用AT89C2051实现程序A/D转换程序，用PWM模拟输出。

NRF24l01无线232通信 程序代码 C51 发送-NRF24l01

单片机仿真软件proteus做的led流水灯例子，有助于在具备硬件情况下学习单片机-microcontroller simulation software led lic do water lights example, with the help of learning hardware MCU

点阵液晶取模取模软件，里面可以设置很多种方式，纵向取模与横向取模等可以适应各种LCD-Modulus modulus matrix LCD software, which can be set to very many ways, vertical and horizontal modulus modulus, etc., may adapt to a variety of LCD

KeilC51 下作的8*8LED显示程序。更改delay()时间和tab*表中的值，可以显示不同的图形-KeilC51 under the 8* 8LED display program. Change the delay () time and tab* in the table values, you can display different graphics

一款收款机C源代码！因为是几年前的代码了，比较经典，还是共享一下！ 里面有不少算法还是很不错的，注意用三菱16位30802的编译器-?豢 钍???机C?

一款实现des加密的键盘，符合银行加密标准的键盘-A realization of des encryption keyboard, keyboard encryption standard in line with Bank

8051的一些算法，浮点转换程序库，可以直接应用-algorithm, floating-point conversion, you can direct applications

用C语言写的PS2代码，有比较好的通用性，并且在实际项目中用过-Using C language to write code of PS2, has a relatively good general, and used in actual projects

单片机标准键盘PS2与单片机通信这是用C语言写 的哈-MCU standard keyboard PS2 and SCM communication is written in C language in Kazakhstan

非接触式IC卡编程样例232-C3-non-contact IC card programming sample 232-C3