主要介绍keil的功能及使用方法，并附有相关实例，及源代码

指纹通讯模块程序，该模块以ATMEL公司的89s52为单片机与指纹模块进行数据通讯，以面向门禁或考勤等应用-Fingerprint procedures for communication module, the module to ATMEL Corporation 89s52 for single-chip modules and fingerprint data communication-oriented applications such as access control or attendance

BU2614 PLL 源程序,直接解压-source code for digital tuning system using BU2614 PLL IC. Please unzip directly.

利用DS18B20采集温度，显示温度到lcd上-DS18B20 collected using temperature, shows that the temperature on the lcd

实现DS18b20数字温度传感器的测温！-Digital temperature sensor DS18B20 realize the temperature measurement!

一个集合DS18B20的多路温度测量系统,加上adc0809数据采集,加上1602液晶显示的综合数据处理系统,有较高学习价值.-DS18B20 a collection of multi-channel temperature measurement system, combined with adc0809 data acquisition, together with the 1602 liquid crystal display integrated data processing systems, which have a higher learning value.

一个用AVR 单片机开发的工程实例，应该对同行有很大帮助-A single-chip with AVR development project examples, it should be of great help to peer

s1d13716的源码 windiws ce 或8位单片机-s1d13716 the source windiws ce or 8-bit MCU

51写的一个例子, 驱动IC为T6963.

51单片机驱动DHT11温湿度传感器并成功在数码管上显示，压缩包内有驱动后的照片。-51 MCU-driven DHT11 temperature and humidity sensors and successfully in the digital tube display, compression packages have driven after photos.

简易数字电压表的设计,利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。-Simple digital voltage meter design, the use of single-chip AT89S51 with ADC0809 to design a digital voltage meter, capable of measuring between 0-5V DC voltage value, four digital display, but requires the use of minimum number of components.