从24c02中读出音乐来并播放音乐

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .

SST公司25系列FLASH存储器C51驱动-25 C51 series FLASH memory drive

温度传感器DS18B20测温+显示+键盘，里面包括KEIL文件和PROTEUS仿真文件-Temperature sensor DS18B20 temperature+ Display+ Keyboard, which includes documents and PROTEUS simulation KEIL document

基于AT89S51单片机和步进电机的国旗升降系统，带语音录放功能。汇编语言编写。-AT89S51-based single-chip stepper motor of the national flag and take-off and landing system, with voice recording function. Compiled languages.

根据键盘的控制，移动字符串Hello或者华东师范大学,行列键盘的7用于字符串左移,8用于字符串下移，9用于字符串右移，5用于字符串上移。按键每按一下向各自的方向移动一个点阵的位置。-Under the control of the keyboard, move the string Hello, or East China Normal University, the ranks of the keyboard for the string to the left of 7, 8 for string down, 9 for string shifted to right, 5 for the string to move. Click the button for each move to their respective location of a dot matrix.

利用8051驱动MAX1898，实现智能化的充电器。-Use 8051 driver MAX1898, realize intelligent charger.

用单片机和数码管，构成数字时钟。可以设定时间和闹钟。-MCU and digital control, constitute a digital clock. Can set the time and alarm clock.

STC89C58RD+的内部EEPROM读写程序-STC89C58RD+ Internal EEPROM read and write procedures

三个点温度进行监视；任意一个测温点大于设定温度报警提示-3-point temperature monitoring any point of a temperature greater than the set temperature alarm

使用DS12C887时钟芯片设计一个多功能时钟，在液晶上显示年月日星期时分秒并按秒更新，具有闹钟设定到时报警功能，可用按键随时调节各个参数。-DS12C887 clock chip designed to use a multi-functional clock, the LCD displays date and then every second week, when the second update, that time has set the alarm clock function keys can be used at any time adjust the various parameters.