通讯设置程序，主要是串口通讯子函数和控制数据流。

低成本m48+热敏电阻做多路温度报警装置显示和音乐！

时钟ic DS1302的驱动程序。开发环境是在c51下。希望给大家做个参考。-clock ic DS1302 the driver. The development environment is under decoder. We hope to be a reference. Thank you! !

AT89C51的有关语音芯片-isd4004的驱动程序-AT89C51 voice chip on the driver-isd4004

系统的最小板程序，可以作为其他开发的基础！可以通过键盘控制！-the smallest board procedures, can be used as the basis for other development! Keyboard control can!

基于51系列单片机的与PC通信(RS232)的应用 正在学习单片机,编来-based on the 51 series microcontroller and PC communications (RS232) is currently studying the application microcontroller series to try

一款单片机开发板的资料，对于想设计开发板的人有知道作用，看看别人怎么做到的。-new microcontroller development board information for the design and development board would have to know the role and see how others do.

一个基于单片机的系统设计，快热式电热水器的-MCU-based system design, fast heat-type electric water heaters

转载 曼码调制的非接触ID卡通用读卡程序编制 C语言代码程序如下： . /*H4001只读卡读码程序*/-reproduced Man Code Modulation non-contact reader ID cartoon programming with C language code is as follows :./* Decoding CD-card reading* /

C8051F120 ISP下载程序，通过串口可以更新程序，实现硬件的自动升级，更新程序大小为62KB-C8051F120 ISP download programs through the serial port can update procedure, automatic hardware upgrades, updates size is 62KB

DS18b20温度计,可以检测温度的变化，精度高-ds18b20