The MWOSD v5r1 mini-Andromeda OSD 90 is a multi function CORE PDB (power distribution board) made by CarbonBird AU and includes everything a mini Quad Pilot needs to keep the build clean VIDEO, compact and above all reliable - with so many rubbish OSD PDB producing noisy video images (even resorting to drastic LCfilters haha) and those boards soon smoking under high amps after a few flights ; so our EE's worked to design a new PDB board able to take high amp bursts, have full sunlight visible LOS orientation LEDS with above all a SUPER-CLEAR video picture, clear OSD text (NO LC FILTER EVER NEEDED) and RC STICKS feature control (to enter setting mode of OSD - Before arming hold MID THRO ; RIGHT YAW ; CYCLIC FORWARD to enter menu and setting of all features) - even the LEDs are installed and brighter than anything else on the market for FPV
Question What's the difference with this v5 MWOSD 90 and the previous v3 50 mini-andromeda 50? Answer = This OSD version has full Scarab MWOSD built in - clear noise free video ! (most other brands are riddled with noise in the FPVVideo)- plus the double thickness 2 OZ copper PDB for 90 amp race bursts, and in built dual pololu 2 x 1000mauBecs for 5v and 12v FPV gear (so these are uBEC not BEC and are double the DC power of the v3 mini andromeda) - we developed the v5 for hard core racers pushing max-amps
Features of the mini-Andromeda OSD v5r1 90 PDB
Super Clear OSD Video - No LCFilter EVER needed - true fact
100% backward compatible with all Scarab 200/240 - can be fitted to 270 with minor alterations
8 Ultrabright sunlight vis-LEDs (4 Blue front) and (4 x Red Rear) these can be seen at 300m in full Aussie sunlight
OSD - strong 2mm dual-PCB by design - both main and OSD daughter board are 2mm to handle 90amps and for OSD to ensure heat is not transferred over - SUPER CLEAR Video PICTURES - no interference or noise !! no LCfilter ever needed.
12v regulated power for FPV camera/Tx 1000ma with diode protection RP - note test your FPV Tx does not draw more amps than you realise - a 200mw Tx can draw up to 450~550ma - common mistake is to attach a 600mW Tx which draws <1.2amps and damage the 12v reg
5v regulated power for Flight controller 4.9v diode protected - wont accidentally run ESCs when USB is connected - feature - max 1000ma
3s -> 4s 16.8v input
90 AMP PDB burst or 60 amp continuous
FrSky voltage divider A2 voltage
LEDs and PDB consume 1.8w @16v (110ma)
Only 21grams with XT60 and OSD
Fits the standard 30.5mm square hole spacing used in all FPV drone racers
has 8 lead out points to distribute power to 4 x ESC
Designed for HS1177 12v PV camera support
Designed for 200mw class FPV Tx (450mA nominal power draw via 12v BEC onboard)
Nominal power drawn WITH HS1177 camera and 200mwTx combined and LEDs = firstname.lastname@example.org 4s or = email@example.com 3s
Nominal power draw without FPV camera or Tx = firstname.lastname@example.org (LEDs only)
dimensions 56x38mm (12mm h without xT60) - std 30.5mm mount pattern
backward compatible upgrade for previous PDB owners wanting plug-n-fly OSD.
sits on standard 6mm nylon standoffs.
1 x mini-Andromeda MWOSD v5r1 90 board - ready to run on 3S or 4S - OSD loaded
1 x XT60 connector
2 x camera in/out wires - longer cam wires/short FPV Tx wire
1 x A2 wire for X4R
1 x data wires naked for soldering to AIR3 OSD Rx/Tx pins diy
Here is an example of the Andromeda PDB OSD system being used in FPV flying to provide telecommand information back to the FPV pilot and also to tune PID's and other settings - OSD usually configured by "RC Sticks" - but advanced function accessed using MWOSD Chrome Extension
Excludes firmware "hacker" here - unplug yellow/green 4 pin plug and connect ftdi 4-wires hacker tool
Downloads - to update an existing Andromeda OSD you can Download Scarab OSD 1.7 HERE ; Use Arduino 1.6.1 HERE to upload that new Sketch file into the Mini-Andromeda90 (Tools/Board/Arduino Pro Mini)- in Config.h select Andromeda Board and Flight system such as iNav or BetaFlight ; we recommend you un-comment upload BOLD fonts ; upload ; wait 95 secs with USB still connected (fonts upload) , then comment out define load Bold Fonts ; then upload again - this ALWAYS gives 100% perfect fonts.
FYI - If you decide to upgrade firmware (not essential ) The MaxChip OSD will not tolerate poor/low 5v voltages - pls CHECK YOUR USB Cable - many cheaper mini USB cables use very thin copper and only transfer 4.5v (not 5.0v as they should do) - low voltages in MWOSD manifest with fonts , such as nil or partial font uploaded in MWOSD
Use the Hacker FTDI here ; disconnect Camera/Video Tx and connect only the Hacker FTDi - at the point where the ARDUINO 1.6.1 says uploading ; press the Hacker interrupt button briefly, and release it again; the Androma Leds will(must) blink OFF and back on again indicating an interrupt ; then the hacker data Red + Green LEDs will flicker to show successful data transfer is occurring (if only the Green LED flickers you did not do the interrupt)
When soldering the XT60 or XT30 connectors be sure to use a LARGE 125w soldering iron so the join can be made in 2 secs - WARNING - using a small 60 or 90w electronics solder tip will take too long and will not be able to create a good joint - a dry solder joint will result in power failure and a crash - RISK - you must use Amtech 223 flux and make solid / rapid soldering joins
its is vital NOT to connect other devices to the 5.0v or 4.5v ports - this power is exclusively reserved for the FLIGHT CONTROLLER
it is vital NOT to short the base of the PDB onto CARBON ! - Danger - Carbon is fully conductive and shorts of lithium batteries may cause fire /harm /smoke
XT60 connectors must be sized (insert a 1.5 tool) so the blades are well spread out - if the XT60 probes are compressed they will not make firm contact with the female on the LiPo battery - lubricate the XT60 with lanolin spray
(Beforearming hold MID THRO ; RIGHT YAW ; CYCLIC FORWARD to enter menu and setting of all features)
Question - I don't see the OSD overlay - just video picture ? Answer = This is usually when the FPV camera you are using has some type of built-in OSD "feature" and even when off these OSD signals block the MINUMOSD signal - to test just unplug the camera where NO OSD is seen, and if you now see a black screen now with OSD-data ; that confirms your particular camera is not compatible - We have tested ALL cameras sold by us on our site here - and they ALL work PNP.
Question - I only see a smooth black picture, no OSD no video image ? Answer = Check that your Camera and FPV Tx 3 pin plugs and no swapped over.
The only PDB and OSD that hasn't failed for me
Posted by Tom crashtestD on 11th Jan 2017
I went through so many PDB/OSD combo's before this board came out. They all failed, caused damage and cost me money. The mini-Andromeda OSD-90 PDB I have has been perfect!
I have had loads of flights with it now, and am now back to trusting my quads again, thanks to Multiwii developing this OSD-PDB board!