I have started to add functions to MinimOsd code.

At first i did it for myself only. Added many functions i thought i need. Then opened this thread.

after a while, Pedro and later Miguel came, and things started to happen fast. :D

They have optimised the code and added even more things to it.

They have worked hard on CT, and it became a great tool!

Thank you Bough! :)

By now MinimOSD-Extra got a pretty advanced OSD.

Here it is in action:


- Changeable unit measurement (US, metric)

- Airspeed

- Home alt

- Battery Percent

- Battery used mah

- Current Draw

- Time From Startup (cleared at takeoff to show exact flight time)

- OSD Menu

- Variometer

- Wind horizontal speed and direction, and also the average wind speed of the last few minutes. 

- OSD on/off

- Switchable secound screen

- WP distance

- WP heading

- Crosstrack error

- Warning messages for Lost GPS fix, Stall, Overspeed, battery volt, battery Percent, RSSI

- Efficiency, glide distance & thermic notifier. 3 in one panel

- OSD Brightness

- HAM Call Sign

- After flight summary

- Trip distance

- Temperature

- Smoothened horizon

- Real heading


- Vertical speed

This functions can be turned on and off, and placed on different screens now, by the Config. tool.

Also RSSI, switching mode and channel and unit measurement, Stall speed warning, Overspeed warning, Battery warning volt, Battery percent warning, RSSI warning,  can be set in new Config Tool.

We built in a new way of setting video standards. Now OSD does not guessing anymore :). You can set it fixed from CT. It is in "Video Mode" menu.

Here is how it looks: (This video is a bit outdated, sorry. I will make a new one soon.)

The MinimOSD-Extra project is here: Link

This project is the developing version of the official Arducam OSD located here: Link

The latest stable version is: 2.2

The latest version can be downloaded from here: MinimOSD-Extra R800

Username: MinimOSD_Extra

Password: Top_Secret

CT is included. (The FW for Plane, Copter, Character upload and the character file is in the "FW & Char" directory inside CT directory)

We are sharing it to see videos you make using it! :)


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Yes, very simple, I'm in love (:

Thanks David, work perfect. 

Were you able to figure out what was causing your OSD to hang on splash screen?

I have the same issue and can't get it to display panels at all. I have MAVLink OSD Crius V2.0 board.

My screen looks exactly as it does in your picture: not centered, with "Copter" text cutout and that weird icon at top left. What is it, an unplugged camera, or FC? .. Anyway, please let me know, because I have no idea what else to try.

A character firmware (older one) is actually included in r800, its in the FW & Char folder called Character_Updater_FW.hex. No need to search for older one to use. Can be diffucult to know how old it has to be to be working too.

I think it was size dependent, Miguel or Gabor sure know the right size. But for newcomers it can be a trial and error thing.

So just load the Character_Updater_FW.hex, update charset, and then update to plane or copter firmware thats in the same folder.


I remember there was an old firmware that was made to take care of the streaks across the screen behind the text. Was this bit of code included in r800? If so what am i doing wrong as i have the streaks across my screen. My osd brightness is set to low.


Are there any plans to add support for functions in Minimosd with KVTeam mod, would like to monitor my second battery I use for my gimbal.

You'll only hear a chorus of crickets after asking this question from the devs. Others will chime in they want it to.
I spent some time trying to get it to work, but haven't got it quite ready. I've been sidetracked way too often since i pledged my help with this.
i suppose what dissuaded me at the time is no one seemed able or willing to help me should i hit a wall.
in any case i have yet to exhaust all possibilities.
i will need this for myself going into spring. So its do or die in the next few months for me to finish this.


Please try the attached FW.

I did a very fast addition to normal battery voltage panel, just to see if it works.

After you have tested it we can step forwrd.



Great, I'll try do do a test tomorrow after work. Thanks .-)

Need some help!  I received 2x RCTimer v2.0 MinimOSD modules and proceeded to follow the instructions Bjoern posted below.  "... just load the Character_Updater_FW.hex, update charset, and then update to plane or copter firmware thats in the same folder." My current problem is that I get "No Mav Data" showing on my display no matter what I flash.

I even swapped ports from Telem2 to Telem1 and cables but no improvement.  What am I doing wrong?

Hi, sorry for the late answer. I uloaded the new firmware but it still shows readings from the main battery, connected the gimbal battery to BAT2

What is it connected to, Pixhawk or APM?


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