The Holybro FETtec KISS G4 features the latest STM32 G4 MCU with math accelerator for the ultimate in flight performance, onboard OSD for KISS flight tuning, 2 dedicated BECs for 5V and 16V switchable power, DSHOT2400 outputs for support of up to 8 motors, and dual 20×20 and 30×30 mounting holes.
((!)) Note: This Flight Controller is version 1.7 with upgraded Gyro and other improvements.
FETtec FC G4
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Latest STM32G473 Processor
- 180Mhz + Math accelerator
- Gyro IIM-42652 SPI
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Supply voltage 6-27V (2S-6S Lipo)
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2x dedicated onboard BEC (2A each)
- 5V BEC for RX
- 5V/16V BEC for VTX (switchable and real Pit*)
- Improved IO protection
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All IOs of the microcontroller e.g. in connectors or solder pads are protected against voltage or current spikes
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2x 8 pin connector for solder free ESC connection
- Connector 1: ESC signal 1-4, telemetry, VCC, GND
- Connector 2: ESC signal 5-8 (depending on UAV type 1-4), telemetry, VCC, GND
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1x 8 pin connector for solder free VTX, cam connection and OSD or digital systems
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real Pit* VCC, GND, Video in, Video out, BEC 5V/16V, VCS/TX3, RX3
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2x 6 pin connectors for serials
- RX1, TX1, 3.3V, VCC, 5V, GND
- RX3, VCS/TX3, RGB LED, VCC, 5V, GND
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1x 4 pin connector for receiver
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Signal, TLM, 5V, GND
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5 UART serials
- UART 1 free
- UART 2 used for Receiver
- UART 3 free
- UART 4 used for onboard OSD, can be set free
- UART 5 used for ESCs / TLM / Onewire
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4 ESC solder pads (Signal/GND) in each corner
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Buzzer pads
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4 tiny RGB LEDs (selectable color)
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Supported ESC protocols
- PWM, Oneshot125, Oneshot42, Dshot150/300/600/1200/2400, FETtec Onewire
- FETtec Alpha FC firmware (KISS FC firmware flashable)
- Updated onboard OSD
- Graphic OSD (STM32)
- Full KISS Tuning
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- Filter (PIDs, Rates, Settings)
- LED control (RGB LED, Racewire)
- VTX
- Live data graphs (Voltage, motor rpm, current, motor temp, gyro values, link quality)
- KISS GPS support + live map
- Custom graphic pilot logo
- Stick overlay
- Custom layout
- can be deactivated for usage of digital systems
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Connector type: JST-SH-1mm
*real Pit-Mode: A power supply pin which is remotely switchable
Dimensions:
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Maximum outside dimensions: 37,2 x 37,2mm, without outside tips 30 x 30mm
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Mounting hole arrangement:
- 20 x 20mm with M2 mounting hole (expandable to M3)
- 30 x 30mm with M3 mounting hole
- 30 x 30mm mounting hole tips are removable to reduce overall FC size
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Overall height: 7,9mm
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Weight: 5,37g
Firmware
- FETtec Alpha FC firmware (KISS FC firmware flashable)
- FETtec OSD Firmware
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