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After several years of development in China, the construction of intelligent residential areas has formed a series of standards, which meet the requirements of different income groups for intelligent ...[Details]
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After wireless technology entered the embedded system, the test and measurement work has become more and more complicated. The efficient debugging and troubleshooting of a system often requires multi...[Details]
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For a basic introduction to sysfs and platform, please refer to the blog post . Platform model driver programming requires the registration, matching, and mutual binding of platform_device (device) a...[Details]
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The weather in Xi'an has been getting colder and colder recently. The weather forecast shows that the lowest temperature this week is only 2℃. More and more people are wearing winter clothes on the...[Details]
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The degradation of battery performance is a natural result of use and aging, but it is also accelerated by lack of maintenance, harsh operating environments, and poor charging practices. The follow...[Details]
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1 Design Concept and Principle 1.1 Design Concept With the rapid development of technology in the field of digital home, there will be more and more value-added services on multimedia terminals. Brow...[Details]
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The balance and trade-off between security and convenience is key to all access control, including homes, businesses and data. 20 years ago, physical keys were replaced by low-frequency radio freq...[Details]
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Sensor is a commonly used detection instrument that can convert the measured information into electrical signal output according to certain rules. It is widely used in many fields. What is the measur...[Details]
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The selection of flow meter often plays an important role in whether the meter can be used successfully. The selection of the meter is difficult due to the complex conditions of the measured object an...[Details]
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On May 24, TCL Huaxing’s official account showed that at the SID2022 exhibition, TCL Huaxing launched its first 17.3-inch 3K thin and light touch screen. Image source: TCL Huaxing It is reported th...[Details]
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Samsung Galaxy Gear will be officially released at 18:00 on September 4th, local time in Germany (1:00 am on September 5th, Beijing time). This is the first time in many years that Samsung has been...[Details]
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Design and Implementation of CAN/RS232 Interface Card
Controller Area Network (CAN) belongs to the category of fieldbus. Its bus specification has been formulated as an international stand...[Details]
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The single-chip microcomputers used in industrial process control and intelligent instrumentation are inevitably subject to various electromagnetic interferences due to the often harsh field condition...[Details]
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According to foreign media reports, researchers at the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) have designed and tested a new wireless charging solution that doubles the powe...[Details]
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Carbon dioxide is the most ideal benchmark for measuring the air quality in a car. It is more sensitive than other air quality indicators. The carbon dioxide content shows obvious changes in differ...[Details]
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