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

  • Martin Crown
  • Wallace Carvalho
  • Victor Sinatra II
  • Jean-Sébastien
  • Charles lakins
  • Jeff Smith
  • UnmannedTechShop.co.uk
  • Jean-Louis Naudin
  • Anwar Ali Khan
  • Dr Mike Black
  • Greg Fletcher
  • Brian
  • wayne garris
  • Chris Anderson

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

 

Harry's Page

Latest Activity

Harry replied to Khalid Saeed's discussion FreeIMU, how to get gyro rates and accelerometer reading
"Good job!  I found this comment in the MPU60X0.cpp   [quote]  * FS_SEL | Full Scale Range   | LSB Sensitivity  * -------+--------------------+----------------…"
yesterday
Harry replied to Khalid Saeed's discussion FreeIMU, how to get gyro rates and accelerometer reading
"What happens if you divide the accel values by 4096?  Do they then look like +/- 2g values?"
yesterday
Harry replied to Khalid Saeed's discussion FreeIMU, how to get gyro rates and accelerometer reading
"Khalid, I loaded the FreeIMUraw.pde and took a look.  I'd say it depends on how FreeIMU sets up the sensors so I took a look in the library MPU60X0.cpp file and the header file.  FreeIMU.cpp is using the #define…"
yesterday
Harry commented on Chris Anderson's blog post FAA vs Search-and-Rescue drones
"What we need is more people like Trappy, willing to conduct their own particular operation for profit without waiting for big brother to give them the go ahead.  And when big brother gets angry that some of the sheep refuse to go in the…"
Sunday
Harry commented on Chris Anderson's blog post FAA vs Search-and-Rescue drones
"There's two lines at the polls, Democrat flavored koolaid or Republican flavored koolaid and they're both rancid.  I'll vote for anything that puts Government back in its Constitutional box where it can be monitored,…"
Friday
Harry commented on Stefan Gofferje's blog post A little progress with instruments
"That's a great project."
Apr 7
Harry replied to Harry's discussion Trying to adapt Jean-Louis' tricopter code to IMU V3
"Glad to hear it Jeff.  I know your projects are heavy duty. I put the props on and tried it and was disappointed again.  Something must be backwards because it kept trying to flip and finally broke something.  I'll try it…"
Apr 6
Jeff Smith replied to Harry's discussion Trying to adapt Jean-Louis' tricopter code to IMU V3
"Hey Harry, I'm still around :-) Haven't been playing much, but summer is on the way.... I'd love to see what you came up with. I've been eyeballing the new 32 bit flight controllers but still haven't found one in the 28mm…"
Apr 1
Harry replied to Harry's discussion Trying to adapt Jean-Louis' tricopter code to IMU V3
"Jeff, I hope youre out there.  I got this working on a $15.00 board running FreeIMU for attitude and Jean Louis' Ardimupter code.  It's running at 100Hz. "
Apr 1
Harry replied to Calvin's discussion ArduIMU v3 data debugging
"The crazy looking characters are probably binary if changing baud doesn't fix it.  Check your #defines in the sketch and make sure  #define output binary is set to 0.  If you have ArduIMU_Test, you can see the data coming through…"
Mar 31
Harry commented on X-Winder's blog post Another FAA Incident
"It'll be legal in the eyes of the FAA when they have taxed the DIY'er out and big corporations like Aeroviral Inc. can own the skies without disgrace for what they will charge. "
Mar 18
Harry commented on AKRCGUY's blog post DJI Phantom Flies Into Volcano
"Ahhhh, just another hot day at the steel mill.  ;-)"
Mar 12
Harry commented on Franklin Neo's blog post Some non-flight-critical accessories which I find useful
"JB Weld.   Sparingly of course. "
Mar 5
Harry commented on Mark Harrison's blog post Hexacopter seen in Sochi slopestyle coverage
"Jan gets the Gold Medal."
Mar 2
Harry commented on VGR-Systems's blog post Quaternion AHRS with uPilot32
"For a crash course, download FreeIMU and load it onto an ArduIMU.   I don't have an advanced math background, but even I was able to make use of FreeIMU and the formulas on this link.   This website has a bunch of…"
Feb 27
Harry replied to Martin Crown's discussion Find here working Arduino sketch for MPU-6000 / ArduIMU+ V3 using Digital Motion Processor (DMP)
" while ((mpuInterrupt == true) && (fifoCount < packetSize))"
Feb 15

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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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