1.电子琴功能 用实验板上K1~K7作为电子琴的7个按键，每个按键对应一个音符要求当按下其中一个按键，就通过P2.5口输出对应频率信号使蜂鸣器发出特定音符声...

基于AT89C2051的照明系统控制程序，实现照明设备的自动控制。-AT89C2051-based lighting systems control procedures, to achieve automatic control of lighting equipment.

TLC548C, TLC548I, TLC549C, TLC549I 芯片的资料-TLC548C, TLC548I, TLC549C, TLC549I chip information

vb做得邮件发送系统，跟outlook有些相似，-vb doing e-mail system, with the outlook somewhat similar,

atmega128在线升级程序，自编程通过xmodem协议 -atmega128 online promotion procedures, since the programming agreement through XModem

iic参考程序，可以改下串口等，已经很详细了可以自己看程序，比较简单-iic reference program

基于凌阳系列单片机的LCD701液晶驱动程序，已在SPCE61上调试通过-Sunplus based MCU Series LCD701 LCD driver, has been adopted in SPCE61 debugging

单片机的时钟芯片、液晶芯片、以及温度传感器芯片的c语言编程，为单片机和嵌入式开发爱好者提供帮助-MCU clock chip, LCD chips, as well as the temperature sensor chip, c-language programming for microcontroller and embedded developers to help enthusiasts

用AVR单片机实现的乐曲编码程序，使用C语言写的-with AVR MCU music coding procedures, the use of the C language to write

模拟pwm实现灯的亮度，通过调节其输入脉冲的占空比来实现灯闪烁不是很明显又能看到亮度变化的功能-Analog pwm realize the brightness of lights, by adjusting the input pulse duty cycle to achieve blinking lights is not very obvious to see the brightness can change the function of

本地机使用ATDT命令拨号,远程机设为自动响应方式,即可进入联机方式, 进行终 端通信.在联机方式下,按PageUp键上载文件,按PageDn键下载文件,Ctrl-O呼出主菜单, 退出联机方式使用Ctrl-D键.退出终端仿真器主程序使用TC编写.终端方式为VT100.-Local machine using the ATDT command dial, the remote machine is set to automatically respond to the way, you can enter the line for terminal communication. In-line mode, press PageUp key to upload files, download the file by PageDn keys, Ctrl-O exhaled main menu , quit-line use Ctrl-D keys. withdraw from the terminal emulator to use TC to prepare the main program. terminal for VT100.