Announcing: ArduCopter 2.7
In just a short while, ArduCopter 2.7 will become available for download in Mission Planner. As we worked on ArduCopter 2.6.1, we saw that it had several new and compelling features (as well as many bug fixes and improvement) so it was decided to make this a major version release.
A full list of changes is here, but they include:
New and Improved:
Bugfixes:
Notes:
Comment by Andrew Radford on July 24, 2012 at 2:19pm Yeah John write that blog. I've come accross this very question at least 3 times in the last few days. Lots of people want to do it. I think Tridge made a post a while back - but that might be out of date now.

Just gets better and better! Congrats go the development team!
Comment by Marooned on July 24, 2012 at 2:51pm 
Toy mode is still under development I believe.
Comment by quadrocopter on July 24, 2012 at 3:42pm Working well down under. Using a 50cm X quad frame, 924kv motors, 10inch props.
It seems smoother all round including descending.
Using apm2 and optical flow sensor. Xbee900 for telemetry.
Well done guys !!

Yes, Toy is still under development. It's flyable but I just realized it has a sign error that really limits performance. The idea is it's a simplified mode that flies from only the right stick. Yaw and roll are coupled.
Fix is this:
roll_rate = -(g.rc_2.control_in * (yaw_rate/100)) / 40;
Comment by Jonathan M on July 24, 2012 at 5:50pm 3-axis stabilization.. interesting. Any video results with this implemented?
Can anyone point to where in the code this camera mount stabilization is located? My brief search of the changes didn't find anything significant.
Pitch and roll camera stabilization stops working upon loading 2.7 firmware :( Its probably just one of the new settings I have been overlooking?
Comment by Vishal on July 24, 2012 at 6:17pm I just switched from 2.6 to 2.7 on my dev quadcopter. The copter is a custom built frame with 3530 1100kv motors and APM2. First impression is that attitude is very good with stock PID's.
Loiter is holding within 3 feet with stock settings in my backyard....and that is with 15mph wind (18mph gusts) today!
Altitude hold is not holding as well. It's probably just that I need to adjust my settings a bit.
Camera stabilization on pitch and roll is completely inactive. I checked in the settings and it looks to be set correctly.
Good job guys. Problem is I flashed to Arduplane (to run an experiment I got here) and it will not connect to MP 1.99, no heartbeats being sent from the APM. CLI on Arduplane works fine though.
Reflash to a quad and works fine so far. (but need Arduplane working...)
No more 1280 support :(
I guess it's time to start developing on the VBrain board I have here...
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