Features Improved circuit design, better components, and lower electrical noise! DJI HD VTX Connector (Plug-and-Play / No soldering required) FC indicator LEDs for visual debugging With LC filter Specifications MCU：STM32F405 Gyro: MPU6000 / BMI270 (please note this IMU may change from batch to batch due to supply and pricing issues due to current chip shortages with MPU6000) Barometer: No OSD Chip: AT7456E Flash: 16MB (Blackbox flash) UARTS: 6 Motor outputs: 4x (SH1.0 connector) I2C serial: SDA / SLA pads Smartaudio / IRC Tramp VTX protocol supported LED controller: Yes Beeper pad: Yes Firmware target: IFRC-IFLIGHT_BLITZ_F405 Mount pattern: 20x20 mm / 4mm PCB hole diameter Dimensions: 30.5x27 mm Weight: 5g Included 1x Flight Controller Wiring Guide UART 1 for VTX HD / Analog UART 2 for a Receiver UART 3/4/5 for GPS or other sensors that require a serial port UART 6 for ESC Telemetry Tips 1. F405 MCU has not inner UART inverter 2. SBUS、CRSF、ELRS、IBUS、DSM ETC... can be connected to any unused UART_RX ,we suggest you connect to Uart_RX2 3. Frsky SmartPort，Tramp & Smartaudio can be connected to any unused UART_TX, we suggest you connect to Uart_TX1
