在SPI串口主控同步方式下的十片SD600程序（追灯），由PIC单片机控制，功能都能正确实现-Master Synchronous Serial Port in SPI mode of the 10 SD600 program (chase lights), controlled by a PIC microcontroller, functions can be correctly implemented

流水灯追个点亮的源代码 适用于学习嵌入式开发入门的-Light water chase lit source code suitable for learning Embedded Development Getting Started