AD8402驱动程序：基于stm32f103的工程，程序已完美运行,每隔2SLED灯切换一次状态，同时AD8402按照正弦函数表更新。-AD8402 Driver: stm32f103 based engineering program has a perfect run, 2SLED light switch every time the state, while the AD8402 is updated as the sine function table.