一个俄罗斯方块的源代码，用C语言写的，可以运行。

实验箱上的蜂鸣器发出对应的音调（中音），当同时按下L和1-7时是，蜂鸣器发出低音，同时按下H和1-7时，蜂鸣器发高音。只要按键没松开，蜂鸣器一直发声，直到松到按键。-The buzzer sounded on the test box corresponding to tone (Tenor), when at the same time when you press the L and 1-7, the buzzer sounded a bass, while pressing the H, and 1-7 when the buzzer made treble. As long as no release button, buzzer sound has always been, until the pine to the button.

8051 control CF CARD

c51的资料主要在单片机中的应用，是很好的工作手册-information mainly in the C51 single-chip application, is a good manual

用 89C51单片机系统进行温度实时采集与控制是本设计的主要 内容。本设计介绍的 单片机 温度 自动控制系统的主要 内容包括：系统方案、理论分析、硬件设计、系统调试及 主要技术性能参数。 -89C51 single-chip microcomputer system with real-time acquisition and control of temperature is the main contents of the design. The introduction of the single-chip design of automatic temperature control systems include: system program, theoretical analysis, hardware design, system debugging and main technical performance parameters.

usb host读写U盘！-usb host U-reader!

DS18B20测温，DS1302计时，1602液晶显示，带有蜂鸣器报警，可以设定时间-DS18B20 temperature measurement, DS1302 timing, 1602 liquid crystal display with buzzer alarm, you can set the time

51读写cf卡源码 因工程需要存储大量的数据，今天参考参考德国人的一个基于avr的cf控制程序，移植了一个51上面使用的cf驱动程序-Cf card 51 to read and write source code because the project needs a large amount of data storage, today people refer to a reference to Germany avr based on the cf control procedures, transplantation of a 51 top used cf driver

1602 液晶显示 电子表程序时 分 秒 使用的是新华龙单片机 100脚 的 -1602 liquid crystal display digital watches every minute procedure using a new single-chip 100-pin of Hualong

计算51单片机波特率的小程序，dos版-SCM baud rate calculation of 51 small programs, dos version

Rf2401 receive/send c51 demo