The Mamba F405 Mini Mk3.5 is a 20x20 betaflight flight stack with 30A Blheli_S 4in1 ESC. Despite the small form factor this is a highly capable flight stack that is very affordable. New Features Add I2C function When you connect the USB, the receiver and OSD settings can be saved Increase the pad area BEC short circuit protection TVS instant high voltage protection 30V Upgraded the anti-interference cable Use Type C The pad area of Mini flight controller (20×20) increased by 140% making soldering much easier. Add self-recovery insurance to the receiver's 5V power supply Increase the camera VCC power supply pad The standard flight controller (30.5×30.5) adds a spare pad Gyro uses an independent Low Dropout Regulator (Low Dropout Regulator) and reduces ripple interference FC Specifications MAMAB Basic F405MINI MK3.5 MCU: 168MHz STM32F405RGT6 GYRO: MPU6000 Barometer: Yes OSD: Yes Blackbox: 16M Flash Memory Uarts: 5 Set ESC Soft: Dshot300/600 Power Led: Yes LED Controller: BF LED RSSI: Yes Buzz: Yes Input: 2~6S Lipo (8.4~25.2V) TVS Protection: Yes BEC:3.3V 0.5A& 5V 2.5A MOUNTING: 20mm, M2 ESC Specifications MAMBA F40 BLS INPUT VOLTAGE: 3~6S Lipo (12.6V~25.2V) CONTINUE CURRENT:40A×4 BURST CURRENT:50A (10S) BEC: No Target:BLHeli_S CH40 SOFT: Dshot300/600 TVS Protection: Yes MOUNTING: 30.5mm/M3 Kit Contents 1 x Mamba F405 Mini Betaflight Flight Controller 1 x Mamba 30A BLheli_S ESC