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Here is how it looks: (This video is a bit outdated, sorry.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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Hi Miguel

sorry for bothering - how can I download the source code and libraries ? Found no way so far and can't imagine they have to be copied with copy and paste.

Thanks for help and regards


Hi Andy,

No problem :)

At checkout tab you have a code google note that links to possible "client programs and plug-ins".

Nonetheless I use turtoise TortoiseSVN (it's not referenced in code google) which was refered to me by Gábor. IMHO tortoisesvn has a nice windows explorer integration.

If you're not used to use svn clients expend some time reading tutorials.

It's not hard but you need to get some basic versionig concepts (has I needed when came here :) )


That is a FANTASTIC idea.  Just like the gliders have!!

As a pilot, I say its a good thing.  When things change shape on the screen they can be hard to detect even though the position is the same.  I am PRO 3 digit!!

Thanks for all your great work!!

As the self appointed "Clutter Police" I personally have no problem with the 3 digit heading change and agree that it standardizes the presentation of data. That said, I don't use the heading digits, I only use the compass rose. As previously stated, accurate heading information is not that useful for the FPV pilot since we don't have any navigation to perform beyond "pilotage". I use the compass to get a general sense of direction and to confirm the the APM's magnometer is working properly.

Hi Miguel

thanks for the tip about the TortoiseSVN. Is installed and working. Another question - for compiling do you use the Arduino IDE or something else ?

regards Andy

Hi Andy,

I use ArduPilot-Arduino-1.0.3-windows.

Check if this is selected in Arduino IDE:

Ardupilot -> HAL Board -> None

Tools -> Board -> Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega328


Hi Miguel

thanks for reply. The project is on a good track. While digging in the internet I came across this http://diydrones.com/forum/topics/amp-to-frsky-x8r-sport-converter. Seems that already a lot of the work is already done and the Teensy has a D/A converter built in.


Hi Miguel.

I performed a google search for ArduTracker fw and the only one I found is deprecated. Do you know where I can find a good one? It's also to install on a Arduino Uno for an antenna tracker. Any advise will be much appreciated.


Frederico Fernandes.

Hello again!

I have now implemented the second battery monitor and have successfully compiled the code. But I will have to wait for the clever guys to make the ArduPlane sketch smaller before I can upload and test it. Here is the thread: http://diydrones.com/forum/topics/monitoring-a-second-battery-with-...

It would be great if you could implement FrSky Telemetry. Here's some working code https://github.com/zendes/SPort

Frsky telemetry is simple. It has analog ports, so you can make voltage alarms, that OSD can generate.

However you will need leadouts to do it and some code to remove, to have space. Or You can make a separated board that reads mavlink and generates thies alarms for Frsky. It is like a day work.

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