LED-dot-matrix

说明：  本PDF文件为市电电压频率测量计的设计说明书！从中能了解相关的电路设计(The PDF file is mains voltage frequency meter design manual! From which to understand the relevant circuit design)

诺基亚5110的驱动程序，主要用于单片机的开发，充当显示模块。(Nokia 5110 driver, mainly for single-chip development, act as a display module.)

SAMSUNG S3C2440开发文档大全---(。)

C语言编程，4X4键盘扫描程序，可以直接使用到51单片机中(C language programming, 4X4 keyboard scanner can be used directly in the 51 SCM)

针对RN8209新型电表计量芯片的校表软件，使用DLT645-2007通讯协议(RN8209 for new electricity metering chip calibration software, communications protocols using DLT645-2007)

CodeWarrior仿真与调试要点，CodeWarrior仿真与调试要点，CodeWarrior仿真与调试要点(CodeWarrior simulation and debugging points, CodeWarrior simulation and debugging points, CodeWarrior point emulation and debugging)

rs232实验 可以看看是综合实验 需要的人 是51的板子 用keil编译(the rs232 experiment to see people in need of comprehensive experimental 51 board keil compiler)

使用IO口模拟I2C时序，包括主机、从机时序。(Using IO port simulation I2C timing, including the host, the machine timing.)

dmc2610运动控制卡编写IO输出，对想编写运动控制的人有非常大的帮组(the dmc2610 motion control card write IO output, very large help group for people who want to write the motion control)

本程序可以读取电离层IONEX数据，可以运行，程序流畅简洁，清楚易懂!!(The program can read the ionosphere IONEX data, you can run the program smoothly simple, clear and understandable!!)