Our latest BLITZ Flight Controller used in our iFlight BNFs. Ultra fast ATF435 MCU for 2-6S batteries. 20x20 mounting pattern. The perfect match for your new frame. 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: AT32F435RGT7 Gyro: BMI270 Barometer: DPS310 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: IFLIGHT_BLITZ_ATF435 Mount pattern: 20*20mm/φ4 Dimensions: 30.5*27mm Weight: 5g BEC: 5V 2.5A Wiring Suggestion: 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 Telemet Packing List: 1 x BLITZ Mini ATF435 Flight Controller