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The figure shows a circuit diagram of an operational amplifier series-connected adjustable voltage-regulated power supply, whose output voltage can be continuously adjusted between 6 and 25 V, and th...[Details]
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This is a special eye surgery 600 kilometers apart. The "patient" is at the Sun Yat-sen University Zhongshan Eye Center in Guangzhou, while the doctor is far away at the Hainan Eye Hospital in Haik...[Details]
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1 Introduction This article will analyze how to use CC2530 to implement a wireless serial port. Some codes will be listed and the specific operation of CC2530 will be analyzed. The specific content o...[Details]
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Solibro, a CIGS (copper indium gallium selenide) thin-film photovoltaic cell manufacturer, has reported that it has set a new world record for CIGS tested thin-film photovoltaic modules, achieving ...[Details]
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Samsung is one of the major tech companies that is actively pushing for foldable devices, and even though the South Korean manufacturer did not have much success with the Galaxy Fold, the company is ...[Details]
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Wet state microbial penetration tester is used to determine the performance of materials in resisting the penetration of bacteria in liquids when subjected to mechanical friction (the shielding perfo...[Details]
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Precautions for on-site use 1. On-site use conditions should meet the requirements of the instrument's technical parameters. Correctly select the instrument range, the measured pressure should not ex...[Details]
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Providing various adjustable, stable and reliable power supplies for communications, computers, ships, artificial satellites, spacecraft, industry, transportation and other departments is an import...[Details]
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Since May, retail stores of overseas mobile phone brands such as Apple and Samsung have reopened, and Indian factories of Xiaomi, vivo and other companies have resumed work, and the entire mobile pho...[Details]
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The Sino-US trade war is getting more intense. In addition to the possibility of a 25% tariff on up to $300 billion worth of goods in June, the United States has also added Huawei to the trade blackl...[Details]
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The three major A-share indices closed down today, with the Shanghai Composite Index down 0.54% to 3379.04 points; the Shenzhen Component Index down 0.53% to 13970.21 points; and the ChiNext Index do...[Details]
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;***************************************** ; 78p153 register definition ;***************************************** R0 == 0X0 ;Indirect addressing IAR ;****CONT REGISTE************* CONTW/R ; 7 6 5 4 ...[Details]
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Buttons control the speed and direction of the motor Source program: #include REG52.H #define uchar unsigned char #define uint unsigned int #define ulong unsigned long #define CLK_WISE 0 //rotate...[Details]
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Correct use of multimeter (1) Selection of jack The red test lead should be connected to the jack marked with a "+" symbol, and the black test lead should be connected to the jack marked with a "-" s...[Details]
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Soft start is a motor starting method that controls the starting current of the motor to gradually accelerate the motor during the starting process, thereby reducing the current shock and mechanica...[Details]
Power technology
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