Janne Mäntyharju
  • Male
  • Jyväskylä
  • Finland

Janne Mäntyharju's Friends

  • ahmad
  • Jon von Weymarn
  • Robert McC
  • DougB

Janne Mäntyharju's Groups

Janne Mäntyharju's Discussions

Suggestions for making code contribution easier

Started this discussion. Last reply by Chris Anderson Sep 14, 2011. 3 Replies

First of all, thank you for the transition from svn to git repository. After steep learning curve, I've come to like git for the ability to have own hacks in own repository and ability to easily…Continue


Janne Mäntyharju's Page

Profile Information

About Me:
I've been flying r/c planes for a long time now, but I only just recently find the joy of FPV flying. I'm interested in electronics and embedded systems in general. I work as a software specialist in a company named Digia.

Long term plan is to learn to fly helis but I never seem to have enough time to master that =)
Please tell us a bit about your UAV interest

Janne Mäntyharju's Blog

Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)

Posted on February 28, 2013 at 11:51am 34 Comments

This is the third iteration of my Ardupilot Mega to Hitec telemetry adapter. Adapter no longer requires modifications to APM itself, but instead connects to telemetry port of APM and it has a pass through connector for telemetry transmitter. I made PCB this time using SMD parts for smaller size:…


Lesson learned about 3DR ESCs and cold weather

Posted on January 21, 2013 at 11:37am 29 Comments


Yesterday I took my new 3DR hexa outside for the first time. Weather was nice and sunny with brisk -7°c temperature. Even though everything worked well when testing, I immediately ran into problems outside. After connecting the battery all of the ESCs started beeping rapidly (two times per second) and refused to spin the motors. I took the hexa inside for a while…


Display mount for Hitec Aurora

Posted on December 21, 2012 at 1:32pm 7 Comments

I thought to share with you this display mount I designed for Hitec Aurora controller for FPV flying. The part is made from single piece of aluminum and it's very compact and stable.

More pictures and cad files can be found here:…


Showing APM telemetry data on Hitec Aurora’s screen (revisited)

Posted on May 10, 2012 at 9:45am 6 Comments

In my previous post I described how to show APM telemetry data on Hitec Auroras screen. The code has now been updated to support APM2 board, though APM1 is also supported. New firmware also adds support for GPS coordinates. Only thing still not supported…


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