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(Reporters Li Kun, Wu Kaixiang, Meng Jia, Peng Peigen) "Imagine a cold winter day when you just got off work and set the temperature for your home's hot water system and air conditioner on your mob...[Details]
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With the improvement of people's living standards and the enhancement of security awareness, there is an urgent need to develop an automatic alarm system that is oriented to the public, is low-priced...[Details]
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一、functions for handling system time clock_time_t clock_time(void);//return the current system time in clock ticks unsigned long clock_seconds(void);//return the system time in seconds void clock_set...[Details]
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At this point, we still feel amazed at the computer's response to interrupts. We humans can respond to external events because we have multiple "sensors" - eyes and ears that can receive different in...[Details]
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On May 11, the Chengdu Property Management Association issued an urgent notice on further strengthening the management of electric vehicle parking and charging in property service areas. The notice...[Details]
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While power management is critical to the reliable operation of modern electronic systems , perhaps the last "blind spot" that remains in today's systems is the voltage regulator. There is no way f...[Details]
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Linear power supplies can reduce the voltage of AC power and are widely used in the field of electronic design. This article will introduce a linear DC adjustable power supply that can be adjuste...[Details]
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In 2017, the United States passed the Over-the-Counter (OTC) Hearing Aid Act, requiring the U.S. Food and Drug Administration (FDA) to develop a rule to establish a non-prescription hearing aid for a...[Details]
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Muffle furnace is a new generation of intelligent products with high performance mechatronics, suitable for industrial analysis in industries and sectors such as coal, electricity, chemical industr...[Details]
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As the global energy shortage problem becomes increasingly serious, renewable energy is being used more and more widely. In recent years, photovoltaic energy has been greatly developed due to its adv...[Details]
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An oscilloscope is an essential tool for measuring power supply ripple and power supply noise. However, in actual measurements, how to choose the appropriate bandwidth, sampling rate, probe, oscillos...[Details]
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With the rapid development of automotive intelligence and networking, are traditional car companies moving fast enough? At 10 o'clock last night, BMW, a traditional automaker and one of the fastest...[Details]
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As mobile phones become more and more feature-rich, they consume more power. The VGA imagers that were popular two or three years ago are being replaced by 3.2-megapixel imagers with higher-current
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The past year has seen profound changes in China's mobile phone industry. The traditional feature phone market has shrunk dramatically, while smartphones and quasi-smartphones have become the new d...[Details]
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Under uClinux, there are three main Web Servers: httpd, thttpd and Boa. Httpd is the simplest Web Server with the weakest functions. It does not support authentication and CGI. Both Thttpd and Boa ...[Details]