HummingBird V3.1 AIO Flight Controller ExpressLRS(ELRS)2.4g with 25mw VTX

This is a replacement Flight controller for Hummingbird F4 V3 ELRS BNF it will be compatible with the Hummingbird Mark3 VtxCamera.  Specification: Hummingbird V3.1 ELRS AIO Flight Controller Spec: MCU: STM32F411 GYRO：BMI270 VTX:  25mw with BeeTX 5.8Ghz Antenna ESC: 12A BLHeliS Pre-Flash with Bluejay 0.20 target: O-H-5 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) RS 3.23 Flight Controller Size: Outer dimensions: 29x29x7.6mm Flight Controller Holes: 25.5x25.5mm Battery input: 1S Only Uart1: free Uart2: free Power Plug: Nectar Connector Gold Plated PH2.0 Solid Pin SPI ELRS3.1 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 ELRS3.1 or above version. You will need to update your remote controller ELRS to 3.1 version because betaflight 4.4 will no longer support any lower version of 3.1)