QWinOut DIY FPV Drone Quadcopter 4-axle Aircraft Kit :F450 450 Frame + PXI PX4 Flight Control + 920KV Motor +GPS + AT9 Transmitter + Gimbal Camera Mount Brand_Happymodel 8* 1045 Carbon Fiber Propellers

8* 1045 Carbon Fiber Propellers

while version B direct gold-plated sockets on the ESC

The integrated 5v/3A voltage regulator means clean power for all the FC/OSD components and other attached boards such as VTX

256K RAM 3

QWinOut DIY FPV Drone Quadcopter 4-axle Aircraft Kit :F450 450 Frame + PXI PX4 Flight Control + 920KV Motor +GPS + AT9 Transmitter + Gimbal Camera Mount Brand_Happymodel 8* 1045 Carbon Fiber PropellersQWinOut DIY FPV Drone Quadcopter 4 axle Aircraft Kit : F450 450 Frame + PXI PX4 Flight Control + 920KV Motor +GPS + AT9 Transmitter + Gimbal Camera Mount Hardware Specifications: processor 1. 32 2 MB flash STM32F427 Cortex M4, with hardware floating point processing unit 2. frequency: 168MHZ, 256K RAM 3. 32 STM32F103 backup coprocessor sensor 1. L3GD20 3 axis digital gyroscope 16 2. LSM303D 3 axis accelerometer 14 Magnetometer 3. MPU6000 6 axis