James masterman
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  • Australia
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James masterman's Discussions

Failsafe in Auto mode

Started this discussion. Last reply by Paul Thompson Jan 25, 2013. 9 Replies

When my plane is in Auto mode and flies out of range of my RC gear (at about 1.2km), the failsafe is triggered. I have set my receiver to deliver a signal around 920 when it loses the Tx. This…Continue

Changing UART0 on APM2.5

Started this discussion. Last reply by James masterman Aug 15, 2012. 4 Replies

Just got an APM 2.5, but unfortunately without the DF-13 to XBee connector that was supposed to come with all APM2.5's. While assembling the board, I noticed that the new DF-13 port is marked as…Continue

Lea-6 GPS causing pitch oscilation

Started this discussion. Last reply by James masterman Aug 15, 2012. 3 Replies

Hi, I am using the new 3DR Ublox GPS with the big antenna. It gets a lock very fast and appears to be doing the right thing. However, I am having a weird problem whereby the pitch of the plane…Continue

Tags: oscillation, pitch, ublox, GPS

Timer in firmware

Started this discussion. Last reply by Gábor Zoltán Jul 18, 2012. 6 Replies

For anyone interested, I've tweaked the OSD firmware to add a timer and a " time to battery empty" indicator.The timer is very simple and just starts counting when the speed is over 3m/s so you can…Continue

 

James masterman's Page

Latest Activity

James masterman commented on Mauricio's blog post Aeromapper 300 mapping drone –1.5 hr endurance with multisensor capabilities
"Great points Andrew. I sometimes wonder if companies are doing themselves a disservice by posting these UAV's on a hobbyist site, though. There is a fundamental difference between a commercial UAV and a hobby one that the detractors seem to…"
Nov 24
James masterman replied to Jim Calvert's discussion How to write messages from Pixhawk code to the outside world for debugging
"Hi Jim, This function is for sending text to ground control stations. I use it with the messages tab in mission planner (one of the the tabs under the artificial horizon). No console needed, but it only works when connected to mission…"
Nov 18
James masterman replied to Jim Calvert's discussion How to write messages from Pixhawk code to the outside world for debugging
"A quick and dirty way to get a debug message to the "Message" tab in mission planner is to use the function 'gcs_send_text_P''  like this. gcs_send_text_P(SEVERITY_HIGH, PSTR("Some message")); You'll…"
Nov 18
James masterman replied to Alex O.'s discussion Hardwiring APM 2.5 to Android Device
"Thanks for the link. If you have a Bluetooth board, that would probably be easier for what you want to do. I mainly use the usb Ftdi because I have another computer onboard my plane that uses the telemetry feed and this provides a very reliable…"
Nov 17
James masterman replied to Alex O.'s discussion Hardwiring APM 2.5 to Android Device
"Yes, it's a confusing issue, I don't know when that documentation was written. Like I said, I have not had any problems so far, plugging in USB while the APM is powered by the flight battery, but I would hate to see you break something!…"
Nov 17
James masterman replied to Alex O.'s discussion Hardwiring APM 2.5 to Android Device
"Alex, to be clear, you can connect directly to APM and PixHawk via USB (with OTG cable into your tablet). You will run across a couple of issues though: APM 2.6/2.6 are not supposed to be powered from both USB and power module at the same time.…"
Nov 16
James masterman commented on Andrew Tridgell's blog post CanberraUAV Outback Challenge 2014 Debrief
"Great write up Tridge. We were all hoping you would win. Many teams were using at least some of your code and most were using ArduPlane. We were all standing on the shoulders of giants in that regard. I look forward to what comes next from the OBC…"
Oct 4
James masterman commented on Peter Wlodarczyk's blog post Team Thunder's 2014 UAV Outback Challenge
"Well done guys, it was a pleasure to meet you at the event and I am glad you got to the bottle drop stage, especially after having to wait the whole week for your turn! It certainly was the year of the X8 at the outback challenge!"
Oct 2
James masterman commented on Stephen Gloor's blog post PerthUAV at the 2014 UAV Outback Challenge
"Hi Tridge, the code was very simple, just a queue of image files that were ftp'd to a server by a thread running on the camera. The server just checks a directory for new files to process, then we manually check the results thumbnails from an…"
Sep 25
James masterman commented on Stephen Gloor's blog post PerthUAV at the 2014 UAV Outback Challenge
"Thanks all. I'm glad I added the cloud upload to the imaging system, it was only a few weeks before the comp, too! Since we flew two teams (SFWA and VAMUdeS) have successfully identified Joe and dropped bottles to him, a great result. Still a…"
Sep 24
James masterman commented on Hai Tran's blog post Coptercam makes its aircraft available to the public for the first time
"Looks like a well thought out and professional platform, Hai. Fills a good niche between the cinestar and others, like you said.  @Simon, personal attacks are uncalled for and inappropriate. There's too much of that on these forums these…"
Aug 6
Flying Buddha replied to James masterman's discussion MinimOSD and PAL
"Here we go again (with a solution)...with different set up, same issue. I loose video or my overlay when I plug in my gimbal. Heres my set up: Primary Battery (6.0 4s) powers my power plant (Y6) and the minumOSD (5v side) via the APM 2.6 Secondary…"
Jul 28
James masterman replied to James masterman's discussion MinimOSD and PAL
"I agree it's a difficult issue to solve. Doesn't seem to be one particular solution that works for everyone. I'm not even sure the MAX chip is at the heart of it given how widely used it is.    "
Jul 24
Paulo Melo replied to James masterman's discussion MinimOSD and PAL
"Unfortunately not to everyone that blast from the past... i can still see recent posts regarding this issue, and mine is just another one one. Besides, in every single forum discussion about this, no one gives a solid answer. I believe i tried…"
Jul 23
James masterman replied to James masterman's discussion MinimOSD and PAL
"This is a blast from the past! For me the problem was software. The early versions of the standard minim osd software didn't set the board to PAL properly, but any of the minimosd-extra builds of the last few years fixed that problem. I also…"
Jul 23
Paulo Melo replied to James masterman's discussion MinimOSD and PAL
"Im using a regular ebay board fpv camera, sony 700tvl. Any suggestions? Im almost giving up..."
Jul 23

Profile Information

About Me:
Mining and software engineer. Perth australia
Please tell us a bit about your UAV interest
Hobby and to enter the outback challenge UAV comp in Australia.
Hometown:
Perth

James masterman's Blog

Mapping with Ardupilot

Posted on November 1, 2011 at 1:45am 57 Comments

I've been playing with ArduPlane for quite a while and have finally got to the point where I can make it do something useful. I've been inspired by others on this site to use it for aerial photography to make 3D maps and the like.

 

I have an ST Models Discovery as the airframe (awesome platform for Arduplane by the way) and have made my own camera mount out of plywood for the bottom. It has one servo for roll stabilisation using CHAN 8 on the autopilot to keep the camera…

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