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building your own APM hardware with arduino mega2560

Started by shanthosh ravikumar. Last reply by Joe Bredestege Mar 22. 6 Replies

i am trying to build the hardware itself .... as of now i have a i2c based mpu9150 only... i'm planning on buying the other sensors soon and maybe make a sensor sheild !! i have tried uploading the…Continue

Handling servos in ArduCopter.cpp

Started by Bernabe Puente Moure Mar 4. 0 Replies

Hello everyone.I am a developer with many years of experience but a complete newbie in Ardupilot.I'm trying to modify the ArduCopte.cpp controller to add the servo handling functionality just as…Continue

quadcopter model dynamique identification

Started by telli khaled. Last reply by telli khaled Mar 2. 3 Replies

hello everybody I confused about quad-copter model identification , since the quad is unstable in open loop ,then how can I identify it since is unstable ??? but if I add a controllers in loop of…Continue

MAVLink Tutorial for Absolute Dummies (Part –I)

Started by Shyam Balasubramanian. Last reply by Shyam Balasubramanian Feb 27. 105 Replies

Hi All,I was recently fiddling around the code for a while and decided to create a tutorial out of it so that others may find it useful. If I would have known this knowledge long back, I am sure I…Continue

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Comment by Bradley J Carr on April 2, 2012 at 6:04am

Here is my  configuration with all my current pids.  This is the 3DR quad with 880 motors.  Feel free to let me know if I need to change anything.

untitled.JPG

Comment by Bradley J Carr on March 30, 2012 at 4:38pm
Yes. I am. But i need to post the
Pid settings. I am not sure i had those correct.

3D Robotics
Comment by Chris Anderson on March 30, 2012 at 4:12pm

Bradley: Are you using the 2.5.3 code? The Alt Hold issue was with 2.5 but should have been resolved with 2.5.3

Comment by Bradley J Carr on March 30, 2012 at 4:09pm

Well I have had the second voyage with my 3DR quad with the 880 motors,  everything worked great.  I still need to try the failsafe but that will come when I get some of the other things tweaked right. 

1.Alt_hold-  it would be about 20 feet in the air and would drop to the ground before it would recover.  Didnt' hit the ground very hard. 

2. Loiter- Same thing as the Alt Hold except the range of it holding at the GPS location it was moving around alot about 20 feet each way. 

It flew like a champ though.  Thank you to everybody that has helped.


Developer
Comment by Andreas M. Antonopoulos on March 29, 2012 at 7:28pm

First flight today! My home made quad with APM1

Altitude of almost TWO INCHES. I was able to remain in flight for almost FIVE seconds. It was amazing :-)

I need to fix a few things, mount the propellers better and tie down all lose ends.

Soon... flight #2 and pictures or video

Comment by Ramesh Tahlan on March 28, 2012 at 11:48pm

Chris,

many many thanks, till now i was sooooooo damn scared even of the MP, but u just removed all fears, my confidence just went up many notches.... 

cant thank u enough..


3D Robotics
Comment by Chris Anderson on March 28, 2012 at 11:44pm

Yes, just click the icon in the MP and go through the setup process on the Configuration tab. No need to ever use the CLI.

Comment by Ramesh Tahlan on March 28, 2012 at 11:42pm

Chris.

many thanks.... 

and Chris, one more doubt though Adam tried to clear for me, but if u could confirm, say i want to reload my APM2 with arudcopter codes, or if i have loaded AC2 and now i want to load codes for helicopter, is it good enough that on MP i just go over the whole process and it will take care of everything, or do i need to go to CLI to erase old codes or can i just erase old codes by the reset button on APM2. Cause i am really apprehensive about doing anything with CLI, i am not a very tech savvy guy and that too with software handling.... so for me MP is a more confident way to go. Can i just reload codes with MP without bothering about anything else....


3D Robotics
Comment by Chris Anderson on March 28, 2012 at 11:33pm

Ramesh: that's no longer used.  What version of the code are you using? I haven't seen that "ACM" prompt for a long time. 

Comment by Ramesh Tahlan on March 28, 2012 at 11:32pm

Adam, 

in the screen attached the last line says, "move the slide switch and reset to fly" is the slide sw only on APM1 or does APM2 also have it, have tried to look for it on my APM2, but dont seem to find it ????

 
 
 

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