Stefan Gofferje
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  • Finland
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Stefan Gofferje's Groups

Stefan Gofferje's Discussions

Small DIYD logo for linking

Started Apr 15, 2014 0 Replies

Hi,I'm currently in the process of building up a website about EU UAV regulation and I would like to put a prominent graphical link to DIYD. Ist there a smaller / square version of some DIYD artwork…Continue

Anybody using HMC5983?

Started this discussion. Last reply by Alex Zarenin Mar 18, 2014. 1 Reply

Hi,anybody using an HMC5983 sensor or has experience with that? Compared with the 5883L it can output at higher rates and is temperature-compensated. I'm planning to build an external compass…Continue

Y3 / Y6 design rules?

Started Jul 14, 2013 0 Replies

Hi, I'm thinking of a big Y3 / Y6 project - big like in long arms and huge props to make use of EndOfDays'…Continue

Double arm beams - purpose / use?

Started Jul 14, 2013 0 Replies

Hi, while surfing around and looking at mcopter designs, I ran - among others - across the ATG X6 700 Hexa which has not one thick but two 12mm CF tubes per arm. Is this just a design gag or does…Continue

 

Stefan Gofferje's Page

About me

Latest Activity

Robert Kameny replied to Stefan Gofferje's discussion Multi-rotor endurance factors? in the group ArduCopter User Group
"Hi Just looking at this table.Please forgive me for being thick. Is there any mathematical formulae for calculating Thrust and Efficiency?"
Feb 9
Foxzilla replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Good read. Personally I will be moving to cellular based radios as soon as I have enough experience and time. When the first documented easy to use device to do exactly what's described in the article comes up, I hope that will highlight this…"
Feb 6
Jahanzeb Khan commented on Stefan Gofferje's blog post How to get your first Arduino-based ground station project on the road
"Sorry about the blooper. SO I was saying that I have no idea that weather I should use the complete code and include all the libraries. Plus can I access the values only on the serial port monitor? I am a beginner and any help would be appreciated."
Jan 15
Jahanzeb Khan commented on Stefan Gofferje's blog post How to get your first Arduino-based ground station project on the road
"Hi Stefan, I want to read the basic paramters from APM like imu, roll,pitch yaw etc. I want to get this data through an Arduino Uno. I have no idea ho"
Jan 15
Jahanzeb Khan commented on Stefan Gofferje's blog post How to get your first Arduino-based ground station project on the road
"Hi Stefan, I want to read the basic paramters from APM like imu, roll,pitch yaw etc. I want to get this data through an Arduino Uno. I have no idea ho"
Jan 15
Andre K. replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"how to hijack a drone over telemetry , and prevent it; http://madhacker.org/?p=13"
Jan 12
Rui Costa commented on Stefan Gofferje's blog post As-small-as-possible "follow-me"-box, "ArduBeacon"
"Any news about this?"
Oct 1, 2014
Andreas replied to Stefan Gofferje's discussion Multi-rotor endurance factors? in the group ArduCopter User Group
"air or water, ERGO, a fluid"
Sep 18, 2014
Peter Webster commented on Stefan Gofferje's blog post Arduino-based mode switch
"With Taranis you can use 6 momentary pushbutton switches rather than the cumbersome 6-position rotary switch. You need to program 12 logical switches, 6 special functions, and a global variable. The pushbuttons don't light up as they are…"
Sep 17, 2014
Jarco den Dekker commented on Stefan Gofferje's blog post Easy to use FrSky-library for Arduino
"Hi Stefan, I connected an arduino mega 2560 I have a FRSKY DFT module in my transmitter and a FRSKY D8R v2 receiver. I am trying to connect the DFT to the mega 2560. in between i have a max3232 TTL from…"
Aug 25, 2014
Stefan Gofferje commented on Timothy Clemans's blog post Drone seized by police at Los Angeles park
"You forgot UVS International which is a major player in backroom lobbying - at least in Europe - with the explicit goal to have UAS regulated 100% to full scale rules and standards, to make sure that all DIY and open source vanishes from the market…"
Aug 9, 2014
Stefan Gofferje commented on Timothy Clemans's blog post Drone seized by police at Los Angeles park
"What an idiot. The police officers were really friendly and respectful. Considering his behavior, I think, he got away pretty easily..."
Aug 8, 2014
Stefan Gofferje commented on BluSky1's blog post The FAA's Cease-And-Desist Orders to Drone Pilots Are Bogus, Appeals Court Rules
"Somebody should actually read this ruling! The judges did not make such a ruling! The petitioners complained against an FAA "decision" they received by emails and the judges dismissed that complaint because that email was no…"
Jul 19, 2014
Stefan Gofferje commented on Chris Anderson's blog post Private investigators using drones to catch cheating spouses
"Not necessarily. "Secret watching" (that's the expression translated) in Finland requires intent. So a pilot circling around your house because he wants to watch you commits a crime. A pilot flying around and looking for orientation…"
Jul 15, 2014
Stefan Gofferje commented on Chris Anderson's blog post Private investigators using drones to catch cheating spouses
"@BacklashRC: So you are saying, in the US you don't have any reasonable expectation of privacy on your private ground, even if that's fenced as long as you are not inside a building? Then I can understand why privacy advocates run circles…"
Jul 14, 2014
Stefan Gofferje commented on Chris Anderson's blog post Private investigators using drones to catch cheating spouses
"Well, that PI explicitly said, she used the drone because she couldn't see anything otherwise due to the property's layout..."
Jul 14, 2014

Profile Information

Please tell us a bit about your UAV interest
Hmmmmm... Have been interested in UAVs for a long time. Always loitering around websites like DIY Drones and others...

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Stefan Gofferje's Blog

Robot vs. Tiger

Posted on July 2, 2014 at 7:44am 4 Comments

I ran into this on Youtube and thought, I'd share it. For once, it's no flying thing for a change and second, I think, among all this politics and regulation stuff which recently dominates this site, it would be nice to see some really cool (and cute) usage of robots again.

Development of NDVI postprocessing plugin for frei0r / the MLT framework - video test footage needed!

Posted on June 19, 2014 at 2:00am 10 Comments

Brian Matherly, one of the developers of the MLT video processing framework started working on an NDVI postprocessing plugin which will make it very easy to create NDVI composite videos from infrablue or other IR/VIS footage.

There already is a working proof of concept at…

Continue

Video: IR video postprocessing

Posted on June 14, 2014 at 6:37pm 2 Comments

For a few dollars you can buy replacement lenses without IR cut filter for popular FPV cameras and also IR passthrough filters from eBay. Additionally, many digital cameras can be modified for IR recording by simply removing the IR cut filter from the sensor. As a result you get very pinkish footage.

I have written about the postprocessing of IR…

Continue

Flexible 3D-printing filament

Posted on May 16, 2014 at 8:36am 8 Comments

As there's surely a relation between the maker scene and the UAV scene, I thought that might be interesting.

Fenner Drives came out with pretty tough but flexible TEP filament for 3D-printing a couple of months ago. I can imagine a ton of applications for this stuff in UAVs, like anti-vibration mounts or protective shells for autopilots, cameras,…

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