I2C的51源程序

基于单片机的嵌入式USB主机研究与实现，一篇好文章-Based on Single Chip Embedded USB Host Research and realize, a good article

51的GPIO模拟iic的驱动程序，用宏来定义硬件管脚，容易移植，keil平台-51 GPIO IIC driver simulation, using macros to define the hardware pin, easy to transplant, keil platform

在8X8　LED点阵上显示柱形，让其先从左到右平滑移动三次，其次从右到左平滑移动三次，再次从上到下平滑移动三次，最后从下到上平滑移动三次，如此循环下去。 -In the 8X8 LED dot matrix display cylindrical, smooth movement from left to right to first three times, followed by a smooth move from right to left three times, once again moving smoothly from top to bottom three times, the last from the bottom-up smoothing mobile three times, so the cycle continue.

2007年大学生电子竞赛小车控制代码，编译环境为Keil C51，单片机位AT89S52-2007 race car undergraduate electronic control code

单片机控制的语音智能小车，能感应人的命令做出动作。十分好的程序！-Smart single-chip voice-controlled car, the order can be induced to move. Very good program!

使用DS18B20温度传感器设计的温控系统，在数码管上显示当前温度并且温度高于或低于预设值时发出报警声。-DS18B20 temperature sensor designed for the use of temperature control systems, digital tube displays the current temperature and the temperature is above or below the preset value, an alarm sound.

C8051FXXX单片机串口初始化程序，采用c语言编写-Single-chip serial C8051FXXX initialization procedure for the preparation of c language

条码读入CPU 1. 与条码读入器的通讯 1.1 采用标准的UART通讯协议，波特率为9600，没有校验位，一个停止位。 1.2 通讯的过程是单工的，数据流总是从条码读入器到CPU。 1.3 正常的数据传送总是以一个换行符开始，六个数字，以一个回车符结束。 -51

实时时钟芯片DS1302的C51程序列子-real-time clock chip DS1302 the C51 procedures Liezi

用普通51单片机实现多任务 《RTX51中文版》，KEIL+RTX51实时操作系统的说明.rar-MCU 51 with ordinary multi-tasking RTX51 Chinese version , KEIL+ RTX51 description of real-time operating system. Rar