LCD1602显示矩阵按键键值

单片机音频通信9170和9200，接收发送源程序(9170 and 9200 microcontroller audio communication, the receiver sends source)

IC(PIC16F690)驱动程序C语言代码，为需要帮助的人提供方便，互相帮助！(IC (PIC16F690) driver C language code, for the people who need help to facilitate and help each other!)

基于51单片机的简单c语言小程序，用于蜂鸣器的测试等(Based on 51 single simple small c language program for testing the buzzer)

这是一份控制方法的C语言实现文档，写的非常好，分享给大家，特别是PID算法，说的还蛮好的(This is a method of controlling the C language document, written in a very good, for everyone to share, particularly in the PID algorithm, that s quite good)

铸造过程中温度场的描述的仿真模拟，可以写到文件中(Casting process described temperature field can be written to a file)

一个以太网帧解析程序，实现以下功能：解析已封装好的Ethernet V2.0帧封装文件（见附件），判断有多少个帧，每个帧的所有字段内容，检测CRC校验是否正确(An Ethernet frame analysis program, the following functions: parsing the encapsulated Ethernet V2.0 frame encapsulation (see annex), to determine the number of frames, each frame contents all fields to detect CRC checksum is correct)

MC9S12系列单片机的学习的资料，里面包括了其重要的技术模块及编程技巧，能帮助大家更好的了解和使用这款单片机(MC9S12 series MCU learning materials, including its important technical modules and programming skills, to help people better understand and use the single chip microcomputer )

pads 布等长线 (cloth pads and other long-term)

循环冗余校验16位的，c语言编程环境，能够正常运行，程序详细注释(16 bit cyclic redundancy check, C language programming environment, normal operation, procedures detailed notes)

ds1302 ATMEGA16L 数字钟的实现(ds1302 ATMEGA16L )