based on the C51 MP3 schematics. Students do for a long time. Within circuit. Fo...

用8051控制DDS信号发生器，产生1HZ-10MHz的正弦波/三角波/方波-DDS with 8051 control signal generator, producing the 1HZ-10MHz sine/triangle/square wave

单片机通过Modbus协议与HMI通信.rar-microcontroller through an agreement with HMI Modbus communications. Rar

sanDisk sd卡标准协议手册，很好的资料-sanDisk sd card standard protocol manual, very good information

利用51单片机对RTL8109进行控制，实现以太网通讯功能。-The use of 51 single-chip control of RTL8109, Ethernet communication functions.

73K222AL单片式调制解调器与单片机的接口电路.包含文档说明、电路、源代码。-linking 73K222AL monolithic modems and microcontroller interface circuit. Includes document shows that circuit, the source code.

设计很好的一个单片机232处理程序，应用于单片机处理速度慢，上位机数据快的情况下-Well-designed a microcontroller 232 handler, used in single chip processing speed slow, fast PC data in case of

硬件描述语言，对学习EDA的人，特别是初学者都有很大的参考价值。-hardware description language, to learn the EDA people, especially beginners have great reference value.

用89C2051实现的软PLC。PLC程序存在24C04,用按健输入程序，数码管显示，程序以解释的方式执行。-89C2051 achieve the soft PLC. There 24C04 PLC procedures used by Kin importation procedures, digital control, to explain the procedures implemented.

mcu-reset.rar

C源程序开发，关于液晶显示的C程序编写，可以作为参考 -C source development, LCD on the C programming can be used as reference