是一款完整的环路供电型4 mA-20 mA数模转换器(DAC)，专为满足工业控制领域智能发射器制造商的需求而设计。作为一种完全集成的高精度、低成本解决方案，该器件采用紧凑型TSSOP和LFCSP封装
AD5421 DATASHEET AD5421 DATASHEET AD5421 DATASHEET (2012-11-13, C++, 868KB, 下载9次)
RF2401开发文档，可用射频开发参考，杭州飞拓公司的
RF2401 development of documentation, reference can be used to develop RF (2009-05-26, C++, 115KB, 下载8次)
彩信完全开发参考文档，适合任何阶段的开发人员使用，只要你英文水平足够强
MMS fully developed reference documentation, suitable for any stage of the development of the use, as long as you are strong enough standard of English (2008-12-28, C++, 1038KB, 下载4次)
JoyOA在业内首次提出“快乐办公”的概念，并具备业内领先的四大技术：
1、大文件上传技术
一般情况下通过Web方式上传文件，因技术的限制，只能上传下于4M甚至2M的文件，美特易通过自主研发的大文件上传组件，彻底打破这一局限，能够上传高大1000M的文件。
2、多角色管理技术
一个用户可同时具备多个权限，通过角色切换可以轻松完成不同部门的工作或管理任务。
3、指纹认证技术
为安全性有严格要求的企业或单位提供指纹识别登录系统，让你的系统像银行保险箱一样安全。
4、Web情报分析技术
监控竞争对手的产品、收集您感兴趣的财经信息、分析各大网络媒体上的热点消息，我们为您提供了强大的情报分析系统。
JoyOA 历经锤炼，吸取同类产品之精华，快乐办公，从JoyOA开始……
JoyOA the first in the industry "Happy office" concept, and with the four industry-leading technology : one, file uploads technology under normal circumstances through Web upload documents, due to technical limitations, only under upload 2M to 4M or even the document meete through our own research and development of large file uploads components, a complete breakdown of this limitation, tall 1000M able to upload the document. Two more of a technical management role users may also have a number of powers, through role-switching can ease the efforts of various departments, or administrative tasks. 3, fingerprint authentication technology for the strict safety requirements of the business or agency to provide fingerprint identification system log, let your system as safe as bank saf (2006-04-15, C++, 2823KB, 下载30次)