Kur
  • Bayport, NY
  • United States
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Kur's Groups

Kur's Discussions

Sonar ALT_Hold Issue

Started this discussion. Last reply by Kur Sep 18, 2012. 2 Replies

Hello there,Yesterday, i added a new senor onto my quad, MaxSonar MB1260 XL for better altitude…Continue

Tags: Problem, MB1260, QuadCopter, QuadroCopter, Sonar

Motors're Not Responding

Started this discussion. Last reply by Vernon Barry Aug 23, 2012. 4 Replies

Hello everyone.I just finished building my another ArduCopter using DJI F450 frame today. However, i came across an issue. My motors don't spin after i armed them. I already pre-troubleshot by…Continue

Tags: Issue, Motor, Arming, Spin, Dont

Quad Needs A Doctor

Started this discussion. Last reply by Carl Campbell Aug 3, 2012. 38 Replies

Hello there,I am excited to announced that i've build my first ArduCopter. But i am twice much upset to let you know that it needs a Doctor. :) LOL Successfully, i updated the APM2 with the…Continue

Tags: Throttle, Kur, MrAeroKey, 1/3, Forward

Error - "Firmware is to big for 1280. Please Upgrade!!"

Started this discussion. Last reply by Ellison Chan May 18, 2012. 5 Replies

Hello there,I need little guidance here. I am using the latest mission planner software. (Using…Continue

Tags: Planner, Mission, APM1, Keyur, error

 

Welcome, Keyur!

Latest Activity

MaxBotix Inc commented on Kur's blog post Sonar ALT_Hold Issue
"Hello! This is Tom Bonar from MaxBotix Inc. @Thor Larsen   1. Electrical noise & proper shielding and grounding. 2. If you don't fix the noise problems or they aren't sure how. swith to the MB1220 Hardware gain of…"
Feb 13, 2013
Hans Jakob Bosshard commented on Kur's blog post Sonar ALT_Hold Issue
"Hi Thor, In my case I could reduce quite a lot the sonar alt measurements noise / spikes with the BEC from this shop: http://store.jdrones.com/3Amp_5V_uBEC_Low_Noise_p/ubec3a01.htm and placing the sonar sensor (MB 1200) on my Storm Drone…"
Dec 10, 2012
Thor Larsen commented on Kur's blog post Sonar ALT_Hold Issue
"Funny about flying over grass... I have yet to fly my 3DR quad, but I have been tuning a good deal in my office (with carpeted floors).  When sitting on my desk, motors running or not (no propellers attached), the ALT readings seemed to be very…"
Dec 10, 2012
Hans Jakob Bosshard commented on Kur's blog post Sonar ALT_Hold Issue
"Hi Randy, on Sept. 23 you showed two sonar signal graphs (before and after shots). Did you have only noise and spikes when you alter the throttle? In my case I have only noise and spikes when altering the throttle value. Otherwise the sonar values…"
Nov 16, 2012
Hans Jakob Bosshard commented on Kur's blog post Sonar ALT_Hold Issue
"Hi Kure, did you resolve the problem in the meantime. I have the same problem with the APM 2 on a Storm Drone from www.helipal.com .  The best I can achieve with altitude PID tuning is a correct working of alt hold at low altitude for some…"
Nov 9, 2012
Bill Patterson commented on Kur's blog post Sonar ALT_Hold Issue
"Oh, I already had the capacitor soldered onto the sonar, so it's not in the pictures."
Oct 20, 2012
Bill Patterson commented on Kur's blog post Sonar ALT_Hold Issue
"How I made my cable: I cut up Audio/Video cables I had laying around the house until I found one that was shielded. I cut the ends off and stripped back the insulation.  Then I twisted all the shields together at one end, and I choose…"
Oct 20, 2012
Kur replied to Bill Patterson's discussion What sonar?
"Following.  ;)"
Oct 20, 2012
Bill Patterson commented on Kur's blog post Sonar ALT_Hold Issue
"AHA!!!!! Another flight, and I noticed something. As I flew over my driveway, the data got clean as whistle. Then when I flew over grass again, it went back to a mess of data spikes. Flying over cement doesn't give 100% clean data, but…"
Oct 20, 2012
Bill Patterson commented on Kur's blog post Sonar ALT_Hold Issue
"Another extreme measure at getting good sonar data. Built my upteenth cable, this time each wire is individually shielded and grounded at the apm side. I extended the sonar way out about 6 inches (10cm), it has the power supply RC filter…"
Oct 20, 2012
Kur commented on AKRCGUY's blog post GoPro 3 Has Arrived !
"What? Great. This is awesome. I was about to sen payment for use GoPro Hero2.:) Deal canceled.;) hehehe.. 12:01 Tick tick tick...."
Oct 16, 2012
Kur replied to Todd Hill's discussion New Multicopter "Navigator Series" Motors
"PM Sent."
Oct 13, 2012
Bill Patterson commented on Kur's blog post Sonar ALT_Hold Issue
"Another commonality between my Xcopter and Kur's is that we both have J1 installed.  Do you guys that have Sonar working, have J1 installed as well? Maybe running the APM2 on separate power may be the answer?"
Oct 13, 2012
Kur replied to Szabó József's discussion APM2 with optical flow sensor
Oct 6, 2012
Mike Boland commented on Kur's blog post Sonar ALT_Hold Issue
"Any point marked GND , but if you check out the MaxBotix web site they have a particular wiring diagram for the cable."
Oct 2, 2012
Ervine Lin commented on Kur's blog post Sonar ALT_Hold Issue
"Just to clarify, where exactly is earth on the APM2 board? Just any negative pin or is there a particular place to earth it?"
Oct 2, 2012

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Please tell us a bit about your UAV interest
Have built two QuadCopters and in process of building the ArduCopter.

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Kur's Blog

Sonar ALT_Hold Issue

Posted on September 18, 2012 at 8:00am 59 Comments

Hello there,

Yesterday, i added a new senor onto my quad, MaxSonar MB1260 XL for better altitude hold. Before attaching and re-uploading the ArduCopter 2.7.3 onto the APM 2. I erased and reset the…

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