iFlight BLITZ Mini ATF435 is a budget-friendly flight controller with a 20x20mm mounting pattern, making it suitable for smaller 3″ drones as well as standard 5″ drones. The board features an AT32F435RGT7 processor, a BMI270 gyro, and a DPS310 barometer for altitude measurement. It provides 6 UART ports for connecting additional peripherals and includes 16MB of Blackbox memory. The board also features a 5V BEC. Power input supports 3-6S Lipo batteries.