AD转换器AD7890驱动程序（KeilC51）

自己用汇编编写的键盘的扫描程序 希望和大家共享!-his own compilation prepared by the keyboard scan and you will share!

本文作者采用AT89C2051单片机和温度传感器DS18B20从硬件和软件两方面介绍了一款简易数字温度计的设计过程，  并对硬件原理图和程序流程图作了简洁的描述。数字温度计与传统的温度计相比，具有读数方便，测温范围广，测温准确，其输出温度采用数字显示，主要用于对测温比较准确的场所。-The author of this article using AT89C2051 MCU and temperature sensor DS18B20 from both hardware and software, introduced a simple digital thermometer of the design process, and schematic diagram of hardware and procedures were concise description of flow chart. Digital thermometer with a traditional thermometer, compared with a reading of convenience, a wide range of temperature measurement, temperature measurement accuracy, the output of the temperature digital display, mainly used for more accurate temperature measurement sites.

AVR系列被广泛应用的单片机MEGA8开发(原理图)及例程-AVR Series are widely used in the development of SCM MEGA8 (diagram) and routines, and

运行周立功电脑鼠，具有探索迷宫、记忆功能、-Run ZLG computer mouse, has explored the maze, memory function,

单片机模拟I2C读写看门狗芯片X5045，C51源程序，本人调试通过！-I2C read and write single-chip analog watchdog chip X5045, C51 source code, I debug through!

51单片机使用1602液晶显示和PS/2键盘的示例。其中包括C51源程序（C语言写的），生成的hex文件，keil中生成的各种文件。 其中每句源程序都有详细的注释，很适合初学者。-51 MCU using the 1602 LCD and PS/2 keyboard example. Including the C51 source code (C language to write), the generated hex file, keil generated documents. In which each sentence has a detailed source notes, very suitable for beginners.

单片机的I2C通讯函数，成功运用于视频处理!-SCM I2C communications function successfully used video processing!

实时时钟芯片ds1302的应用和c51程序,调试过的.-ds1302 real-time clock chip decoder and the application procedures, debug before.

89c51的t6963驱动程序 图形写入方式，直接数据水平及垂直方向坐标，并将字库代码地址写入dptr便可使用。 作者：周长盛-89c51 the driver graphics writing, direct data horizontal and vertical coordinates of the direction and character code addresses will be used to write dptr. Author : Zhou Changsheng

该文件包含声控开关的详细电路图和PcB布板图，供大家参考。-The document contains a detailed voice switches and circuit diagram PcB cloth map, for your reference.