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at89c51snd1单片机SCMM的mp3播放程序源码 (SCMM at89c51snd1 microcontroller mp3 player source code)

说明：  各位C51的爱好者能够看到我的拙作，这离不开龙 啸九天版主的支持，在此，我向他表示感谢，也相信C51BBS会越办越好！(C51 fan you can see my apology, which is inseparable from Long Xiao nine moderator support in this, I thanked him, and believe C51BBS will be better and better!)

说明：  通过计算机25针并口读写SPI总线Flash存储器(25-pin through the computer parallel port read and write SPI bus Flash memory)

交通灯数码管显示4*4键盘修改时间~带仿真图和源代码 模块化编写(Traffic lights digital display 4* 4 keypad to change the time ~ with simulation diagram and source code modular writing)

实现声音导引小车运动，智能小车程序C51代码(Achieve sound AGV Sport, smart car program code C51)

fm31256读写源程序，(fm31256 literacy program. 0000000000000000000000000000000000000000 )

通过单片机实现哈希函数SHA-1，C源程序完全可用，已经测试，外部加密芯片采用DS28E01-100(MCU hash function SHA-1, C source code fully available, and has been tested external encryption chip uses DS28E01-100)

430 单片机的i2c程序，430有i2c集成(this is an I2C program of 430)

1、ADO技术 2、用对话框显示图片 3、对话框动态伸展(1, ADO technology 2, with a dialog box is displayed pictures 3, the dialog dynamic extension)

走马灯，包括原理图和源程序，功能齐全，运用单片机开发的代码(Lantern, including schematics and source, fully functional, use microcontroller development code)