Eachine Stack-X F4 Flytower Spare Part F4 Flight Controller Integrated OSD 40CH VTX For FPV Racing Drone
Brand name: Eachine
Item name: F4 FC integrated OSD 40CH VTX
MCU: STM32F405 32-bit processor at 168MHz
MPU: ICM20608 connected via SPI
Firmware version: Betaflight 3.2 FISHDRONEF4
VTX control: Set in Betaflight GUI CLI command or OSD
VTX power: 50MW/200MW Switchable in CLI Command
OSD firmware: Betaflight OSD
Operating voltage: 2-6S Lipo (Power from ESC)
Frsky smartport: UART1
SBUS input: UART3
Board size: 36*36mm
STM32F405 MCU Runs Betaflight 3.2.0 firmware.
Use ICM-20608 as Acc & Gyro over SPI Bus.
Serial or PPM signal input.
STM32 control Betalfight OSD Over SPI in DMA Mode– configure by Betaflight GUI.
Integrated 5.8G 40CH VTX power switchable – 50mw / 200mw switchable.
STM32 control VTX Band / Channel / Power -Set in Betaflight GUI in CLI Command.
How to Fixed the Stack X F4 flight controller overheating when debug via Betaflight configurator on the ground?
1. Update firmware to Betaflight Fishdronef4 V3.3.1 or Betaflight Stack X V3.3.3(Released soon);
2. Connect flight controller and Go to CLI then type “set vtx_low_power_disarm = ON”, and “save” .
VTX overheat protection function will activated if the Stack-X F4 flytower runs long time but without air-cooled at the ground, the display from your FPV goggles will losted or crashed, dont worry, its normal. (betaflight_3.3.0_Stack-XF4 firmware)
Stack-X F4 flight controller integrated VTX and OSD manual
1 x F4 FC integrated OSD 40CH VTX