hongwai-yaokong-jiema

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)

数字电压表的源程序，可以实现实现测量电路的电压，精确到小数点后面三位数字。附带数字电压表的流程图(Digital voltage meter source, can be implemented to realize the voltage measurement circuit, down to the decimal point three digits.Attached flowchart of digital voltmeter)

说明：  CC2530芯片的使用和无线传感器网络的构建——数据收发无线组网实验(The use of CC2530 chip and the construction of wireless sensor network)

nrf2401 发射机和接收机双向同步跳频，在35个信道上来回跳 超级防干扰(Nrf2401 two-way synchronization of fh transmitter and receiver, jump to and fro on the 35 channels Super tamper-proof)

非常好的一个项目。很值得你学习，值得研究，菜鸟吗都可以看看(Very good item. You are worth learning, worth studying, you can take a look at rookie)

单片机的40个实验，这个很全的，是一个很好的东西，希望大家好好使用它。(SCM 40 experiment, this is very full, is a very good thing, hope everyone to use it. )

一个测试Radius的工具,可以测试Radius服务器是否正确(tekradius this is a good test tool)

利用数字温度传感器DS18B20与单片机结合来测量温度控制器，使用单片机AT89C51,测温传感器使用DS18B20，用3位共阳极LED数码管以串口传送数据，实现温度显示。(Binding to measure the temperature controller, using the AT89C51 microcontroller, DS18B20 temperature sensors, with a common anode three LED digital serial transmission of data to achieve using a digital temperature display and temperature sensor DS18B20 microcontroller.)

有关 C语言的CRC校验的资料，很实用，值得收藏和学习(About the C language, the CRC data, it is practical, it is worth collecting and learning)

说明：  惠普打印机 PCL5 语言 命令函数程序代码参考(hp pcl5 printing command reference)