里面含有含有5个不同的源代码。他们有是对51内部资源的编程，也有用avr编写的一些例子，希望对大家有帮助-containing five different source code. They have 51 of the internal resources of the program, avr also useful to prepare some examples, and I hope to be helpful

基于C51的SHTXX温湿度传感器的驱动程序，可移植性好，模拟IIC协议-C51 based on the temperature and humidity sensors SHTXX driver, portability, and simulation IIC agreement

利用51单片机做的一个闹钟程序，可以自己设定闹铃时间-err

AT89C51SND1C是AT89C51核心的处理器，包含一个MP3解码器，完全兼容8051的Keil C51编译环境，适合8051使用者的MP3解码应用。-AT89C51SND1C is AT89C51 core processors, includes an MP3 decoder, 8051 is fully compatible with the Keil C51 compiler environment 8051 suitable for user

多年工作有关PCB绘图的总结，适合初学者学习-Years of work-related summary graphics PCB, suitable for beginners to learn

C51很好的IO模拟串口程序，也称软件UART。只需用一个定时器，实现中断接收。程序编写得很规范，有很多个晶振频率和串口频率可选。是一个比较好的软件串口程序。-C51 a good simulation of serial IO program, also known as the software UART. Just use a timer to achieve interrupt reception. Programming very standardized, there are many a crystal oscillator frequency and the frequency of an optional serial port. Is a relatively good software serial programs.

数字指南针的设计文档，全部详尽资料，拿到就可以开发-Digital compass design documents, all detailed information can be developed to get

基于华邦W925E/C240所开发的短信话机、来电显示的C语言源程序-Based on Winbond W925E/C240 developed by phone message, caller ID of the C language source code

快速傅立叶变换！！完成时域到频域的快速转换！用DSPIC完成-Fast Fourier Transform! ! Completion of time-domain to frequency domain conversion of the fast! Complete with dsPIC

利用51单片机的延迟函数 实现流水灯 适合不知道移位函数的初学者-51 MCU delay functions used to achieve water lamp