when全部资料下载-409个when技术资源-虫虫下载站

  Automotive power systems are unforgiving electronicenvironments. Transients to 90V can oc...

📅 2013-11-04

  Handheld electronic devices play a key role in our everydaylives. Because dependability i...

📅 2013-11-05

  Abstract: As electronic systems take over many of the mechanical functions in a car&mdash...

📅 2013-11-10

When a system designer specifies a nonisolated dc/dc powermodule, considering the needed input volta...

📅 2014-12-24

Digitemp Junior – An RS-232 Port-Powered Digital Thermometer Digitemp Jr. is a device that...

📅 2013-10-21

针对目前使用的RS232接口数字化B超键盘存在PC主机启动时不能设置BIOS，提出一种PS2键盘的设计方法。基于W78E052D单片机，采用8通道串行A/D转换器设计了8个TGC电位器信息采集电路，电...

📅 2013-10-10

Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected ...

📅 2013-10-20

AVR32801: UC3A3 Schematic Checklist Features •  Power circuit •  Reset circuit...

📅 2014-12-26

飞机电网故障时，机载电气盒必须在延迟时间内切断电网，保护机载设备。采用AT89S52设计的电气盒测试仪能够测试电气盒保护功能，测量延迟时间。实际应用结果表明，该测试仪具有测量准确、可靠性高、成本低等优...

📅 2014-12-27

在汽车发动机起动时，若发动机起动后起动机不能及时断电，将会烧毁起动机或损坏飞轮齿环；若变速器不在空档位置起动，则起动机的瞬间动力将使汽车位移，还可能引起交通事故和人身安全。为此介绍一种利用NXP P8...

📅 2013-10-15

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