Ultrasonic-Ranging-Module-extension

说明：  430单片机中的led显示模块,对于初学者来说,这个程序简单易懂,是学习430的好帮手(430 in single-chip led display module, for beginners, this easy-to-read program is a good helper to learn 430)

说明：  Ic卡 cpu 卡 发卡源程序 Ic卡 cpu 卡 发卡源程序(ic card cpucard ic card cpucard)

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)

汽车尾灯控制程序，包括左右转向灯，刹车灯，应急灯，(Taillights control procedures, including the left and right turn signals, brake lights, emergency lights,)

51单片机串口调试程序一列,希望对大家有用(51 Single-chip serial debugging a program, in the hope that useful to everybody)

能从SD卡读取MP3文件，并且识别后通过LD3320播放MP3，具体使用只需新建一个.ini系统文件存在sd卡，在里面设置好关键词并且所需播放的MP3文件即可(Read MP3 files from the SD card through the LD3320 play MP3 and identify specific use simply create a new the ini system files sd card exists inside set keywords and required to play MP3 files can)

说明：  power electronic machine model

CAN (CAN )

一个简单的定时器定时0.5s和1s程序，指在教导新手如何使用定时器(A simple timer timer 0.5s and 1s procedures, means to teach novices how to use the timer)

1.可以自动生成十六进制字编码。 2.可以自动C语言格式字符编码。 3.支持GBK和ASCII字符编码查询。(1 can automatically generate a hexadecimal character encoding. 2 can automatically format the C language character encoding. 3 support GBK and ASCII character encoding query.撤消修改)