself.  I took the 3Dscatter processing sketch and made an android "app" that reads an HMC5883 over the USB.  It gives the…"
Apr 17
Harry commented on Yury Matselenak's blog post Advanced hard and soft iron magnetometer calibration for dummies
"Frank, I can't offer any help but hope you get the comport issue solved. That sounds frustrating.  Too bad Yuri seems silent in this topic anymore.  Me, I must be dumber than I was a few years ago since I had the same…"
Apr 4
Harry commented on Yury Matselenak's blog post Advanced hard and soft iron magnetometer calibration for dummies
"Yuri, Sir, I used your program a few years ago and was successful in calibrating.  I have a slightly different board this time and cant orient the sensor for anything.  When I test the results with the Arduino results sketch, all I get is…"
Mar 4
Harry left a comment for Kyle Monroe
"https://code.google.com/archive/p/ardupilotdev/downloads?page=4 The only link I can find is to Jean-Louis's code repository.  He's got all kinds of versions of the original.  look on the link for the version that flies his…"
Feb 5
Harry left a comment for Kyle Monroe
"I know the manual is gone.  I think you can still find the code.  I'll get you a link to 2.7.1 which was the last version."
Feb 5
Harry commented on Kevin Hester's group Andropilot Users Group
"This is what I did - I used processing in android mode and took the HUD widget file and pasted it into a processing sketch.  It compiles and loads it onto my android device but it is just a blank screen.  I tried commenting out what I…"
Nov 9, 2015
Harry commented on Pedals2Paddles's blog post Drone crashes outside White House, existing laws applied, owner cited.
"Yup, no need to make the pile of laws higher just so the pigs can say, See what I wrote and voted on to protect everyone from themselves."
Oct 9, 2015

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Harry's Blog

For Those Who Like Simple

Posted on March 15, 2015 at 10:57am 12 Comments

I bought a 3DR radio from Whitespy to add telemetry to my MultiWii and it works like it should.  Multiwii has a processing program called multiwiiconf that is used to make changes to the PID's and for selecting flight modes and reading and writing to EEPROM.  There is also a slick GUI that adds a few more…

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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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