Adding extra functions to MinimOSD

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Here is how it looks: (This video is a bit outdated, sorry.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

    There is a new copter version r726 that should fix that weird chars that some guys are reporting. This bug was happening when at least one of the "Show sign before value" checkboxes was checked.

    By the way, there is also a bug in the CT Tool that it isn't updating this checkboxes when you click "Read From OSD". To be sure which options are checked in osd just click "Read From OSD", check the boxes you like and then click "Save current tab to". We will be releasing a fix for this CT Tool bug soon.

    As allways all/any feedback will be much appreciated :)


  • I have a pixhawk coming in and want to know if anybody got rssi working with minimosd?
     And i want to have a 5v input just like i having now on the apm on the a1 voltage input.

    I know i can work with the channel 8 option but i have a digital rssi convertor for ezuhf to 5v

  • First of all: thank you so much for all the hard work you've done with this excellent firmware.

    I was about to order another RSSI DAX for EzUHF to get RSSI in MinimOSD on a new plane I'm building. But when installing the latest MinimOSD Extra I suddenly made note of some changes in the RSSI menu. I could choose PWM RSSI from one of the channels.

    So, I configured RSSI on channel 8 in EzUHF config and choose channel 8 for RSSI in MinimOSD. Wow. RSSI in MinimOSD without the $50,- adapter or any extra cables.

    In the beginning it said -nnn% for max and +nnn% for min, but after a connection with the RAW option selected I could read that PWM 993 is max and PWM 1568 is min. At least for my 4 channel EzUHF Rx...

    After entering 1000 for max and 1500 for min everything is better. I was not allowed to choose 993 for max or 1568 for min. So the way it works now is that 103% is max and -20% is min. But that's ok. :-) 

  • Please forgive me in advance for asking this question as i see references everywhere for how to update the character set on the minimosd describing the need to 'power the video side of the board' but i haven't seen an actual picture of video of just where to plug things in.  I've uploaded a video of the steps i've tried about 20 times now but still no luck.  Please help me determine what i'm doing wrong.


  • I just got minim OSD (moved up from a remzibi + hazy's mod), but I have this strange brightness hunting issue.
    The brightness of te video feed is pulsing from bright to dark once every other second. It looks like the video is flickering.

    When I bypass the OSD the flickering is gone. What am I doing wrong?
    I soldered the pads of the OSD so I could power both sides from the APM,+12V is not connected of course.

  • Can someone tell me why some of the labels on my osd are funky?  I'm using:

    Config tool 2.3.2 pre release

    2.3.2 char set (I flashed it while connected to 12v on the OSD)

    MinimOSD-Extra_Copter_Pre-release_2.4_r719 firmware.

    Here is a screenshot of my config tool and here is a photo of the OSD on the monitor.  Some of the labels are different, and cover some of the data.



  • Happy new year my friends! :)

  • I had a problem with my quad losing GPS for a short moment but then minimosd continued to report NO GPS FIX.

    Any idea what could be happening? I enclosed a TLog in the thread above.

  • I have an issue with the following configuration and was hoping that someone might have a suggestion:


    a. CT Tools Extra pre-release r676

    b. Coptor pre-release 2.4_r682.hex

    c. minimOSD_2.3.0.8.mcm from CT tool directory


    minumOSD feed from APM2.5 running Arducopter 3.1


    The issue is that some of the icons do not appear.  I have no icons for throttle, current, voltage, lat/lon.  All the other icons show up (I did need to check the sign option box to get the HA and MSL icons to appear). The rest of the display appears to be working including the armed/disarmed icon.


    Any suggestions?





  • is anyone using a slim version of a charset?  Smaller font or slimed down characters?  If so, can I also use it?

    it's for the plane version..


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