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Here is how it looks: (This video is a bit outdated, sorry.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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Maybe the idea is to save space on the screen for values that are self explanatory.


Yours is the same?

Gábor is that how it should look now?

Exactly. For 4 panels you can turn it on and off using CT. Others are fixed.

Ok thanks, just wanted to make sure :)

Btw great work guys, i love the OSD so much :)

Gabor, Miguel, may I ask you to include hdop value into the next release? Thank you! 

It is. If it is higher than 2 than gps icon blinks.


And a height relative to home function :)


That is also in.

cool, thx! 

(Voice disguised as Robs, since he's getting good favor)
How about Battery B?!
Hello Gabor and all,
I'd like to bring a new issue I've opened to your attention, because I have a feeling these issues don't get looked at.

Have you ever felt that the voltage reading in MinimOSD is unstable? Even when landed. Mission Planner's reading is perfect, yet the OSD's can fluctuate quite a lot.

So I think I know what is causing it, and all that's needed is a bit of averaging. I explain everything properly here:

Let me know if anyone finds the unstable reading annoying.

Hi Chris,

It is displayed as it is rwceived.
Averageing voltage can be dangerous, because you have no chance to find out about critical drops.

So it is not a bug. It is a feature. ;)

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