软件模拟串口

单片机的电机控制程序，实现正反转，转速控制，这是简单的电机控制入门学习佳作-Single-chip motor control process, achieve positive, speed control, it is easy to learn the fine motor control entry

美国ISD公司的ISD4000系列的ISD4002录放程序 -The United States ISD

单片机通信源程序,为串口的发送和接收程序.-Single-chip communication source for the serial port of the sending and receiving procedures.

能够将语音先进行录制，然后在回放，适合应用在一些需要语音播报功能的设备上-Able to carry out a voice recording, playback and then, suitable for broadcast in a number of the needs of voice-enabled devices on the

单片机USB接口驱动,适用于AT89C51SND1C-SCM USB drive, applicable to AT89C51SND1C

基于pic的DS1302串行实时时钟程序-Pic based on the DS1302 serial real-time clock procedures

NOKIA5110 51单片机程序，keil2环境。-NOKIA5110 51 single-chip process, keil2 environment.

主从报警系统，单片机编程，是电子课程设计做的东西-master alarm system, microcontroller programming, electronic design courses do things

高精度实时时钟-SD2001驱动程序，在要求较高精度的地方可以作为参考资料。-High-precision real-time clock-SD2001 driver in place require a higher accuracy can be used as reference materials.

AT89S51,AT89S52,AT89S53单片机的引脚，内部组成结构详细资料说明。英文资料。-AT89S51, AT89S52, AT89S53 MCU pin, the internal composition of the structure of detailed information. And English languages.