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In the 80C51 single-chip microcomputer, the clock frequency is known to be 6MHz. Please program P1.0 and P1.1 to output square waves with periods of 2s and 0.5s respectively. Please give the answer a...[Details]
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Compared with traditional types of microcontrollers, AVR has greatly improved and enhanced its structural system, functional components, performance, reliability and other aspects, in addition to...[Details]
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As mobile phones, MP3, PMP, DC/DV and other handheld electronic products become more and more popular, lithium metal (Li) and lithium ion (Li+) batteries are becoming more and more common. Most of th...[Details]
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According to foreign media reports, U.S. stocks closed mixed, with the Dow Jones Industrial Average closing down slightly, and the Nasdaq Composite Index rising for the sixth consecutive trading day,...[Details]
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This example uses 1602 driven by 5V voltage, with backlight, can display two lines, 16 characters per line, cannot display Chinese characters, has a built-in ASCII character set library containing 12...[Details]
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According to news on September 6, Arctic Xiongxin recently announced that the first independently developed chiplet interconnection interface PBLink based on the domestic "Chiplet Interconnect Interf...[Details]
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Sina Digital News reported in the early morning of September 17 that Apple held its fall conference yesterday. In addition to launching the new iPad and Apple Watch, it also announced the relea...[Details]
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LED light emitting diode is a solid-state semiconductor device that can convert electrical energy into visible light. It can directly convert electricity into light.
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1. Modify the IP address of Tiny6410 Linux system: vi /etc/eth0-setting
2. Ubuntu14.04 automatically logs in to the system as root: /etc/lightdm/lightdm.conf
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Currently, full-screen mobile phones come in a variety of forms, from notch screens, water drop screens to punch-hole screens. There are corresponding products for each screen form factor. Recently, ...[Details]
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DC/DC模块电源以其体积小巧、性能卓异、使用方便的显著特点，在通信、网络、工控、铁路、军事等领域日益得到广泛的应用。很多系统设计人员已经意识到：正确合理地选用DC/DC模块电源，可以省却电源设计、调试方面的麻烦，将主要精力集中在自己专业的领域，这样不仅可以提高整体系统的可靠性和设计水平，而且更重要的是缩短了整个产品的研发周期，为在激烈的市场竞争中领先致胜赢得了宝贵商机。那么，怎样正确合理地...[Details]
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Pneumatic circuit diagram of welding tongs.
Safety function protects the device from starting, load voltage US2 is disconnected
Structure in which the safety function ...[Details]
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In the era of mobile Internet, the main function of smartphones is no longer to make calls or send and receive text messages: online chatting, video, live broadcast, mobile games, and reading have ...[Details]
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Radar level meter is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic com...[Details]
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In real life, many people forget to bring something when they go out, such as keys, wallets, etc. Nowadays, mobile payment is so convenient that it is normal to forget to bring wallets, but keys must...[Details]
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