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
• BMP388 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 bec (2A) with separate power on lipo and on usb. 8s capable.
• Integrated spike absorber
• Dedicated current sensor pad

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
• 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 v2
• 8-8 cable
• 8-6 cable (legacy)