LCD1602的显示程序，用的是S51单片机，已通过调试。

介绍了在使用pdiusbd12进行usb开发时常遇到的问题以及回答。-Describes the development of the use of pdiusbd12 to usb problems and to answer questions from time to time.

利用单片机实现的控制电梯系统，参考2004年湖北省大学生电子设计竞赛原题设计。-Realize the use of single-chip control of elevator systems, a reference in 2004 in Hubei Province Undergraduate Electronic Design Contest Design the original title.

if you and my gire no probom sex,if you are dog ,good dog ,ok sex

键盘扫描程序 台湾义隆EMC汇编,程序后缀DT C0-C3 R0-R5 4*6键扫-keyboard Scan Taiwan Elan EMC compilation procedures suffix DT C0-C3 R0-R5 4* 6 keys sweep

122*32 点阵 st7920 lcd中英文显示 串行驱动程序-122* 32 dot matrix display in both Chinese and English st7920 lcd serial driver

Interface PS/2 key board-Interface PS/2 key board

这是一个源码程序包，用于C语言对单片机编程。特别适用于c8051f02x单片机。包内共23个文件夹，涵盖了单片机的所有功能模块，特别适用于大学生电子设计竞赛的准备。-This is a source package for the C programming language on the single-chip microcomputer. Especially suitable for single-chip c8051f02x. A total of 23 packages folder, and covers all the features of single-chip module, especially suitable for Undergraduate Electronic Design Contest of the preparation.

实现a/d模数转换，由一个电压值转化为数字并在数码管上显示出来-Realize a/d analog-digital conversion by a voltage value into digital and digital tube display

一本完整书籍，单片机原理与应用，里面有案例-A complete book Theory and Application of single-chip, which has case

fft.c - fast Fourier transform and its inverse (both recursively) -fft.c- fast Fourier transform and its inverse (both recursively)