Melih Karakelle
  • Canterbury, Kent
  • United Kingdom
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Melih Karakelle's Discussions

Autolanding with Ultrasonic Sensor?

Started this discussion. Last reply by Lucas Tan Sep 12, 2012. 11 Replies

Hi Everyone,I have a question for you. I'm designing auto landing system with ultrasonic sensor controlled elevator.It will take the control in last 3 meters for smooth touch to the ground.And…Continue

Tags: Ultrasonic, Autolanding

 

Melih Karakelle's Page

Latest Activity

Melih Karakelle commented on Ron Justin's blog post DroneThermal Analog MAV Group Buy
"Hi Gary,Please contact with me over our contact page,I will glad to help you.http://www.flytron.com/contact-usUK custom is fully automatic, they add %20 on it and send an invoice by post in 1-2 weeks. But there is no customs tax for…"
Nov 18, 2015
Gary Graf commented on Melih Karakelle's blog post DroneThermal Analog MAV Cameras, Almost Ready
"Can anyone tell me how to get in touch with Melih from Flytron? I have a Drone Thermal Camera that stopped working and need to send it in for repair. "
Nov 10, 2015
MarioSpeedwagon commented on Melih Karakelle's blog post DroneThermal Analog MAV Cameras, Almost Ready
"I have a Lepton 25 that just arrived, and the drone thermal board should be at the house tomorrow, both from group gets. Too bad I'm out of town until Saturday. We're supposed to have a live fire training next week, and I'm trying to…"
Aug 13, 2015

Developer
Grant Morphett commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Great flight.  Love the plane.  Very optimised. Thanks, Grant."
Jul 6, 2015
Melih Karakelle commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Thank you folks :) @Gary , I want to build a solar quadrocopter from scrap but the sun is only a newsletter name in UK :D@RC Tech, LoL, :)"
Jul 6, 2015
Quadzimodo commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Superb stuff Mehil!"
Jul 5, 2015

Distributor
RC Tech.se commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Melih and Vladimir, are you buying your shirts at the same store??"
Jul 4, 2015
Mark commented on Melih Karakelle's blog post TIR - Tactical Inspection Robot
"I'm looking for someone who can build something similar, to use the device to inspect on places with limited height, where and endoscope cannot arrive. Height of the TIR should be around 1,5 cm with minimum battery autonomy of few minutes."
Jul 4, 2015

Admin
Gary Mortimer commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Simple is best, love it. The multirotor crowd would be wetting their pants at that sort of endurance at such a low cost."
Jul 4, 2015
benbojangles commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Brill I have two of these laying around."
Jul 3, 2015
Melih Karakelle commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"2C = 60min / 2 = 30 minutes If you want to fly more than 30min, they are also valuable for you ;)"
Jul 3, 2015
Vladimir "Lazy" Khudyakov commented on Melih Karakelle's blog post 1 hours 43 minutes Flight with 2S NCR18650B Batteries
"Dear Melih. Nice news, you experience a really valuable. 2S - 7A 2S2P - 14A 2S3P - 21A .... But I need a minumum 3S and 30A on take off... "
Jul 3, 2015
Melih Karakelle posted a blog post

1 hours 43 minutes Flight with 2S NCR18650B Batteries

Hi Everyone Last weekend I've tested Panasonic NCR18650B batteries on my maiden PolyClub EPP airplane.  I was expecting ~40 minutes flight but I landed after 103 minutes 24 seconds! (1h43m24s) This batteries are definitely working! Only disadvantage of the batteries are low discharge rate. It is max. 2C. So, discharge current should be less than 7A for 3400mA NCR18650B You can find other photos…See More
Jul 3, 2015
Melih Karakelle commented on Lester Haines's blog post PRATCHETT stratospheric spaceplane test mission live tomorrow
"@Lester,Thank you for your answer :)I'm getting ready to release a hyper pressurized floating balloon project ~10gr payload. And yes, Ultimate Lithium is the only battery for this kind of applications.  Good luck and keep us updated"
Jun 12, 2015
Melih Karakelle commented on Lester Haines's blog post PRATCHETT stratospheric spaceplane test mission live tomorrow
"Good luck,Did you tested the servos into the home freezer? (~-35 degrees Celsius)All metal geared servos have oil/silicon based lubricators between gears and it can be freeze. May be you should clear the gears with alcohol before flight. did you?And…"
Jun 12, 2015
Melih Karakelle commented on Melih Karakelle's blog post FLIR Lepton vs Apple Facetime HD Camera
"Yes it is similar. Black plastic surfaces is better than metal because of better temperature balance (if you didn't touch before with warm hands.)Fortunately, Lepton lens is only 3mm diameter. So covering it a little bit easy. You can use any…"
Apr 15, 2015

