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APM 2.5.4 where are differences documented ?

Started this discussion. Last reply by Joe Jul 1, 2013. 3 Replies

Received this APM 2.5.4 ordered in past week. Where are the differences between various versions of APM 2.5.x documented ? …Continue

 

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Joe commented on Hugues's blog post PIXHAWK powering critical attention points - Wiki complementary information
"You say that "power port ground is NOT (connected to) the ground of the main output ports on the Pixhawk board"Also, above your diagram you state that there is "Ground isolation between power port and PWM ports on…"
Jun 15, 2014
Joe replied to Randy's discussion AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)
" Bill Isenberger Do you have any evidence other than your story about what was found on your board by some unnamed person.Isn't that your second board ? Didn't you also damage your  first board?Kendall at UAVOBJECTS…"
Mar 7, 2014
Joe replied to Randy's discussion AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)
"Here is my explanation as to the root causehttp://www.rcgroups.com/forums/showpost.php?p=27707120&postcount=2652I proposed that fix a fair while ago and I was ridiculed."
Mar 6, 2014
Joe replied to Randy's discussion ArduCopter-3.1 released!
"I believe we can rule out vibrations"
Feb 14, 2014
Joe replied to Randy's discussion ArduCopter-3.1 released!
"Thanks Randy, will do some further testing when it stops raining."
Feb 14, 2014
Joe replied to Randy's discussion ArduCopter-3.1 released!
"Hi Reuben, I did not have anything heavy attached to the F1000-M8 as I was initially trying 3 different motor sets with various prop combinations. In hindsight I am now aware that I had the same issue when using 3.1.1 in loiter on an RCT800 Hex, a…"
Feb 13, 2014
Joe replied to Randy's discussion ArduCopter-3.1 released!
"Hi Randy, thanks for all the work you and the other developers have put into AC.I spent the last few days battling a pendulum like effect on an F1000-M8 Octa in Loiter on APM 2.5.2 with AC 3.1.1, had real bad pendulum effect and  if hit by a…"
Feb 13, 2014
Joe replied to Randy's discussion AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)
"Hi Randy, that is one of the two 4.7uF capacitors either C22 or C23, not sure which, on the output of the 3.3V regulator."
Jan 17, 2014
Joe replied to Randy's discussion AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)
"Why don't you do that and post your findings."
Jan 16, 2014
Joe replied to Randy's discussion AC3.1 & blown 3.3V regulator (was AC3.1-rc5 SPI speed problem)
"I have a proposed fix for the APM2.5.x 3.3V regulator issues herehttp://www.rcgroups.com/forums/showthread.php?t=2053670&page=100#post27214895Texas Instruments is the only manufacturer, we are all in the same boat with this issue."
Jan 16, 2014

Developer
Craig Elder replied to Joe's discussion Purchased in stock Pixhawk that magically turned into a Keyhole Sequin Mini Dress in Nude on Backorder
"Please contact help@3DRobotics.com to have this order resolved."
Dec 28, 2013
Joe replied to Randy's discussion ArduCopter-3.0.1 released!
"Hi Randy, thanks for all the hard work you and all the developers have put into the project.I just loaded rc8 on a hexa that I will test in the morning>I did strike an odd thing when performing Accel Calibration, when told to place on Left,…"
Dec 9, 2013
Joe replied to Randy's discussion ArduCopter-3.0.1 released!
"On this post on RCG, I show my settings to compile 31.rc4 to enable auto tune and attach the compiled hex for both Quad and Hexahttp://www.rcgroups.com/forums/showpost.php?p=26381507&postcount=13322"
Oct 16, 2013
Joe replied to Randy's discussion ArduCopter-3.0.1 released!
"Interesting question, go back over the recent posts, LOTS of people have tried it and found it working and posted lots of notes."
Oct 15, 2013
Joe replied to Randy's discussion ArduCopter-3.0.1 released!
"No I haven't performed those tests, I would suspect that YES there would be a difference.My initial Auto Tune tests were done starting with stock PIDs on which I had altered only Altitude Hold P and on some Loiter PID   I had to alter…"
Oct 15, 2013
Joe replied to Randy's discussion ArduCopter-3.0.1 released!
"HK Talon Hexa 1100KX CF 9x5 4s, no camera   HK HAL Hexa 1080KV CF 9x5 4s, I am not sure if it had a Camcorder installed. None of those are with a brushless gimbal, either a small Lunix or a 400 gram Panasonic HD Camcorder strapped under the…"
Oct 15, 2013

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