António Cabral
  • Male
  • Porto
  • Portugal
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Latest Activity

António Cabral replied to Crady von Pawlak's discussion Two-piece FPV wing? in the group ArduPlane User Group
"I agree with Marcin and Thomas. The Skywalker X8 is simply too big to be just hand launched. In my first trials and I almost got it ruined in the front and in the wing joints. A disaster.I decided to make a ramp catapult, but sincerelly, it's…"
Jul 27
António Cabral commented on moglos's blog post Anatomy of a 301 km Flight
"Congratulations.In the end, did the LiPos survived or got busted?"
Jul 25
António Cabral replied to amirhossein eshtiaghi's discussion APM 2.6 in the group ArduCopter User Group
"It powers the APM, that important. I guess you MUST read all this first before you proceeding with anything else. http://copter.ardupilot.com/wiki/introduction/ "
Jul 22
António Cabral replied to amirhossein eshtiaghi's discussion APM 2.6 in the group ArduCopter User Group
"most probably you need to complete all the other calibrations before arming.Compass calibration, radio calibration, etc... Without the apm calibrated, it'll throw errors before arming, preventing it to... arm. Connect yout apm to mission…"
Jul 22
António Cabral replied to amirhossein eshtiaghi's discussion APM 2.6 in the group ArduCopter User Group
"Don't say you have a question. Make the question!"
Jul 22
Adam Kroll replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"Here's a hack tutorial, which can be followed regardless of the camera and battery you have. http://www.diyphotography.net/how-to-make-a-dslr-battery-run-4-times-longer/ "
Jun 16
António Cabral replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"Thanks to Eli Cohen and Iskess I searched around and I've found the cleanest solution for this prblem in this video. Thank you guys!https://www.youtube.com/watch?v=4OXD3ENA_UA"
Jun 3
António Cabral replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"Oh my, I think this is exactly what I need! Never thought that "dummy" batteries actually existed, searched for it and there it is!Thanks a lot!"
Jun 3
iskess replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"I just bought a cheap dummy battery off ebay and a 7.2v regulator from Pololu. I stuck the little regulator inside the dummy battery and attached it the aircraft's battery pack."
Jun 2
António Cabral replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"Thank you very much! That is very interesting indeed! If I could quadruple the autonomy that would be serious talking!I just wonder why they make those awesome cameras with such weak batteries, and don't even have an expensive…"
Jun 2
Eli Cohen replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
Jun 2
Eli Cohen replied to António Cabral's discussion Sony Alpha6000 autonomy on mapping missions in the group ArduPlane User Group
"At first I thought you could buy an AC adapter for it and hack it to a battery, but it looks like it's a very pricey accessory. http://store.sony.com/ac-adaptor-zid27-ACPW20/cat-27-catid-All-Cameras-Alpha-DSLR-Accessories Found the info…"
Jun 2
António Cabral added a discussion to the group ArduPlane User Group
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Sony Alpha6000 autonomy on mapping missions

Hello folks! I'm using a Sony Alpha6000 on my plane for mapping missions and I find the autonomy of that camera batery very poor, making at best about 350 pictures per full batery.I've tried everything to extend that batery's life like turning On Plane mode, turning off viewing the shot pitcures, etc, but can't squeeze much more.This is such a great camera that is a pity that one can't take that many pictures without replacing the battery, so I was wondering if anyone here uses it and has some…See More
Jun 2
António Cabral replied to Jason Franciosa's discussion EKF PRED POS HORIZON ABS
"It worked! That nasty error disappeared. But still, I can't arm the plane and test the motors at home, where I don't have GPS signal. I used to do it without problems before. Is it a new feature of the most recent firmware? Thanks anyway…"
May 26
António Cabral replied to Jason Franciosa's discussion EKF PRED POS HORIZON ABS
"I'm also having this problem. It started to happen this error after I've updated Mission Planner today to 1.3.27 I have pixhawk installed on a plane and I have firmware version 3.3.0 I can't even arm the motor because this error seems…"
May 25

Admin
Thomas J Coyle III replied to António Cabral's discussion How to connect a plane's wings servos to Pixhawk without burning it?
"@Antonio, When in doubt read what the ArduPlane Wiki has to say Link Regards, TCIII AVD "
Apr 29

Profile Information

Please tell us a bit about your UAV interest
Photogrametry
Hometown:
Porto

António Cabral's Blog

PID: What's it for and how does it work?

Posted on March 27, 2013 at 9:00am 5 Comments

As my first blog post in diydrones I'd like to show, specially to other noobies what is the so much talked PID so much used in our Arducopters and Arduplanes.

This video has substitles also in english and russian but you have to select it to activate them.

It shows in a very dummy but effective way what PID is, and hope it makes things more clear for…

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