Profile Information

About Me:
R&D Engineer
Please tell us a bit about your UAV interest
www.flytron.com
Hometown:
Turkey

Melih Karakelle's Blog

1 hours 43 minutes Flight with 2S NCR18650B Batteries

Posted on July 3, 2015 at 8:51am 8 Comments

Hi Everyone



Last weekend I've tested Panasonic NCR18650B batteries on my maiden PolyClub EPP airplane. 

I was expecting ~40 minutes flight but I landed after 103 minutes 24 seconds! (1h43m24s)



This batteries are definitely working!

Only disadvantage of the batteries are low discharge rate. It is max. 2C.

So, discharge current should be less than 7A…

Continue

FLIR Lepton vs Apple Facetime HD Camera

Posted on April 15, 2015 at 5:45am 4 Comments

Hi Everyone,

Yesterday, I shot this video with my MacBook Air and DroneThermal camera.



The results are promising. Thermal image resolution is only 80x60 pixel but sensitivity is not bad.



BTW, We designed an…

Continue

25° Thermal Camera Cores for Drones

Posted on March 25, 2015 at 12:32pm 11 Comments

Hi Everyone,

Good news for small drones, New FLIR Lepton 25° camera cores just arrived. 



If you have read this post before , I have tested our new camera design with 50° version of Lepton and…

Continue

DroneThermal Analog MAV Cameras, Almost Ready

Posted on March 16, 2015 at 5:30am 19 Comments

Hi Everyone,

I'm happy to present the final prototype of DroneThermal micro size analog (PAL/NTSC) thermal camera. 

The project started 3…

Continue

Comment Wall (6 comments)

At 3:48pm on January 4, 2010,
Moderator
Sgt Ric
said…
hello Melih,
My problem with Endurance-RC and their PCTx is that they didn't tell me the system would not work on my Futaba 6ex 2.4ghz radio, until AFTER I had bought it!

Are there some radios that your system will not work on?
At 10:46pm on January 4, 2010, Melih Karakelle said…
Hi,

I'm using 6ex too :) I'm selling DT-3K headtracker since 8 months, and this device using same method for sending head tracking signals. No problem with all futaba, hitec, etc. I have happy 100+ customer :)
At 6:40am on February 17, 2010,
Developer
Mark Colwell
said…
Melih, Can I use new 420 camera w 2.4ghz tx with OSD? is there video in/out pads?
And I would like to write code for USBtoPPM for Spectrum/JR head tracker.
At 8:01am on February 17, 2010, Melih Karakelle said…
Hi Mark,
Yes you can use it with OSD, camera have + - and video pads on bottomside.
Sorry about Compufly, offer finished now and i sent the products to winners. New products will on stocks in 1 week.
At 7:33pm on August 29, 2010, Ben said…
Hi Melih, I'm interested in getting a few units of USBtoPPM for Futaba. Wondering if you have C# code as example as I want to integrate it into my C# application.
At 2:15pm on February 21, 2013, emre ayvaz said…

Melih bey merhaba,

Forumu 1 haftadır takip ediyorum. Sizin epey bilgili olduğunuzu farkettim. Size birkaç sorum olacak. Benim trexc 700 bir helikopterim var. Bu helikopteri önceden belirlediğim bir profili uçurmak yada sinyal kesildiğinde en uygun yere indirmek gibi aklımda bir kaç proje var. Bu fikirlerden birinide tez olarak sunmayı düşünüyorum. Bunun için arduino gibi bir kart, sensörler ve gps modul gibi parçalara ihtiyacım var. Sonrasında da C ile biraz uğraşıp hazır kodlar üzerinde modifikasyonlar yapacağım gibi gözüküyor.

Size sorum ise bu kontrol kartın hangisi bana uygundur ve aparatları ile ilgili uygun diyata nereden alabilirim? Görüşmek üzere.

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