说明：  本人整理的PIC24系列单片机不少程序，都是平时自己编写的。想学PIC单片机的可以看看，里面包含定时器，中断，i2c,spi等常用模块
(I collated a lot of the PIC24 family of single-chip process, are usually prepared their own. I wanted to learn to look at the PIC microcontroller, which contains the timer, interrupt, i2c, spi modules, such as commonly used)