The ELRS F4 2G4 AIO flight controller is the world's first with a built-in 2.4 GHz Express LRS SPI receiver.

Upon receiving your FC,please connect to USB and calibrate before continuing to build and solder to it.







FC SPECIFICATIONS
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Original whoop size compatible
Power supply: 1S battery input (DC 2.9V-4.35V)
Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Betaflight OSD(SPI Control)
Built-in 5.8G VTX
Built-in SPI ExpressLRS 2.4GHz receiverBuilt-in 5V 1A BECFlight controller firmware target: CRAZYBEEF4SX1280

ESC SPECIFICATIONS
MCU upgraded to EFM8BB21
Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_REV16_8.HEX
Default protocol: DSHOT600

EXPRESSLRS
Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHzAntenna : SMD antenna
Telemetry output Power: <12dbmreceiver protocol:="" spi="" expresslrscould="" bind="" with="" happymodel="" es24tx="" lite="" slim="" and="" diy="" 2="" 4ghz="" elrs="" tx="" module="" need="" to="" flash="" the="" same="" version="" firmware="" li="">

VTX
Output power: 25mw~200mw switchable
Frequency: 40CH
Input voltage: 3.3V 5.5V
Current consumption: 300mA(type)
Frequency: 5.8GHz 5bands 40 channels(include Race band)Smartaudio ready

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