呕心沥血花了将近一个月编写的打印机程序，可用在89C51系列

ds18b20 温度传感器 硬件设计和软件编程 供大家学习只用 能力有限 大家共同探讨-DS18B20 temperature sensor hardware design and software programming for your learning only limited ability to explore all

单片机控制的双路有源滤波器设计。有用的朋友请下载-Single-chip dual-controlled active filter design. Friend please download useful

FFT的C实现方法 (函数名: 快速傅立叶变换 本函数测试OK,可以在TC2.0,VC++6.0,Keil C51测试通过。)-C-Implementation of FFT

DS1990A的C51读写程序-DS1990A read and write procedures for the C51

SPWM三相波形发生器，可应用于SA4828芯片的应用-SPWM three-phase waveform generator can be used SA4828 chip Application

avr gcc adc source code examples-avr gcc celade source code examples

单片机C51串口中断接收和发送测试例程（含通信协议的实现）-C51 single-chip serial port receive and transmit interrupt routine test (including the realization of communication protocols)

实时时钟芯片DS1302采用串行接口，只需3根引脚便可以完成操作，其使用非常方便。这里采用AT89S52单片机作为外部微处理器，来对DS1302进行控制-Real-time clock chip DS1302 serial interface, only three pins will be able to complete the operation, its use very convenient. AT89S52 microcontroller used here as an external microprocessor to control of the DS1302

DP_51PRO实验仪图形液晶显示实验。先在屏幕上的随机位置显示随机数字(0--9)， * 然后调用画直线函数以屏幕中心为中点画对称的直线，最后显示一个简单的窗口。-Experiment DP_51PRO graphics liquid crystal display experiment. First in a random location on the screen shows random number (0 9),* then calls the function to draw a straight line in the screen center line stipple symmetry, and finally shows a simple window.

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