生日快乐音乐播放，汇编编写的扬声器，不是蜂鸣器

通过利用两台步进电机实现悬挂物体运动轨迹的控制，实现从点对点的运动、任意设定圆心的圆周运动，曲线运动。-through the use of two stepper motor to achieve flag objects trajectory control from a point-to-point movement, arbitrary set of circular motion Center, curve campaign.

使用8051弹片机做的步进电机程序,运用了中断等.-stepping motor program , used 8051 mcu and interrupt

利用单片机51加sl811芯片实现对u盘读写的控制，代码仅供大家参考，如有不对之处，敬请谅解-Sl811 increase the use of single-chip 51 chip on the u disk read and write control code for your reference, if doing so after updating

用C语言写的HT1621的驱动程序，非常好的实例。-C language to write the HT1621 the driver, a very good example.

这是一个关于四线马达的使用说明，还是比较详细的，对想用单片机驱动马达的同学来说很实用！-This is a four-wire motors on the instructions, it is quite detailed, right to the students to use microcontroller-driven motor is very useful!

a51 令牌通讯-a51 makes the sign communication

keil c51开发的8279和51单片机通用键盘控制和Led显示及uart通信程序。-Keil decoder developed by 8279 and 51 general-purpose keyboard control and Led Display and uar t Communication Program.

51单片机基础驱动源码，有12864液晶和超声波收发源码及DS18B20温度传感器驱动源码等-51 SCM-based driver source code, there are 12864 LCD, and send and receive ultrasonic source and DS18B20 temperature sensor-driven source code, etc.

利用c8051f020单片机对片内flash进行编程，可利用rom存取数据-by Using C8051f020 right microcontroller chip flash program can be used to access the data rom

Seekfor 字模大师V1.0源码，用于提取单片机需要的汉字字模-Seekfor Fonts Master V1.0 source for the extraction of the Chinese characters SCM needs Fonts