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

Kur's Discussions

RTF ArduCopter for SALE

Started this discussion. Last reply by Kur Oct 16, 2012. 4 Replies

Hello there,I have an arducopter for sale. It has 12" Kinjal Carbon Fiber frame with APM1 ATmega2560. Flies great. I only have flown it three times. Everything is included. You just need to have 8"…Continue

Tags: sale, Cheap, QuadCopter, Sale, ArduCopter

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

Xbee Adapter with Adapter Board Only For $40

Started Sep 16, 2012 0 Replies

Hello there,I have Xbee Adapter with Adapter board for sale. I have never used it. You can see the actual picture of the Xbee below. I am asking $45 for both + Shipping (max shipping cost to US only…Continue

Tags: with, Board, XBee, Cheap, Adapter

USB ISP Programmer for ATMEL AVR for Sale $10

Started Sep 16, 2012 0 Replies

Hello there,I recently (9/6/2012) bought a USB ISP Programmer to flash my ESCs. Since now, i have flashed my ESCs and don't need it any more. I would like to sale it. I paid $16.95 on eBay. I will be…Continue

Tags: AVR, USBISP, Cheap, Sale, for

 

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 Kur's discussion RTF ArduCopter for SALE
"Message me if you are still interested. Thanks."
Oct 16, 2012
Ahmad Usman replied to Kur's discussion RTF ArduCopter for SALE
"KUR you misunderstood what I said. I said it has APM1 which is older version and now APM 2.5 is available. I didnt mean that USED APM1. I know who ever put his stuff here online is used. As a student I dont have much money so I can afford only 300$…"
Oct 15, 2012
Kur replied to Kur's discussion RTF ArduCopter for SALE
"Ahmad, Thank you for your interest. Its really not a USED APM1. If you are referring to the flight time on this APM then its totally brand new. I have less than 10mins on it. But you can throw your offer at me. I just have to say YES or NO.…"
Oct 15, 2012
Ahmad Usman replied to Kur's discussion RTF ArduCopter for SALE
"Hello I am interested in this unit. What will be your final sale price. It used APM 1 so the price is too high for this version of APM."
Oct 14, 2012
Kur replied to Todd Hill's discussion New Multicopter "Navigator Series" Motors
"PM Sent."
Oct 13, 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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