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> Multi-Rotors & Parts > Electronics
> Planes & Parts > Flight Stabilization
> Multi-Rotors & Parts > Flight Controller


Minim OSD v1.1

Minim OSD v1.1
Minim OSD v1.1

This is a mini Arduino based on-screen display board. It's tailored for use with ArduPilot Mega and the MAVlink protocol, and designed to be as small as possible.
It's main components are an ATmega328P 8 bit microcontroller with an Arduino bootloader, and a MAX7456 monochrome on-screen display. Programming is done through an FTDI-compatible 6-pin cable.

It features two independent power and ground sections to isolate the OSD's analog stage: a +5V section for the ATmega and the OSD's digital stage, powered through the FTDI cable or other +5V source; and a regulated +5V section for the OSD's analog stage, powered through the video in/out header and capable of handling up to +12V input.


• ATmega328P with Arduino bootloader
• MAX7456 monochrome on-screen display
• FTDI cable compatible pinout
• Standard 6-pin ISP header
• Two independent power sections with an LED indicator on each
• Solder jumpers for combining the power sections
• +5V 500mA regulator for up to +12V supply input (5-12v range)
• Solder jumper for PAL video option
• Exposed test points for HSYNC and LOS

Voltage: 5-12v
Dimensions: 50 x 18 x 10mm
Weight 4g 


Please see the file uploaded under the files tab for Developer credits, Links to source code and other information! 

PRODUCT ID: 387000015

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Weight: 20g
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Price $21.30

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 Customer rated
Total of 192 discussions.
FlymP  94 points - 10/21/2014
A great 100% compatible minimosd. I have a few originals and bought a clone from ebay a few months ago. The damn clone wouldnt flash. I tried all the hit reset nonsense and still a no go. However this clone does work. Just hookup my FTDI cable and the minimosd extra config tool and everything just works. It came preloaded with some ancient Arducam firmware, which i quickly replaced with minimosd-extra.
Bob  16 points - 10/20/2014
So what does this OSD actually do? Like what readings does it give you? GPS location, direction of home, batt voltage, altitude, heading? Would love it if it did all that.
 BuBu1 212 points
This OSD only displays information provided by the APM to which it has to be connected. Then you configure using a tool what you want on it. Go search it in the ardupilot . com website and you'll figure out what it can display. This is NOT a standalone OSD.
 FlymP 94 points
BuBu1 is correct, however. What the minimosd does is listen via the cable to the stream of mavlink messages that the APM pushes out all the time. These msgs include many details such as the values of sensors, like gps, compass, altitude, speed this and that. Its basically watching the same data that would also go down the radio to a ground station for display on a pc or something.
martin  26 points - 10/17/2014
my minimosd is working but i have to supply 12v to the analogue side, tried 5v and it wont work has to be 12v ?
 leithalweapon 63 points
Pedro, I am having the same issue. It seemed like the first time I hooked mine up to the nova it seemed like it was working , but I was getting No MAV Data! on the newest minimosd firmware. I just tried minimosd extra 2.2 and it boots, but then it just sits at the startup screen. I have tried the same parameters in MP as you did. I also tried clicking the button under the OSD menu in MP. Says to click it only if you are having problems with your osd not updating. It seems to just change almost all the SR0 and SR1 values to 2.
Pedro  1 points - 10/2/2014
Has anyone installed the minimOSD Extra in the quanum nova quad? I have connected mine according to the following tuto: https://github****/jlnaudin/x-VTOLdrone/wiki/T UTO:-
Connecting-the-telemetry-to-the-Cheerson-CX-20- %28a
them I connected according to the following:****/p/arducam-osd/wiki/How_to_s
and also adjusted the parameters in mission planner according to the following wiki:****/p/minimosd-extra/wiki/APM however,the osd only works for a few seconds and than it goes back to the initial osd screen saying v.19 minimOSD Extra 2.2 Copter and does not show any data. with old firmware same thing, it appear for few seconds and after that it show waiting for heartbeats. Anyone has faced the same issue? any hints? thanks in advance. (The site edited the links, and where is **** is ". com".)
 No_Hazmats 12 points
The MinimOSD has a 500 MA regulator on it, so the max it should draw at any input voltage should less than 1/2 amp (500mA). Since it can also provide power for a 5 volt camera (typically ~250mA), it stands to reason the board will draw less than 250mA by itself. I would bet it draws less than 100mA in reality.
Christopher  2 points - 9/27/2014
How many ma of current does the board draw when powering both sides through the 5v input?
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good product!!! don t forget to used with a ftdi adapter with 6wires, to flash!!

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Works at 5V/PAL (soldered the jumpers) without any problems. Very nice product! Paired with HK MegaPirate AIOP board v2.0 plus HK UBLOX plus HK Bluetooth. Nice combo, Hobbyking!

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excellent product, got it working with multiwii easier enough after flshing rush-osd and setting it up via rush gui. would be nice if you had jumpeers for your external monitor leads rather than having to solder onto the main chips legs but that it a problem with the initial design not hobbykings copy of that. i run mine off 5v with the soldered pads.

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works good. it dont looks exactly like the original but it works as well as the original

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No heating problems if used with a 2S 7.4 pack. A bit hot, but within acceptable limits.

Good job HK.

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