Super simple mini osd - RC Groups
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Jan 31, 2012, 05:26 AM
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Super simple mini osd

I am new to fpv, i have bought the HK 900Mhz 800Mw fpv set.
And that works just fine I have not yet flown it (due to winter here)
In the waiting time i have bought the HK super simple mini osd,and i have a few questions that i hope some of you can help me with.

The wiring from the batteri i think is okay ? pic. 1 (plus/minus corectly soldered)

Now the fun starts, where on the fpv wiring should the osd in/out wires go ? pic 2
I hope you understand my question, i am okay at soldering,but a total newbie
on the electronic. So please if you have an answer keep it simple.

Hope someone out there can help - Thanks
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Jan 31, 2012, 07:00 AM
ZIPPER's Avatar
If you follow this diagram it should help, just dismiss the second OSD.
Jan 31, 2012, 07:46 AM
Registered User
Thanks for your answer, i have seen this schematic on HK homepage.
But i have 3 wires comming out of the camera (red,black,white)
Which 2 wires are the ones i need ?
Jan 31, 2012, 09:09 AM
jsxx's Avatar
Just ground and siglan- black and yellow
Jan 31, 2012, 09:12 AM
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spitfire_Doug's Avatar
They are red/+12v, black/ground and white/signal. Now from the camera, hook up the white wire and the black wire to the osd's vid in and ground. Then connect the vid out and ground from the osd to the video transmitter. This should work for you.


Feb 01, 2012, 03:15 AM
Registered User
Hi Doug and jsxx
Okay i think i got it. So if you look at the pic. it should look something like this ?
Thanks for your help :-) i will start soldering and looking forward to testing it

Feb 01, 2012, 03:21 AM
Registered User

ups pictures here

sorry pic should be here
Feb 02, 2012, 09:48 AM
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spitfire_Doug's Avatar
Perfect mate, that should do the trick .


May 24, 2012, 11:16 PM
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AeroHeadTW's Avatar

I have the same osd and a similar wiring situation. Did the wiring shown in the photo/diagram work for you? I keep thinking it shouldn't work as the battery lead doesn't have a direct connection to the tx via the red lead.

May 24, 2012, 11:51 PM
Registered User
Hi AeroHeadTW
If you follow the picture in post #7 that should work id did for me

May 25, 2012, 12:45 AM
Because gas is for BBQ's
nogas's Avatar
might - does it show your battery voltage connected like that? you haven't connected anything to the battery input so does it just show the timer?

Heres how i did mine. Remember if your using a 1 battery set up that you may need a LC filter (ferrite ring and Capacitor) to filter the 'noise' from the motor / esc.

May 25, 2012, 09:54 AM
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Ceros007's Avatar
+1 for might
May 31, 2012, 07:05 AM
Registered User
Hi Nogas
Sorry i havent answered before.
Its been a while since i used this osd (have bought a new - better one)
I am not sure i understand your question but i have modified my picture i hope this helps you - if not please ask again.

May 07, 2014, 11:40 PM
Registered User
Can't get this OSD to work. IT just blinks red fast. Anybody know what this means?

May 09, 2014, 07:00 PM
Registered User
Ok, got it to work, now the text jumps around while my quad is powered. Wondering how to fix this...any help very appreciated.

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