HummingBird V4 AIO Flight Controller ExpressLRS(ELRS)2.4g with 25-400mw VTX

Notice: This product is a replacement part specifically designed for the Hummingbird V4 BNF drone. It is not intended for any DIY projects. Utilizing this product in DIY activities, including but not limited to integration with non-NewBeeDrone brand frames/motors or any soldering processes, will void the NewBeeDrone warranty. Any inadvertent damage to the flight controller resulting from such DIY activities will not be covered, and all associated costs will be the responsibility of the user.

Specification:

MCU: STM32F411
GYRO：BMI270
VTX:  25mw for Racing/ 100mw and up to 400mw SmartMax temperature control with BeeTX 5.8Ghz Antenna
ESC: 12A BLHeliS pre-flashed with Bluejay 0.19.2 Target: O-H-10 48kHz
ESC Connector: JST-1.0 3Pin
OSD: NBD7456 Graphical OSD compatible with Betaflight OSD
Receiver: 2.4G Antenna with MHF3 connector
Flight Controller Weight: 4.57g(Include antennas and battery connector) 
Flight Controller Size: Outer dimensions: 29x29x7.6mm
Flight Controller Holes: 25.5x25.5mm
Battery input: 1S Only
Uart1: free
Uart2: free
Power Plug: NewBeeDrone NX69 Connector

SPI ELRS3.x receiver (Binding instruction: power on the drone, push the bind button under the flight controller to get into bind mode. If your remote control is not ELRS3.x or above version. You will need to update your remote controller ELRS to 3.x version because betaflight 4.5 will no longer support any lower version of 3.0)
Please read through the SPI base information if you have difficulty with binding

Firmware - Link