stc单片机头文件，不需要再修改仿真软件就可以用

I2C接口的ADC应用PCF8591，c51原代码。编译通过。-I2C Interface Converters application PCF8591 which, c51 original code. Compile.

学习C51的同学， 可以看看这个 ， 有了这个， 保你学习进度可以提升3成速度。-If you wanna learn C51 more fast, this resoure maybe give you a helper.

51读写硬盘的程序模块,编译完全通过,移植方面,实用.-literacy drives 51 program modules, compile full, transplant and practical.

此为一个详细的程序源代码 由单片机PIC16F873检测电平，并送至1802显示，包含各种操作功能-This is a detailed source code from the single-chip PIC16F873 detection level, and to the 1802 show, including a variety of operating functions

深入了解内存-Deeper understanding of memory

AVR简单的串口程序，适合初学者学习，可以直接应用-AVR simple serial program, suitable for beginners to learn, can be applied directly

8279初始化以程序，键盘处理程序以及显示子程序-8279 initialization procedure, keyboard and display processing subroutine

develop develop develop develop develop develop -develop develop develop develop develop develop develop develop develop develop develop develop

一个电容计的51源代码，我自己参加电子设计大赛使用的。-a capacitance of 51 source code, I participate in the electronic design competition to use.

此程序为单片机开发过程中的串口通信演示程序。用 汇编编写，供参考。-procedure for microcontroller development process of serial communications demonstration program. Using a compilation prepared for reference.