Happymodel Diamond F4 ELRS AIO FC Built-in OpenVTX ESC OSD Receiver

Specification :
Flight controller
- (ELRS SPI RX version) DiamondF4 ELRS FC Firmware target: CrazybeeF4SX1280
- MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
- Sensor: MPU-6000 or ICM20689 or BMI270(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 OPEN VTX
- Built-in SPI ELRS V2.0/Frsky receiver
- Built-in 5V 1A BEC

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 ELRS V2.0 receiver Version
- Packet Rate option: 50Hz/150Hz/250Hz/500Hz
- ExpressLRS Firmware version: V2.0
- RF Frequency: 2.4GHz
- Antenna : Enameled copper wire antenna
- Telemetry output Power: - Receiver protocol: SPI ExpressLRS
- Compatible with ExpressLRS V2.0 TX Module
- Couldn’t flash separately ExpressLRS firmware

Onboard 5.8g OPENVTX
- Firmware version: OPENVTX
- Smartaudio v2.1
- PIT Mode support
- RCE Mode support
- Channels:48ch
- Transmitting Power: 0/RCE/25mw/100mw/400mw
- Power supply: DC 5V
- Current (5v):