PROTEL 99SE快速入门指南，是初学者的良师益友。

8051的UDP协议实现 协议实现--c语言编写 用51单片机实现的。-8051 to achieve the UDP protocol-- c language with the MCS-51 microcontroller.

模拟pwm实现灯的亮度，通过调节其输入脉冲的占空比来实现灯闪烁不是很明显又能看到亮度变化的功能-Analog pwm realize the brightness of lights, by adjusting the input pulse duty cycle to achieve blinking lights is not very obvious to see the brightness can change the function of

一个8路键盘源程序，很简单的，没有用编码，比较经典好用！-an 8 Road keyboard source, a very simple, with no coding, more classic handy!

该压缩包内还有51单片机常用各类外设驱动C程序源码（128*64点阵屏，DS18B20温度芯片，I2C，DS1302时钟芯片，AT24C16（I2C接口）及X5045P（SPI接口）EEPROM等等），每个都绝对可用。每个驱动程序都有一个C文件和对应的H文件，文件名即为驱动芯片类型。-The compressed package of 51 common types of single-chip peripherals drive C program source code (128* 64 dot matrix screen, DS18B20 temperature chip, I2C, DS1302 clock chip, AT24C16 (I2C interface) and X5045P (SPI Interface) EEPROM and so on), each is absolutely available. Each driver has a C file and the corresponding H file, the file name is the type of driver chips.

c51控制1602液晶显示，适合初学者，硬件测试可用，附含1602液晶说明-C51 control of liquid crystal display 1602 is suitable for beginners, hardware testing is available, with 1602 LCD attached note

由"晓风"编写的PLD入门的好教材：pld.rar（中文PDF文档）-from "feng" prepared by the entry PLD good material : pld.rar (Chinese PDF)

基于单片机8051的嵌入式开发指南主要是rty51和UCOS操作系统的开发.-Based on the 8051 single-chip embedded development guide primarily uCOS rty51 and operating system development.

STC89C52单片机 主频：11.0592M 模块名称：SED1520驱动12232液晶驱动-STC89C52 Singlechip frequency: 11.0592M Module name: SED1520 LCD driver 12232 driver

实现单片机对键盘的响应，并进行LCD显示-Realize single-chip microcomputer in response to the keyboard and LCD display

温度传感器用单总线DS18B20，CPU为2051，三个按键，分别为UP，DOWN，SET温度调节上限为125度，下限为-55度。-Single-bus temperature sensor DS18B20, CPU for 2051, three buttons, namely, UP, DOWN, SET temperature regulation maximum of 125 degrees,-55 degrees for the lower limit.