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Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mmThe CruxF405HD ELRS AIO flight controller comes with integrated UART 2. 4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre installed) which could support 3 4s battery. Bigger Mosfet could support high to 20A currents would be better for 3 4S toothpick drone or long range FPV drone. Reserved 6 pin socket for DJI HD equipment plug and play. Its a great solution of build HD digital FPV drone . No longer supports 2S, only 3S 4S. Check out
The CruxF405HD ELRS AIO flight controller comes with integrated UART 2.4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre-installed) which could support 3-4s battery. Bigger Mosfet could support high to 20A currents would be better for 3-4S toothpick drone or long range FPV drone. Reserved 6 pin socket for DJI HD equipment plug and play. It’s a great solution of build HD digital FPV drone .
No longer supports 2S, only 3S-4S.
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Flight controller
Onboard 4in1 ESC
Onboard UART ExpressLRS 2.4GHz Receiver
Onboard voltage and Amperage meters settings
Binding procedure:
Receiver LED status meanings:
Red LED solid means bind successful or RC link established; Red LED double-flash means get into bind mode; Red LED flash slowly means no RC signal input from TX module; Red LED continuous flash fast means ExpressLRS wifi enabled; Red LED tri-flash means model mismatch need to change model match from “off” to “on”.
UART description:
ELRS receiver was connected to UART2 default out of factory.
Usually UART1 or UART6 Could be used for MSP OSD with HD VTX.
UART6 could be used for GPS or other serial equipment.
IRX6 is an inverted serial RX6 for SBUS input.
IRX6 and TX6/RX6 couldn’t be used at the same time.
NOTES:
If upgrade firmware to betaflight 4.4.x , need to add custom Defines “GYRO_SPI_ICM42688P ACC_SPI_ICM42688P” from build configuration of betaflight configurator otherwise gyro will not working .
If you want to enable Barometer , please connect to betaflight configurator and go to CLI command ,then type the following command:
resource I2C_SCL 2 B10
resource I2C_SDA 2 B11
set baro_bustype = I2C
set baro_i2c_device = 2
save