基于51单片机编写的1602驱动程序，编写环境是keil C 4。基本上都是通用的程序。-Written in 1602 based on 51 single-chip driver, the preparation of the environment is keil C 4. Basically common procedures.

keil-c语言编程错误的分析及解决办法，总结keil编译错误和警告，识别错误类型。-keil-c programming language common error analysis and solutions summary keil compiler warnings, identifying the type of error.