单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。asm源代码

用 89C51单片机系统进行温度实时采集与控制是本设计的主要 内容。本设计介绍的 单片机 温度 自动控制系统的主要 内容包括：系统方案、理论分析、硬件设计、系统调试及 主要技术性能参数。 -89C51 single-chip microcomputer system with real-time acquisition and control of temperature is the main contents of the design. The introduction of the single-chip design of automatic temperature control systems include: system program, theoretical analysis, hardware design, system debugging and main technical performance parameters.

一个LCD菜单绘图程序，通过点阵显示图片，也可显示动态图象！-An LCD menu drawing procedures, through the dot-matrix display images, dynamic images can also be displayed!

DS1820单芯数字温度传感器的基于805X单片机的C程序-DS1820 digital temperature sensor based on the 805X MCU C Program

规约转换 黄花河站四方博瑞小电流接地选线-Statute conversion L. Herbert River Station Quartet-feeder lines

4*4矩阵键盘（查表法） （C51环境）-4* 4 matrix keyboard (look-up table) (C51 environment)

想使用宏晶科技ＳＴＣ系列的ＣＰＵ可以下载本文件，方便编程 -want to use technology-crystal STC series of CPU can download the paper to facilitate programming

Documents and SettingsAdministrator桌面wangluojiaoxuesheji.rar-Documents and Settings Administrator Desktop wangluojiaoxuesheji.rar

这是一个PIC实现音乐播放程序，程序是用汇编写的，调试通过-PIC to achieve this is a music player, the program is written in the compilation, debugging through

PCF566是LCD液晶驱动芯片，此驱动芯片在电表行业使用比较多，上面是PCF566芯片在AVR单片机上使用的驱动子程序，可以移植到其他产品上。-PCF566 is LCD LCD driver chip, the driver chip in the meter industry more, the top chip in the AVR Singlechip PCF566 use driver subroutine, can be transferred to other products.

AT mega88 A/D转换的实现 采用的是外部中断进行控制A/D转换-AT mega88 A/D conversion is achieved using an external interrupt to control A/D conversion