Alpo Hassinen
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  • Finland

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  • Henri
  • JP
  • Michael Oborne

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Alpo Hassinen's Blog

Georeferencing pictures

Posted on December 17, 2011 at 9:32am 14 Comments

Here is my memo: How to save gps-coordinates to picture files with Geosetter program. The coordinates are saved to the picture exif-data, and these go with picture all the time. In exif there are already data from camera model, exposure time, lens focal length etc, now we add there gps coordinates.

For example here is picture info in Irfanview program. Coordinates and…


How I made a CHDK-launcher to Canon camera

Posted on September 9, 2011 at 10:50am 20 Comments


Here is my memo: How I make camera launcher from old servo electronics, usb-cable and diode.

Here are quite many steps, so I write this memo if I need to make system again... Programming took only few minutes, to build circuit took more time.

My camera is Canon PowerShot S90


  1. Buy max 4 Gb memory card to camera.
  2. Create…

TaigaCam and predefined flight plan

Posted on September 8, 2011 at 12:06pm 10 Comments

This is a special version for aerial photography. On the plane there is a stabilized camera.

Here is the camera stand. Guess what is the weight of it? ;-)

I have also made additional code to APM, so I don't need a computer to make…


Better log analyzer for APM

Posted on July 22, 2011 at 3:48am 12 Comments

I made a program that shows log data in visual way. I can see plane position, altitude, elevator, ailerons etc.

Here are some screenshots from program:

My plane made strange curves during flight. All curves are in the same places. After a very careful check I found an error in APM navigation code. It is now corrected in version 2.21 (In downloads section…


TaigaCam, ROBUST plane for aerial photography

Posted on May 19, 2011 at 9:00am 44 Comments

Don't do this at home with other planes!  ;-)

In the first episode motor, rudder and tail servos are not yet installed.

Plane is home made, there is no ready kit available.

- Wingspan 150 cm

- Length 120 cm

- Empty weight without batteries 1.3 kg

- Maximum load with batteries is about 1.2 kg

- Maximum takeoff weight is…


Comment Wall (3 comments)

At 9:01am on November 17, 2011, tshado said…

Hello Alpo,

I sent you a friend request a long time ago.... :(

I read about your plane TaigaCam and found it great with robustness and good possibility for FPV.

I would like to build a similar one for myself

Would you agree to help me?

Best regards,Jean-Claude

At 9:15am on November 17, 2011, tshado said…

Forgot to add that my first objective is to perform aerial photography

Then perhaps later FPV flying



At 1:11pm on March 28, 2012, JP said…

hi Alpo, thanks if you can send me your email address and a username.. I will get you setup

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