HappyModel CrossF4 ELRS AIO Flight Controller (1-2S)
The Happymodel CrossF4 ELRS AIO Flight Controller is a compact and lightweight flight controller designed for micro and ultra-lightweight drone builds.
It features an integrated 4-in-1 ESC with support for up to 2S LiPo batteries, making it ideal for indoor and small outdoor flying.
The CrossF4 ELRS also includes a built-in ELRS receiver, which allows for long-range control of your drone.
Additionally, it comes equipped with a powerful F4 processor, Betaflight OSD, and supports Smart Audio and LED control.
Overall, the Happymodel CrossF4 ELRS AIO Flight Controller is a reliable and versatile option for micro and ultra-lightweight drone builds that require long-range control.
|Flight controller||Firmware target: CRAZYBEEF4DX4.3.2
MCU:STM32F411CEU6 (100MHz, 512K FLASH)
Sensor: BMI270(SPI connection)
Power supply: 1-2S Lipo Lihv battery input (DC 2.8V~8.7V)
Built-in 5A(each) BLHeli_S 4in1 ESC Dshot300 ready
Onboard Betaflight OSD(SPI Control)
Built-in UART ExpressLRS 2.4Ghz receiver(Default firmware ExpressLRS v3.0.1)
Built-in 5V 1A BEC
Onboard voltage detection and current sensor
Built-in Onboard flash 16Mb for Blackbox
|Onboard 4in1 ESC||MCU upgraded to EFM8BB21
Power supply: 1-2S LiPo/LiPo HV (2.8v~8.7v)
Currents: 5A continuous peak 6A (5 seconds)
Support BLHeliSuite programmable
Default Factory firmware: S_H_50_REV16_8.HEX
Support ESC Protocol: DSHOT150/DSHOT300/DSHOT600
|Onboard UART ExpressLRS 2.4GHz Receiver||Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHz
Antenna: enamaled copper wire 31mm length
Telemetry output Power: <12dBm
Receiver protocol: CRSF
Default firmware version: ExpressLRS V3.0.1
The same hardware with Happymodel EP1
Could update firmware via ExpressLRS configurator
Happymodel CrossF4 ELRS AIO Flight Controller (1-2S) pinout diagram.
In the box
- CrossF4 ELRS AIO Flight Controller (1-2S)
- Lipo lead
- Screws and rubber gummies
- This AIO does not include a VTX
Bind procedure is the same like Happymodel EP1/EP2 receiver , need to upgrade your ExpressLRS TX module to V3.X version first.
- Thanks to our team pilot “Jiggy” provide the bind instruction Alternative-Binding-Method-for-UART-Based-ELRS-RXOnboard black box enable methodType the following command to CLI:
set blackbox_device = SPIFLASH
set flash_spi_bus = 2
resource FLASH_CS 1 a14