pid参数的调节方法，对pid参数的选定有很大帮助，是前人的总结不可不看。...

用8位数码管组成显示电路提示信息，当输入密码时，只显示“8.”，当密码位数输入完毕按下确认键时，对输入的密码与设定的密码进行比较，若密码正确，则门开，此处用LED发光二极管亮一秒钟做为提示，同时发出“叮咚”声；若密码不正确，禁止按键输入3秒，同时发出“嘀、嘀”报警声；若在3秒之内仍有按键按下，则禁止 -With 8-bit digital tube display circuit message, when the input password, only shows "8.", When the median enter password press the confirm button when finished to set the password with the password for comparison, if the password correct, then the door opened here with a bright LED light-emitting diodes as a matter of seconds suggests that at the same time issued a "ding dong" sound if the password is not correct to prohibit the importation of key three seconds, at the same time issued a "嘀,嘀" alarm sound if within 3 seconds press the button there, then the prohibition of

计算机数据结构c语言描述。 与教材配合（严蔚敏）。-C language description of a computer data structure. And materials to complement (Yan Wei-min).

将文本txt格式转换为tif图像格式的范例程序，可用于将数据文档进行传真前使用！-text txt tif format conversion of image formats example, may be used for fax data files before using!

本文结合555Datasheet，图文并茂地的介绍了如何阅读集成电路的Datasheet-555Datasheet this paper, the illustrations of how to read IC Datasheet

武汉大学 朱庆教授主讲的DTM的PPT希望对大家有帮助。-Wuhan University Professor Zhu Qing topics of the PPT DTM hope to be helpful.

Enfora公司最新GPRS产品规格文档-Enfora" s latest GPRS product specifications documentation

Color TFT-LCD Module LQ6BW506 (Car Navigation) - Color TFT-LCD Module LQ6BW506 (Car Navigation)

PC104PLUS总线英文技术文档。开发PC104总线必看资料。-Bus PC104PLUS technical documentation in English. PC104 bus information to develop a must-see.

RTF 文件格式-RTF file formats

一篇关于支持容错硬实时系统的固定优先级分配算法的论文-support for a hard real-time fault-tolerant system of fixed priority allocation algorithm papers