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Old Mar 17, 2013, 12:34 PM
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RFnoise's Avatar
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Quote:
Originally Posted by MelihK View Post
Hi Carl,

Yes I did. But it is not an open product.
You can also do that with DIY-OSD, I can only show the way to you. Just download the ArduPilot project and isolate the altitude calculation code. Or maybe you can find BMP085 library with temperature compensated altitude calculation code on the net. Then you can integrate it into the DIYOSD code.

Sorry for this close code things but HobbyKing copying our all projects and we have to do this for surviving and supporting future projects
thank you for your understanding.

Melih
No problem! I support you! Thanks for pointing me at the right direction.

Regards,
Carl
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Old Mar 17, 2013, 04:00 PM
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Here's some arduino code and detailed explanations on using bpm085 here :

http://www.sparkfun.com/tutorials/253
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Old Mar 17, 2013, 04:03 PM
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Denmark, Capital Region of Denmark, Naerum
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Otherwise, feel free to copy-paste from the MAX7456 OSD project where BMP085 is implemented and OpenSource.

The altitude calculation is a linear approximation atm
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Old Mar 20, 2013, 05:36 AM
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Hi i tried your scheme with arduino mega 2560, but there is mosi in pin 51 not 11, where i must make change in code ? i make change in pinMode(11,OUTPUT); to pinMode(51,OUTPUT); it's everything ? Thanks...
i tried non changed code, but display nothing show.

I tried now in this scheme


Thanks for any idea.
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Old Apr 10, 2013, 11:48 AM
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Ok, i tried on iduino nano http://www.ebay.com/itm/190746782529...84.m1439.l2649
but nothing show i tried turn slowly left or right with potenciometer but nothing happend.

Any idea ? Thanks for reply

I use version 0,18 without changes...
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Old Apr 10, 2013, 12:09 PM
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Ok, now works. but no readable text same as this picture
i use 50k potenciometer(try 100k but nothing), diode 1N4148, i use scheme on page 1. firmware 0.18
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Old Apr 12, 2013, 11:57 AM
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Canada, BC, Langley
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NOOOO, I bread boarded it. worked perfectly, made a protoboard to fit onto my mini pro and nothing haha, back to the drawing board.

Has anyone made a protoboard like the Denis did, if so is there any chance I can see your design? with some close up pics of the front and back ?
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Old Apr 12, 2013, 09:40 PM
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Canada, BC, Langley
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Yew got it, now I need to work out powering a 3.3v gps, sigh!

Quote:
Originally Posted by sarky1 View Post
NOOOO, I bread boarded it. worked perfectly, made a protoboard to fit onto my mini pro and nothing haha, back to the drawing board.

Has anyone made a protoboard like the Denis did, if so is there any chance I can see your design? with some close up pics of the front and back ?
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Old Apr 18, 2013, 07:28 AM
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Quote:
Originally Posted by njosef View Post
Ok, now works. but no readable text same as this picture
i use 50k potenciometer(try 100k but nothing), diode 1N4148, i use scheme on page 1. firmware 0.18
I did not try again, but I just set up a new quadcopter and I really want an osd!! did you fix this?
I am going to rebuild the project again and use an oscilloscope to find out what's wrong..
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Old Apr 18, 2013, 09:56 AM
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Quote:
Originally Posted by emerge View Post
I did not try again, but I just set up a new quadcopter and I really want an osd!! did you fix this?
I am going to rebuild the project again and use an oscilloscope to find out what's wrong..
Hey Emerge.

What Arduino are you using? I had a very similar issue with the UNO but got it working just fine with a Mini Pro
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Old Apr 20, 2013, 05:02 AM
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no i havent time yet
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Old Apr 25, 2013, 11:47 PM
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wow nice project! Just saw it!
I was wondering if it's possible to change the view with something similar at the image i posted..maybe modding the script of the ascii..
(only an example)
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Old May 03, 2013, 10:06 AM
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Hello,

I know this project is old,

but is it possible to get the altitude by a BMP 085 Sensor instead of a GPS ?

I just need the alt for my OSD, nothing special.


-ironman
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Old May 10, 2013, 09:31 AM
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I tried again and now working. But i dont know where was problem.
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Old May 21, 2013, 12:05 PM
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St. Pete, FL
Joined Feb 2006
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The Arduino Micro is another very small board and is conveniently available at Radio Shack. I tried building the code for it, but for the Micro (essentially the same as the Leonardo) a number of constants used had to be changed because the Serial IO and timer are different from other boards. Also, the Micro has only about 28K available because the boot loader steals about 4K from flash memory and the compiled program is a bit too large to fit. (Maybe there are some tricks that can be done to reduce the memory taken up by the ASCII file.)

Has anybody else tried building this project for the Arduino Micro board?

--Van
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