串口扩展芯片，可以扩展单片机的串口，使单片机的串口由一个变为3个甚至更多，降低成本。...

DS1302读写一体化C51源程序-DS1302 source code reader integration C51

单片机实现和PS2键盘的接口，C51语言编写，记不清什么时候网上找的了。-MCU and PS2 keyboard interface, C51 language, could not remember what time of the find online.

单片机51环境下的字库代码122*32点阵的液晶显示-under the font code 122* 32 dot-matrix LCD

编译环境：ICC AVR 6.31A 单片机：AT90S8515 PC.0出音乐信号，INT0，INT1分别接下一首、播放/暂停键 开机处于暂停状态，按下播放/暂停键开始放音，自动播放完8首，会再进入暂停状态。 所有的暂停状态都采用掉电模式。 -build environment : ICC AVR microcontroller 6.31A : AT90S8515 PC.0 musical signal INT0, INT1 respectively took one, Play/Zantingjian Boot suspended, press Play/Zantingjian start of audio, automatic broadcast End 8, will enter the state. All the suspended power-down mode is used.

msp430 User Guideq.rar -msp430 User Guideq.rarmsp430 User Guideq.rar

C8051F120平台下LCD240128显示字符,中文的C程序,编译通过并实际使用!-C8051F120 platform LCD240128 show characters, Chinese language C program, compile the adoption and actual use!

步进电机仿真项目，Protues仿真，程序简单，适合初学者。-Stepper motor simulation project, Protues simulation, the procedure is simple, suitable for beginners.

51单片机产生锯齿波的程序-51 SCM procedures have Sawtooth

键盘输入程序,很好用得,使用AT89S52单片机-keyboard input program, easy to use, use SCM AT89S52

AT24C64 Keil C 代码-AT24C64 Keil C code