用C8051F310的定时器来实现定时中断，进而实现在扬声器实现不同声音的输出...

avr单片机atmega8系列芯片内部e2prom使用测试程序，本程序为示例程序，适用于初学者 -avr chip microcontroller series atmega8 e2prom internal testing procedures, the procedures for sample procedures applicable to beginners

24C01 24C02的C51源程序|串口通信C51源程序， 未整理，但编译后的HEX代码可在WS803上直接运行。-24C01 24C02 source of C51 | Serial Communication C51 source, not collate However, the compiled code of HEX at WS803 directly run.

can总线详细设置资料，从网络转来的！呵呵，看看可不可以用！-Bus details can set up information transferred from the network! Oh, look at the possible use!

YEKA手机数据线驱动pl-2303hx drv-clubs mobile data line drive pl-2303hx Drv

Java写的门禁系统。 功能包括： 可以凭借密码、胸卡或指纹进入 身份进行验证 监控室通过按钮直接开启 新职员支持密码进入-Access control system written in Java. Features include: can rely on password, badge or fingerprint to verify identity to enter the control room directly through the button to open a new staff to support the password to enter the

广告机源程序，可以实现任意字的显示，可以是汉字或字母-advertising source machine can achieve arbitrary character, or Chinese characters can be letters

PS2 读取键盘数具,非常好的一个软件PCB-PS2 keyboard to read a few, a very good software, PCB

一个简单实用的单片机键盘扫描程序。键盘为4*4扫描的键盘，通过行列扫描进行键码判断，并通过串行口或者485信号输出键码。应用于银行系统。-A simple and practical single-chip microcomputer keyboard scanner. 4* 4 keyboard for keyboard scanning, scan through the ranks to determine the key code and, through the serial port or a key code signal output 485. Applies to the banking system.

说明：此程序使用标准PS2键盘输入，LCD1602液晶屏输出显示。此样例仅作测试使用 晶振使用12M或者11.0592M,本键盘使用部分字母和数字测试，其他按键不能使用，用 户可以自行扩展。由于开发板和程序的各种参数，程序中没有使用奇偶校验，不保证没有 误码,校验程序请自行添加。-Description: This program uses the standard PS2 keyboard input, LCD1602 LCD output display. This sample is only used for testing the use of crystal 12M or 11.0592M, this keyboard to use part of letters and numbers tests, other buttons can not be used, users can expand their own. As the development board and procedures for various parameters, the program does not use parity, does not guarantee that there is no error, verification procedures to add your own.

I2C通信的程序，用VHDL写的，可用于FPGA和单片机的通讯。-I2C communication procedures, written with VHDL, FPGA and MCU can be used for communications.