基于单片机的音乐门铃可预存6首歌曲

51单片机基础训练项目之简易计算器.功能：普通整型的加减乘除运算。可由读者自主学习并扩展至浮点运算。-51 MCU-based training program in the simple calculator. Function: ordinary integer addition and subtraction multiplication and division operations. Readers can be extended to self-learning and floating-point operations.

1T单片机延时程序头文件代码，us，ms，s延时直接调用，无需再写-1T delay program header file code for MCU

单片机51的剑杆织机程序. 源程序,调试通过.-the Loom procedures. Source code, debugging through.

《MCS－51单片机实用子程序库》。希望对你的单片机学习有帮助-" MCS-51 SCM utility subroutine library." Want to help you learn microcontroller

This version of the code is compatible only with the AT89C2051 due to the location of the data buffer and stack in RAM. The code may be modified to work with the AT89C1051 by relocating or resizing the buffer and stack to fit into the smaller amount of RAM available in the AT89C1051.

有单片机控制的RS232实现数据的接受和发送的汇编程序-A microcomputer-controlled RS232 for data acceptance and sent assembler

单片机电路图.开发者可借助此51电路原理图，大大简化开发难度，提高效率。-Single-chip circuitry. Developers can take advantage of the 51 circuit schematic diagram, greatly simplified the development of the difficulty and improve efficiency.

该书是单片机入门的一本好书，值得大家一看共同学习-The book is a single-chip entry of a good book, it is worth one U.S. study of common look

AVR脉宽调整的程序，还可以！具有借鉴的价值！-AVR width adjustment procedures, but also! With reference value!

单片机入门教学-Singlechip tutorial