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  • GSF405A-BMI
  • GSF405A-BMI
  • GSF405A-BMI
  • GSF405A-BMI


 25.5x25.5mm JHEMCU GSF405A-BMI F405 1S-2S AIO Flight control 5A ELRS 2.4G receiver 
JHEMCU GSF405A-BMI is a 1-2S F405 AIO that integrates a four in one brushless and ELRS 2.4G receiver. It has five serial ports (UART1, UART2, UART3, UART4, UART6), one I2C port, and one SBUS interface (SBUS uses RX2 serial port). The built-in ELRS receiver is the UART1 port, and there is a WS2812 LED on board, with a reserved WS2812 interface. Built in black box 8MB and barometer, with buzzer interface and camera interface. A 5V powered camera interface is reserved on the board.
Flight control parameters:
CPU: STM32F405
Gyro/accelerometer: BMI270
OSD: AT7456E
Barometer: SPL06
Black box: 8MB
IIC: Support
UART: UART1 (ELRS), UART2 (external RC), UART3, UART4, UART6
USB: micro USB
Size: 25.5 * 25.5MM M2
Support programmable LEDs such as WS2812
Support buzzer
Built-in voltage and current sensors
Flight control firmware: Betaflight_ 4.3.0_ STM32F405.HEX (JHEF405PRO)
Weight: 3.3 grams
ELRS parameters:
Frequency: 2.4GHZ
Work Agreement: CRSF (Betaflight)
Firmware: JHEMCU_ EP24S_ 2400_ RX-3.0.0.bin
ELRS receiver indicator status:
Double flashing: Code matching mode
Slow flashing: no transmission signal received
Always on: Received transmission signal
Frequency matching steps:
1. Connect USB to power the flight control. After inserting the USB for the first time, disconnect the USB immediately when the LED light on the receiver goes out. Repeat the operation twice, and when the USB is inserted for the third time, the LED will start to double flash, and the receiver will enter code checking mode.
Electrical adjustment parameters:
Supports PWM, Oneshot125, Oneshot42, Multispot, Dshot150, Dshot300, Dshot600
Input voltage: 1S-2S Lipo
Continuous current: 5A
Firmware: BLHELI_ S   S_ H_ 50_ REV16_ 7. HEX
Packaging List:
GSF405A-BMI board * 1
2.4G antenna * 1
2.0MM plug cable * 1
470UF/10V capacitor * 1
M2 * 6.5MM shock absorber ball * 4
2S series board * 1


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