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If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
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There is a coordinate system that does not change, called the base coordinate system or the world coordinate system (each company has a different name, but the principle is the same).
How did ...[Details]
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With the development of science and technology, the application prospects of liquid crystal display modules are broader. At present, they have been widely used in electronic watches, calculators, L...[Details]
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721 Visible Spectrophotometer In colorimetric analysis, the depth of the color of the colored substance solution is determined by the intensity of the incident light, the concentration of the col...[Details]
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On October 29, Silan Micro released its third quarterly report, saying that from July to September 2021, the company achieved operating income of 1.914 billion yuan, a year-on-year increase of 51.98%...[Details]
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Lisa Jackson, Apple’s vice president of environment, policy and social initiatives, has been appointed to the New Jersey Council on the Green Economy, where she will work with other members to suppor...[Details]
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In speaker reviews, especially 2.0 mid-to-high-end speaker reviews, everyone will definitely talk about crossovers. For speakers, crossovers are very important. But people often make mistakes in d...[Details]
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Common faults and repairs of CNC cutting machines
As a mechatronic device, CNC cutting machines often break down due to long-term use and component wear. The following are common CNC cutting m...[Details]
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Hardware Connection: Code: #include reg52.h #include intrins.h #define uint unsigned int #define uchar unsigned char sbit SH_CP = P2^0; sbit DS = P2^1; sbit ST_CP = P2^2; flying temp; uchar c...[Details]
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Recently, foreign media reported that Bosch, an auto parts manufacturer, has launched a new semiconductor technology. This technology can use microchips to cut off the power supply after an electric ...[Details]
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For personal safety, it is necessary to ensure that the machine is powered off, and remove the inverter input power lines R, S, T and output lines U, V, W before operation! First, set the multimeter ...[Details]
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The optical fiber macrobending loss test is described in the national standard GB/T9771.3-2008 as follows: the optical fiber is loosely wound 100 times with a radius of 30mm, and the macrobending l...[Details]
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introduction
Software quality is the life of business. Software testing projects have become more complex and difficult than ever before. In 1979, Glenford Myers proposed the concept of "the purpos...[Details]
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This year, German giant Mercedes-Benz released new cars, the most anticipated of which is the new E-Class. However, the focus of today's report is not the car, but the capacitive sensing steering w...[Details]
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Modern electronic devices have more and more functions, and the high power consumption of these functions has an increasing impact on the environment. Improving power efficiency is one way to reduc...[Details]
PCB Design
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