Flight control board of unmanned aerial vehicle

The utility model discloses a flight control board of an unmanned aerial vehicle, which comprises a main controller, an auxiliary controller and a power supply circuit, the power supply circuit supplies power to the main controller and the auxiliary controller, the main controller is connected with a Type-C socket, a BOOT button, a RESET button, a pin header expansion interface and a female header seat interface, and the main controller is connected with the auxiliary controller through a negation circuit. The system is good in expansibility and more in expansion interfaces, and improves the stability. 本实用新型公开一种无人机的飞控板，其包括主控制器、协控制器、电源电路，电源电路为主控制器、协控制器供电，所述主控制器与Type-C插座、BOOT按键、RESET按键、排针拓展接口、排母座接口连接，所述主控制器通过取反电路与所述协控制器连接。本实用新型拓展性好，拓展接口多，提高了稳定性。