PIC18F4550 SD卡，USB

51单片机的一些例子 我用过很好用的又需要的-MCS 51

由C 语言实现的tl549 利用的是KEIL环境已经得到验证-Achieved by the C language using tl549 is KEIL environment has been tested

单片机实现传输的协议 -the agreement

这是单片机程序，需要一个GSM模块，用单片机控制GSM模块收发短信。-This is the SCM process, which takes a GSM module, using SCM control GSM transceiver module SMS.

这是一个简的电子屏幕，用于小型车间，能显示年，月，日。计划产量，实际产量都可以显示在板上。我用protus实现硬件仿真，并最终有实际成品出来。-This is a simple electronic screen for the small workshop, to show the year, month, day. Program output, actual output can be displayed on the board. I realize protus hardware simulation, and ultimately have the actual finished product out.

基于ARM7-LPC2368芯片制作USB声卡，在Windows XP环境下自动识别声卡，并加载驱动。-Based on ARM7-LPC2368 chip production USB sound card, in the Windows XP environment, automatic identification sound card, and load the driver.

键盘扫描的一种方法经过调试可以运行!键盘扫描的一种方法经过调试可以运行-A method of scanning the keyboard after debugging can run! Keyboard scan after a method of debugging can run

msp430 i2c存储程序，430F169读写CAT24C04的程序-msp430 i2c stored procedures, 430F169 read and write procedures for CAT24C04

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

MCS51外部中断1和定时器T0的应用，外部中断1连接一个按键，通过调节按键改变定时器的值，定时器输出连接一个蜂鸣器-MCS51 and one external interrupt timer T0 applications, external interrupt 1 to connect a button, through the adjustment button to change the timer value, the timer output to connect a buzzer