Flight controller
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Gyro Sensor: Updated to ICM20689 since V3.1 version
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 Open VTX
Built-in SPI ExpressLRS 2.4GHz receiver
Built-in 5V 1A BEC
Flight controller firmware target: CRAZYBEEF4SX1280
Onboard 4in1 ESC
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
Onboard SPI ExpressLRS 2.4GHz Receiver
Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHzAntenna : SMD antenna
Telemetry output Power: <12dBm
Receiver protocol: SPI ExpressLRS
Could bind with Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX
Onboard 5.8g VTX
Output power: 0mw~400mw switchable
Frequency: 48CH
Input voltage: 3.3V~5.5V
Current consumption: 300mA(type)
Frequency: 5.8GHz 6 bands 48 channels(include Race band)
Smartaudio V2.1 ready
Onboard voltage and Amperage meters settings
Voltage meter scale setting 110
Amperage meter scale setting 1175
