James masterman
  • Male
  • Perth
  • Australia
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James masterman's Groups

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 Hai Tran's blog post Cloud Raven GCS for 3DR Solo and Pixhawk
"Sorry about the delay, it's taking longer than the original post suggested to finish development of the app for two reasons, one is that adding the final features is taking longer than expected, but there are also some business related…"
Feb 23
James masterman replied to Hugues's discussion What is the status of 3DR radios?
"Interesting point, I had assumed they had approval as they are from a reputable manufacturer making a quality product. I'm in Australia (as are rfdesigns) so they would need different approvals here. I just had a look at my RFD900s, and they…"
Feb 2
James masterman replied to Hugues's discussion What is the status of 3DR radios?
"A high quality alternative is http://store.rfdesign.com.au/rfd-900p-modem/ These may be overkill as they are ultra long range, but use the same firmware and are fully compatible with the 3DR radios. Now that 3DR have stopped making 3DR radios,…"
Jan 31
James masterman commented on Reuben's blog post Why are some ESC's only rated to 3s or 4s Lipos ?
"I meant Reuben, but good to hear your experiences, too :-). I'll have to give the DYS models a go. QC is terrible on most ESCs so it's something I deliberately look for now. Try pulling the heatshrink off the bullet connectors on a random…"
Jan 31
James masterman replied to Beatriz Palmeiro's discussion About Ground Control Station User Experience
"Good comments so far. I agree with Bill Bonney further back that most GCSs are too monolithic. Most of the time you need tuning when setting up a new drone, but after that good mission control and setup is more important. Log analysis may be a third…"
Jan 31
James masterman commented on Reuben's blog post Why are some ESC's only rated to 3s or 4s Lipos ?
"Have you had much experience with these? I've had one 30A afro catch fire while on the ground (running off a 3s, throttle in neutral) and two others produce stuttering at high throttle settings. The stuttering turned out to be due to poor…"
Jan 31
James masterman commented on Andy Jensen's blog post Last-sell for many legacy 3DR product
"You are doing an admirable job of explaining the reasoning behind 3DRs new path, Chris. Many other companies would not have taken the time. Running a business (especially one that is profitable) is really hard and I suspect many people do not have…"
Jan 31
James masterman commented on Laser Developer's blog post The SF11/C laser altimeter - awesome performance for $249
"Wow, you continue to outdo yourself, Laser Developer. Anyone know if there are any import restrictions bringing these into Australia? I'm guessing not if Tridge has one."
Jan 30
James masterman commented on Andrew Tridgell's blog post APM:Plane 3.5.0 released
"Nicely done! Another feature packed release."
Jan 30
James masterman replied to Rob_Lefebvre's discussion Notification: My Community Support Ending
"Sad to see you go, Rob. I always thought you were a very balanced voice on these forums. I know what you mean about the moonlighting thing, I'm going through the same now and it takes a heavy toll on life and family."
Jan 30
James masterman commented on Chris Anderson's blog post New Solo software add multipoint cablecam, improved FollowMe, safe flight zones with Airmap.io
"Great work, I'm really loving the Solo platform. "
Jan 7
James masterman commented on Chris Anderson's blog post New Parrot drone -- a plane!
"Nice looking plane! Parrot have an open sdk for beebop, hopefully it makes it to this plane at some point. Shame about the fixed camera angle, makes it hard to use for survey work, but maybe they want you to buy an ebee for that!"
Jan 5
James masterman commented on Daniel Cironi's blog post Instructions for Using the Event 38 Reverse Throttle Feature on ArduPlane
"@naish I've also experienced the same issues with flare. As Daniel said, the plane is moving so fast vertically that the system can't keep up. For precision landings you want the flare to be as late as possible, otherwise the plane will…"
Dec 18, 2015
James masterman commented on Daniel Cironi's blog post Instructions for Using the Event 38 Reverse Throttle Feature on ArduPlane
"Awesome work, glad you have this working. I've also been working on reverse thrust via a companion board. I sent Tom Pittenger a little code and info, hopefully it was of use, I never heard back. As far as ESCs go, I found many that support…"
Dec 18, 2015
James masterman commented on Hai Tran's blog post Cloud Raven GCS for 3DR Solo and Pixhawk
"Thanks Waladi, The app shows the estimated photo coverage based on the known camera parameters (focal length, sensor size) and the location of the image trigger. The images are not being sent in real time. Geotagging is done on the ground after the…"
Dec 16, 2015
James masterman commented on earthpatrol's blog post Autonomous Flight at 39 Grams, No Registration Required
"Wow, that is incredible. What sort of flight times does it manage? Can it handle any wind? I'm assuming it's for outdoor use given the GPS."
Dec 15, 2015

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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