KISS ULTRA v3
KISS ULTRA v3
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dont forget to get mounting kit
Hardware:
- Iconic KISS “H” form factor 30.5x30.5mm mounting (With permission of Flyduino)
- STM32H743 processor 480 MHz, 2MB FLASH, 1.28MB RAM
- IIM-42652 gyro, SPI
- BMP390 barometer
- 8 pin ESC connector, backward compatible with KISS (!!!not with FETTEC!!!). Includes current sensor pin.
- Extra solder pads for motors 5-8
- 2 serial ports on 6 pin connectors (SER1 / SER3), KISS compatible
- Overcurrent protection on all data lines
- ESD protection on USB
- 5v/12v becs (2A) with separate power on lipo and on usb. 8s capable. (first batch has 12.8v regulator).
- Dedicated current sensor pad
- Finally USB-C :)
- Better cable harness
Software improvements:
- Firmware is based on LATEST version from PATREON
- New STM32 H7 bootloader, VCP driver
- One HEX to rule them all… ??
- Smart config storage… NEVER loose your configuration…
- Optimized hardware interface layer code
- Optimized adaptive filter code (CPU load is about 8% fully loaded!!!)
- Added BLHELI Passthrough
- IRC Ghost support
- TBS CSRFv3 support (ultra code)
- Improved RTH with BARO support
- KISS Weather Station (its fun)
- NO soft serial ports anymore!
- 7 serial ports exposed (dedicated serials for SA and RC telemetry)
- Camera control (analogue, real DAC)
- UBX protocol GPS support
- Battery capacity/alerts
- DSHOT router (free routing between software and hardware channels)
- Up to 8 motors support with DSHOT2400/1wire
- Full support of all HD systems (DJI MSP, DJI WTF, DJI O3, Walksnail, HD0)
OSD features:
- Integrated Graphical OSD
- No OSD firmware update required
- Configurable Black and White levels, transparency
- FULL KISS configuration from OSD
- ESC configuration
- No serial port required, 50fps refresh rate
- Battery cell voltage sensor
- Crossfire tools
- AM32 setup tools
- Hardware test tools (rc test, gps test, video test, motor test etc)
GUI improvements:
- Forked GUI code (With permission of Flyduino)
- Design facelift, code cleanup.
- Removed odd things like pentacopters, cars and other noise.
- Web GUI without installation available at https://kiss-ultra.com/
- OSD Mirror https://youtu.be/aUqtCTAt8ik
- Native support of Apple Silicon
Abbreviations:
KISS - Keep It Super Simple
FCFC - Fedor Commander Flight Controller
In the box:
Kiss FCFC Ultra v3
8-8 cable
8-6 cable (legacy)

I’ve been flying FPV for years, and the KISS Ultra V3 is hands down one of the most refined flight controller I’ve used. It doesn’t scream at you with a million menus or gimmicks, it just flies stupidly well.
The hardware is on point: H743 processor, rock-solid gyro, proper voltage regulators, including 12V !, and plenty of serial connections. USB-C is a nice touch ( finally ) , and the build quality looks and feels premium.
What actually matters though? The tune. Out of the box it felt insanely locked in with almost no effort. Propwash performance is top tier, and the sticks feel connected in that “buttery direct” way KISS is famous for. If you’re coming from Betaflight, you’ll notice the difference immediately it just reacts quicker and cleaner.
And one of the best things is the support is second to none thru email or Discord, i don't think the team at KISS Ultra ever sleep and the Discord community in general is very supportive. Your not just buying a FC your buying a complete package.
When buying Ultra, you dont just buy a flight controller, you buy a front seat ticket in of the best (if not the best) community and after sales service.
You having a topnotch flying quad and a whole GUI in your osd is just an added bonus.
Insane product ! Fast shipping and very active after-sales services. What else ?!
Cant wait to try it!
Solid as always, best thing for peace of mind flight