DIY Quadcopter-How to build a quadcopter

First step、DIY build a RC 4Axis Multi quadcopter Total items include:  ...  Multi-Rotor Air Frame Flame Wheel KIT (bag)*1  ...  1000KV Motor installed base*4  ...  30A ESC*4  ...  Board*1  ...  Circuit board*1  ...  Firmware Loader USB*1 7