接口技术的配套源代码 里面有很多接口技术方面的实例，希望对大家有用。...

函数发生器是一种在科研和生产中经常用到的基本波形产生器，集成函数 波形发生器一般都采用ICL8038或5G8038，而它们只能产生300kHz以下的中低频正弦波、矩形波和三角波，且频率与占空比不能单独调节，从而给使用带来很大不便。本文介绍由LM324和稳压管组成的低频函数波形发生器，该电路能够产生正弦波、方波和三角波信号，频率能以10Hz的间隔在20Hz～20KHz范围内调整。-Function Generator is a scientific research and production often use the basic waveform generator, integrated function waveform generator usually used ICL8038 or 5G8038, and they only have a 300kHz following the low-frequency sine wave, square wave and triangular wave, and frequency and duty cycle alone is not regulated, so as to enable using bring a lot of inconvenience. This paper introduces the LM324 voltage regulator tubes, and the low-frequency waveform generator function, the circuit can produce sine, square and triangular wave signal frequencies of 10Hz to 20Hz at intervals within ~ 20KHz adjustment.

详细讲述了嵌入式C编程，开发工具等，对嵌入式的开发入门很有帮助-embedded C

液位检测程序，可做到四级灵敏度，通过短路冒实现-Liquid Level Detection procedures, four sensitivity can be achieved through the realization of short-run

1、电子地图的导入与导出                      2、电子地图的排序（冒泡，快速）                     3、电子地图的查找索引                                            4、电子地图的更新，修改                               5、二进制的转换 6、经纬度的转换                             

我们第一次初始化 MAC 然后传送和接收数据包 我们第一次传输水管爆裂 在那之后我们看看我们收到的数据包 请注意此示例不使用正确构造的以太网帧 标准的以太网报头： 目标地址、 源地址和帧类型/长度是失踪。 传送数据到远程方必须将添加这些现实生活中应用所需的字段。

ping指令详解, c语言编写，适用于pc机，稍加修改就可以移植到嵌入式系统中。-Detailed ping command, c language, applicable to pc machine, a little modification can be ported to embedded systems.

日历，进行java swing 时间的控件-Calendar

嵌入式技术漫谈中科大bbs版聚讲座-embedded technology university bulletin board Banju talks

UXLINUX 核心编程手册,对于做嵌入是开发的通人应该有参考价值-UXLINUX core programming manuals, for to do is to develop embedded learned person should have the reference value

RS232转RS485电路原理图，值得一看.-RS232 to RS485 circuit schematics, worth a visit.