键盘和发光数码管显示，里面包含keyboard和led两个工程文件。

单片机与语音芯片接口程序，C代码，简单使用。-SCM and voice-chip interface program, C code, simple to use.

一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。-a 75HZ bell flow real-time detection procedures, high sensitivity, can be used for phone calls Chu flow detection.

用89s52,访问ZLG7290(LED数码显示)-By 89s52, visit ZLG7290 (LED digital display)

MSP430 IAR 汇编器用户指南.rar -MSP430 IAR 汇编器用户指南.rarMSP430 IAR 汇编器用户指南.rar

红外遥控器的接收程序的另一个版本，其中的显示驱动不同-infrared remote control procedures for the reception of the second version, which shows the different drives

AD型单片机使用手册-AD-SCM Manuals

8253的初始化程序举例: 例1：选择2号计数器，工作在3方式，计数初值为533H（2个字节），采用二进制计数。其初始化程序段为 MOV DX，307H ；命令口 MOV AL，10110110B ；2号计数器的初始化命 令字 OUT DX，AL ；写入命令寄存器 MOV DX，306H ；2号计数器数据口 MOV AX，533H ；计数初值 OUT DX，AL ；选送低字节到2号计数器 MOV AL，AH ；取高字节送AL OUT DX，AL ；后送高字节到2号计数器 -8253 initialization procedures examples : Example 1 : Select counters on the 2nd, in three ways. Counting for the initial 533H (2 bytes), a binary counting. Initialization of its procedures for MOV DX, 307H; I ordered MOV AL, 10110110B; on the 2nd Counter initialize command word OUT DX, AL; write commands Register MOV DX, 306H; data on the 2nd Counter I MOV AX, 533H; Counting initial OUT DX, AL; low-byte sent to the 2nd Counter MOV AL, AH; With a high-byte send AL OUT DX, AL; evacuations high byte counter to the 2nd

mzl05液晶模块的ARM驱动程序，有注解！LPC2131调试通过-ARM LCD mzl05 driver has comments! Debugging through LPC2131

一个4*4键盘程序，当有按键按下时将在数码管上显示出按下的字符-A 4* 4 keyboard procedure, when the button is depressed will have in the digital control on the press shows that the characters