采用AT89C51单片机，可根据电压表IC7135信号读取。

4.asm 4.obj a program for manage the student s data-4.asm 4.obj manage a program for the Studen t s data

用汇编语言实现的可以播放歌曲的是程序，在51单片机上配合蜂鸣器可以播放梁祝的歌曲。-Using assembly language to achieve that can play songs that procedure, in 51 single-chip buzzer can play with the song Butterfly Lovers.

通过用汇编语言编写液晶屏幕显示程序,连接左右液晶地址口和数据口,通过开关来来控制点亮和点灭.点亮开关则显示欢度佳节4个字样,点灭则屏幕是空.-Through the use of assembly language procedures for the preparation of liquid crystal display, LCD address to connect around the mouth and data port, through the switch to control light and point out. Lit switches show to celebrate the festive season four words, point out the screen is empty.

简易的汇编电子琴程序，在通用的PC下运行，没有什么外观可言，通过键盘字母实现按键发声-Simple compilation of flower procedures, the common PC running under no appearance at all, through the keyboard keys letters realize voice

DV12864C (KS0107 KS0108) 演示程序 Keil C51-DV12864C

一个与一个低通滤波器结合可以用作简单、廉价的数/模转换器。其输出可用于驱动电压控制器件，或用于需要模/数转换器采样受控参数的反馈控制系统中。PWM常用于电机控制系统中。-A combination of a low-pass filter can be used as a simple, low-cost D/A converter. The output can be used to drive voltage control devices, or for the need for A/D converter sampling the controlled parameters of feedback control systems. PWM motor control commonly used in the system.

是一些 程序的汇编源代码，需要的话，大家可以下载看看啊 -Is a compilation of some procedural source code, if necessary, you can download to see ah

avr串口通信,适合所有型号的,为刚刚入门的人提供参考-avr serial communications, suitable for all models for the entry of people just provide a reference

详细介绍了编译课程的设计操作

该程序采用汇编语言完成，基于AT89C51adc0809和LCD1602实现数字电压表-The procedure used to complete assembly language, based on the LCD1602 realize AT89C51adc0809 and digital voltage meter