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单片机开发 This telecard reader can read the contain of any telecard until 64 bytes [ 512 bits ] and display i
This telecard reader can read the contain of any telecard until 64 bytes [ 512 bits ] and display it to hyper terminal software, using RS232 port.
单片机开发 This telecard reader can read the contain of any telecard until 64 bytes [ 512 bits ] and display i
This telecard reader can read the contain of any telecard until 64 bytes [ 512 bits ] and display it to hyper terminal software, using RS232 port.
家庭/个人应用 This is a timer using 24 hours max until the pc shuts down, it is tested in windows xp
This is a timer using 24 hours max until the pc shuts down, it is tested in windows xp
其他 three proceses , one proces read some mesages entered from the keyboard until read s EXIT, the the s
three proceses , one proces read some mesages entered from the keyboard until read s EXIT, the the second process kill his son, than kill himself.
电源技术 降压升压型控制器简化手持式产品的DC/DC转换器设计
 
A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...
电源技术 多相DC/DC控制器精度和带宽限制
 
Speed and accuracy don’t always go hand-in-handin DC/DC converter systems—that is, until now. TheLTC3811 is a dual output, fi xed frequency current modeDC/DC switching regulator controller designed for one oftoday’s most demanding power supply applications: highcurrent, ...
单片机编程 CAT823 CAT824 CAT825 带看门狗和手动复位
The CAT823, CAT824, and CAT825 provide basic reset and monitoring functions for the electronic systems. Each device monitors the system voltage and maintains a reset output until that voltage reaches the device’s specified trip value and then maintains the reset output active condition until the de ...
单片机编程 Adding 32 KB of Serial SRAM to
Although Stellaris microcontrollers have generous internal SRAM capabilities, certain applicationsmay have data storage requirements that exceed the 8 KB limit of the Stellaris LM3S8xx seriesdevices. Since microcontrollers do not have an external parallel data-bus, serial memory optionsmust be consi ...
嵌入式综合 LINUX系统分析与高级编程技术
本书介绍Linux环境下的编程方法，内容包括Linux系统命令、 Shell脚本、编程语言(gawk、Perl)、系统内核、安全体系、X Window等，内容丰富、论述全面，涵盖了Linux系统的方方面面。本书附带光盘包括了RedHat Linux系统的最新版本，及安装方法，还包括本书的大量程序代码，极大地方便了读者，为使用和将要使用Linux系统的技术 ...
无线通信 差分電路中單端及混合模式S-參數的使用
Single-Ended and Differential S-Parameters
Differential circuits have been important incommunication systems for many years. In the past,differential communication circuits operated at lowfrequencies, where they could be designed andanalyzed using lumped-element models andtechniques. With the freque ...