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

Tony D commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"This is why I avoid cloud based home automation, etc...  I'm a huge proponent of open source, and this is just one reason.  But I do get that there are people that don't have the skill set or time to fiddle with that and the…"
Apr 11
Chris commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"In the early days we used a centralized model (mainframes and dumb terminals) then we switched to distributed model and now back to a hybrid where we run smart terminals but the heavy lifting is centralized.  I would not be surprised if in 5 to…"
Apr 10
Paul Bealing commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"It's a pity that the emphasis has gone away from stand-alone and towards APPs and connected services. Manufacturers want to tie your hardware to their systems for information collection and/or ongoing revenue, at least until they decide…"
Apr 9
Alexey Dobrovolskiy commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"UgCS supports DJI Ace :-)"
Apr 9
Rob_Lefebvre commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"Oh, and it's a good place to remind people DJI have already remote-killed systems.  DJI Ace One Waypoint died when they killed the PC GCS. "
Apr 9
Nikola Rabchevsky commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"The takeaway here is that most people don't realize how little they own and how much they rent.  You're licensing lots of products these days.  They aren't yours to do with as you please."
Apr 9
Rob_Lefebvre commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"This is actually a very strong argument for Open Source Software.  The users are shielded from having a useless product after the vendor decides to stop supporting it.Yes John, I'm seeing the march in this direction across the board.…"
Apr 9
Foxzilla commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"I can't figure out from the information provided whether they are simply shutting down the cloud services or actually making changes to the hardware (which is how I understand "bricking"). Anyway, this is why I always check that all…"
Apr 9

Developer
John Arne Birkeland commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"Centralized/cloud services are great and offer convenience when they work, but disastrous when they fail. And even worse when the supplier goes under or stops supporting a device. Companies have been pushing hard for this type of technology, where…"
Apr 9
Jason K commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"Go to their FAQ and just beside that it says they will refund the purchase price of the device - something that really should be mentioned in the post above. I agree people's homes may have come to depend on the system and it may be a pain to…"
Apr 9
benbojangles commented on Melih Karakelle's blog post Weird story about Google/Nest and Hardware bricking
"Also, if anyone remembers, remote disabling was/is used on GM OnStar vehicle systems. It's a troubling thought for automated vehicles. On the one side, it is a tool for law enforcement to capture criminals, on another side it is…"
Apr 9
Melih Karakelle posted a blog post

Weird story about Google/Nest and Hardware bricking

"Google/Nest’s decision raises an interesting question. When software and hardware are intertwined, does a warranty mean you stop supporting the hardware or does it mean that the manufacturer can intentionally disable it without consequence? Tony Fadell seems to believe the latter. Tony believes he has the right to reach into your home and pull the plug on your Nest products.On May 15th, my house will stop working. My landscape lighting will stop turning on and off, my security lights will stop…See More
Apr 9
Adrian Ivan commented on Melih Karakelle's blog post 36x Zoom Camera Daylight and IR 850nm Test
"I bought this camera from you. Do you please have a manual or video tutorial for the wiring?  Thanks, Adrian Ivan hhaero@yahoo.com"
Mar 5
Clive Turvey commented on Melih Karakelle's blog post OpenBee: an OpenSource Telemetry Module with Xbee footprint
"@Melih, Sorry for animating this thread, but I stumbled upon it looking for something exactly like your HM-TRP on XBee board from the September 18, 2012 at 1:51pm post. Not sure if you still have any of those boards, or some related info. Thanks."
Feb 15
Josh Potter commented on Melih Karakelle's blog post New DroneThermal - Smallest Thermal Camera for Drones
"Look awesome and the price is reasonable too!"
Feb 12
Melih Karakelle commented on Melih Karakelle's blog post New DroneThermal - Smallest Thermal Camera for Drones
"Thanks for the comments :) @Dave There is no restriction for Lepton cores. They are less than 110.000 pixel and refresh rates less than 9Hz. That's mean, they are not in military restriction range. @Patrick The resolution is same because of…"
Feb 12

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R&D Engineer
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Hometown:
Turkey

Melih Karakelle's Blog

Weird story about Google/Nest and Hardware bricking

Posted on April 9, 2016 at 12:21am 11 Comments

"Google/Nest’s decision raises an interesting question. When software and hardware are intertwined, does a warranty mean you stop supporting the hardware or does it mean that the manufacturer can intentionally disable it without consequence? Tony Fadell seems to believe the latter. Tony believes he has the right to reach into your home and pull the plug on your Nest products.



On May 15th, my house will stop…

Continue

New DroneThermal - Smallest Thermal Camera for Drones

Posted on February 11, 2016 at 6:11am 8 Comments

Hi Everyone,



After 5 months of design and test process, new DroneThermal v022016 thermal camera boards are ready to announce. 

This is probably the smallest analog (PAL/NTSC) thermal camera in the world. 



Dimensions : 20mm x 20mm x 15mm (included Lepton 25 degrees…

Continue

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

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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