30.5x30.5mm Omnibus F4 Flight Controller AIO OSD 5V BEC and Current Sensor Specification: Item Name: Omnibus F4 FC AIO OSD BEC and Current Sensor Mounting Hole: 30.5x30.5mm MCU: STM32F405 ,  CRT6, 8K Sensor: MPU6000 Input Voltage: 2-6S Lipo - BEC Output: 5V 3A - Integrated with OSD, supports BF Ground Station adjust OSD - Built-in Current Sensor to monitor current Firmware: betaflight_3.2.0_OMNIBUSF4SD Receiver: Support PPM, SBUS, IBUS, DSM2/ DSMX Receiver Size: 42x36mm Weight: 9g Features: - STM32F405 CRT6, refresh rate up to 8K - PCB 3OZ copper enhances current stability and cooling fast - 5V 3A BEC output - Exposed pad for easy soldering - Integrated OSD,  no need to flash firmware additionally, debug OSD via BF ground station.  - Integrated current meter to monitor the real-time power consumption  - Adjust the PID by OSD via remote control - Adjust the VTX via open ports such as power, frequency band, frequency point (Note: The VTX should have this function like TBS one and the upcoming - DYS VTX.) - With 4 damping balls, it reduces vibration to make it fly stably.  Instruction diagram pictured: 1.  M1-M4 :  ESC Power Cable 2.  V+ & V-:  ESC's "+" & "-" 3. BOOT  button: to flash firmware 4. +5V: output 3A, can connect VTX, Camera and receiver 5. RX6 (S): Connect SBUS Receiver 6. RX1 (D): Connect DSM2/DSMX/IBUS Receiver 7. PPM: Connect PPM Receiver 8. RX3 , TX3: Series UART 3 9. Buz+ & Buz- : Possitive Buzzer "+" and "-"   Package Includes: 1x Omnibus F4 Flight Controller 4x Anti-vibration Rubber Shock Balls