此程序是利用51单片机，控制蜂鸣器接口高低电平，让其发出歌声。...

编译为ICC AVR6.25A ATMEGA16L芯片 MAX7219驱动八位数码管显示-Compiled for the ICC AVR6.25A ATMEGA16L chip MAX7219 LED display driver 8

1602 液晶显示子程序 可直接套用 代替数码管显示必备-Liquid crystal display subroutine 1602 can be directly applied to replace the digital display must

51开发板调试程序，包括LED驱动接口，串口，AD/DA,EEPROM，蜂鸣器，键盘以及16*2LCD驱动模块，并提供单字节和字符串显示接口-51 development board debugger, including the LED drive interface, serial, AD/DA, EEPROM, buzzer, keypad and 16* 2LCD driven module, and provides single-byte and string display interface

红外遥控解码接受程序，遥控码为nec格式，目前使用该遥控码的应用很多-Infrared remote control decoder to receive the procedure, the remote control code for nec format, currently used by the application of many of the remote control code

矿工定位系统,包括单片机原理图,PCB,KEILC51原代码,带瓦斯检测功能,成熟产品正在使用中-Miners positioning systems, including single-chip schematic, PCB, KEILC51 the original code, with gas detection, mature product is in use

HT44780 液晶显示驱动 里面有简单 程序和说明-HT44780 driver inside the liquid crystal display has a simple procedure and description

用两个89S52作的异步串行双工通信之发送程序-89S52 made with two duplex asynchronous serial communications sent procedures

基于MSP430单片机的，GPRS源代码，已经调试成功。-MSP430 MCU-based, GPRS source code, debugging has been successful.

software proteus 7.2 for design the circuit

震动强度的测量 ad转换 八段数码管显示 51单片机-ad leddisplay