Janne Mäntyharju
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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

Latest Activity

Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"I've also asked on the rcgroups hitec forum, but the trainer port solution is not possible :( Think it's time for a taranis tx. http://www.rcgroups.com/forums/showthread.php?t=1755755#post24977364  "
May 15
Janne Mäntyharju commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"@Bas Tjis: It's indeed possible to use trainer port for headtracker, since you can select which channels are overridden by student from trainer menu. It's also possible to hack for example slider switches and input headtracker position to…"
May 9
Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"Or maybe replace 2 switches with something that can be connected to a diy headtracker? On the sensor subject: I am interested in a vario, as Im gonna use the APM in a glider. Would it be possible to let the A9 beep based on the…"
May 9
Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"Would it be possible to feed 2 channels (for example 1 & 2) from the headtracking to the trainer port and add it to the other channels? I could set up my controls on channel 3-9."
May 9
Tommy Larsen commented on Janne Mäntyharju's blog post Routing APM communications to Internet
May 5
Tommy Larsen commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"Here it is. Just change the IP and port number to your needs :) Command is in one line of course. sudo -u pi vlc-wrapper -I dummy -vvv v4l2:///dev/video0 :v4l2-width=352 :v4l2-height=288 :v4l2-fps=10…"
May 4
Janne Mäntyharju commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"@Bas Tjis: The board size is now 35x40mm, but it could be reduced a bit easily. The board connects to APM like you would connect 3DR Radio or Xbee to it and it has a passthrough for telemetry transmitter. I don't use a headtracker myself, but I…"
May 4
Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"Another question: will you be able to modify the A9 to support head tracking? Many people are requesting it but it looks like HITEC is focussing on the new A9X, you would be a hero ;-)"
May 4
Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"Thanks for the offer. I will consider it once I have the APM. Do you have any pictures of how to connect it up and the size of the board?"
May 4
Janne Mäntyharju commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"@Bas Tjis: And with mere 25€, I can send you one ready made =)"
May 3
Bas Tijs commented on Janne Mäntyharju's blog post Showing APM telemetry data on Hitec Aurora’s screen (3rd edition)
"Cool, just ordered an APM, would also like to have something like this for my A9 :)"
May 3
Paul Mijoiu commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"Thanks Tommy, could you also please give my the VLC command line that you use? I've been playing with the Grabby device on my windows and for some reason the video quality seems lower than the cloned easy cap that I have."
May 3
Tommy Larsen commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"@Paul: 2013-02-09-wheezy-raspbian.img is the image to use. "
May 3
Paul Mijoiu commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"you can power it from an UBEC, no need for USB hub. you can strip an USB cable extender, cut the PLUS and GND wires and connect them to the UBEC while also keeping the GND connected to the RPI to have a common GND between all 3 devices (rpi,…"
May 3
Jerry commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"How are you guys adding power to the USB for the dongle? I would rather not have to haul a USB Hub air side. Maybe there are good connecting points for a castle 10amp BEC?"
May 3
Paul Mijoiu commented on Janne Mäntyharju's blog post Routing APM communications to Internet
"Thx Tommy, do I need to compile a particular driver for it or will it work with the standard drivers of Raspbian?"
May 3

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 =)
Tell us a bit about your UAV interest
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Hometown:
Jyväskylä

Janne Mäntyharju's Blog

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

Posted on February 28, 2013 at 11:51am 35 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:…

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Lesson learned about 3DR ESCs and cold weather

Posted on January 21, 2013 at 11:37am 32 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 to…

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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:…

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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…

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