"Ok now loiter is working more or less, it is a little aggressive but it holds the position. So I tested RTL, and that works to. BUT when it gets back to it's launch position it circles for 5 sec or so, then FALLS OUT OF THE SKY!!!! Tried it…"
geir's Discussions
help Debuging the Arducopter???
Started this discussion. Last reply by geir Aug 19, 2012. 27 Replies 0 Likes
I haven’t had time to fly for a while so I’ve forgot some of the details about this problem. But I would really like to “debug” my copter today. So what I’m looking for is some advice on how to do…Continue
FPV camera for arducopter
Started this discussion. Last reply by geir Oct 14, 2011. 2 Replies 0 Likes
I’m looking for a new FPV camera for my arducopter. I bought one of the cheap ones from hobbyking (sony something), which is absolute crape for FPV. A little bit of sunlight and I can’t see any thing…Continue
Magnetometer issue fixed??
Started this discussion. Last reply by geir Sep 1, 2011. 4 Replies 0 Likes
What happend to this issue has it been fixed yet? I’ve had a lot of trouble with my mag. so I’m hoping I don’t have to replace it. …Continue
simple mode forgets bearing
Started this discussion. Last reply by Sebastian Gralla Aug 11, 2011. 13 Replies 0 Likes
I've had a lot of truble with my copter. But now i've got simple mode working (more or less). It works fine when I'm flying back and fourth facing the same direction, even for a long time. But if i…Continue
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Latest Activity
Maxime Carrier commented on geir's blog post Autonomous robotic plane flies indoors at MIT"Lidar are expensive so Kinect remain good alternative. It has IR projector and IR Camera allowing to make good depth estimation."
Rui Manuel Cravo Marques commented on geir's blog post Autonomous robotic plane flies indoors at MIT"Fantastic project !!! Sure the laser scanner costs a small fortune, and it's not easy to find funds to a project like this :D but nevertheless the job done, the sensor data integration and combination is a fantastic piece of…"
geir posted a blog postAutonomous robotic plane flies indoors at MIT
Just awesome state estimation, using particle filter and kalman filter. To bad the laser scanner is $5000See More
geir replied to geir's discussion help Debuging the Arducopter???"Still getting bus errors but the performance is much better. Not getting closer to this mystery"
geir replied to geir's discussion help Debuging the Arducopter???"I went back to v2.3 of the firmware and now suddenly alt-hold is working with baro :) Still struggling with loiter tough."
geir replied to geir's discussion help Debuging the Arducopter???"Just did the test, no errors while running of battery (BEC) power. AKA no luck :("
geir replied to geir's discussion help Debuging the Arducopter???"Just realized that the last test was done on USB power, maybe I'm on to something. I will try with battery(BEC) power tomorrow"
geir replied to geir's discussion help Debuging the Arducopter???"Ok now i tried running the test found in the library folder, you can see the output in the shared folder.
Baro:
No erros with the logic analyzer
Mag:
Still no errors with the logic analyzer"
geir replied to geir's discussion help Debuging the Arducopter???"Ok forget the (while motors are running), looks like I can get errors any time. But as of now it looks like they might be coming from the baro. I guess this will be a pain to replace. Any one got experience with this type of problem?? Or toughs on…"
geir replied to geir's discussion help Debuging the Arducopter???"Ok getting pretty sure about it being a I2C bus problem. I get errors on the bus when i test it with the motors running. Not sure what the cause is yet, but at least it's progress.
If you want to see the output it's under the link…"
geir replied to geir's discussion help Debuging the Arducopter???"OK so since the baro and compass is acting up it's pretty clear that this must be something on the I2C bus (I think). So I hooked up a logical analyzer, to see what was going on. If you want to see the result visit the link under. Have not had…"
Jerry Normandin replied to geir's discussion help Debuging the Arducopter???"Do you have an oscilloscope or a multimeter ? The sonar has an analog voltage output.
I'd remove the sonar from the quad, power it up .. measure the voltage between gnd and the analog output pin from the sonar. move your…"
geir replied to geir's discussion help Debuging the Arducopter???"Hi again
Finally had some time to work on my copter, and it got even more confusing.
As you guys suggested I resoldered all the connections for the sonar, still same problem.
I also replaced the magnetometer with a new one and…"
Jerry Normandin replied to geir's discussion help Debuging the Arducopter???"Sorry, I was out with the wife.. I didn't get a chance to respond. Check to be sure there are no shorts on your APM anywhere. update the flash, reboot and try one more time with the sonar disconnected.
Also I know this is a…"
geir replied to geir's discussion help Debuging the Arducopter???"Nothing? I was hoping this discovery would make it easier to find the problem, I’m going flying tomorrow and will try to fix it then"
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Geir's Blog
Autonomous robotic plane flies indoors at MIT
Posted on August 16, 2012 at 12:22pm 2 Comments 2 Likes
Just awesome state estimation, using particle filter and kalman filter. To bad the laser scanner is $5000
454 mhz chumbyhackerboard
Posted on March 5, 2011 at 7:30am 12 Comments 1 Like
Just stumbled upon this amazing board. Would be really interesting to use it for a quad project. What do you guys think??
…
Continue copterLoader - firmware uploader
Posted on December 30, 2010 at 1:30am 24 Comments 0 Likes
This program downloads precompiled firmware for the arducopter and automatically uploads it to APM. No need to install arduino, libraries etc.
Hopefully this program will make it easier for those of you who fly the arducopter, but don’t have an interest in…
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