AVR单片机解码普通PC键盘码值，解码后通过串口发送到电脑上显示...

用89c51单片机与USBD12结合的电路图和源程序.. -with 89c51 SCM and USBD12 combination of circuit and the source ..

用C51I/O口来驱动两个四位数码管，并且可消隐，降低功耗。-With the C51I/O port to drive the two four digits

IO 口模拟232通讯程序 使用两种方式的C程序 占用定时器0 -IO simulated 232 communications programs use two forms of occupation C program timer 0

8051微控制器上的 DES encryption/decryption used in IC smart cards. Software hasn t been validated and lacks in-line documentation.-8051 Microcontrollers on the DES encryption/decryption us ed in IC smart cards. Software hasn t been valida ted and lacks in-line documentation.

单片机出租车计价器程序，51单片机版的。鱼虾从速-Singlechip Taximeter procedure, 51 single-chip version. Fish and shrimp as soon as possible

热敏打印机AT指令，相对比较全，是开发人员参考的宝贵资料。-Thermal printer AT commands are relatively wide, a developer reference to valuable information.

此程序是用9s12单片机控制直流电机的控制程序，已在实物上调试通过。包含PWM程序、通信程序等-this procedure is 9s12 MCU control of the DC motor control procedures, the physical debugging through. PWM includes procedures, communication procedures, etc.

一个单片机温度控制的完整程序-a complete temperature control procedures

微机键盘和单片机的接口程序,采用了上升沿触发中断服务程序,下降沿触发中断服务程序.-computer keyboard and microcontroller interface procedures using the rising edge trigger interrupt service procedures, falling edge triggering a break in service procedures.

AVR单片机的TWI（IIC）总线功能驱动函数库，可直接调用本函数库驱动24C08等IIC器件。-AVR microcontroller TWI (IIC) bus function driver functions can directly call this function, database-driven 24C08 devices such as IIC.