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1. Selection of Optocoupler
For optocouplers using a phototransistor, the CTR range is mostly 20% to 300% (such as 4N35), while PC817 (not recommended) is 80% to 160%, and Darlington optocouplers...[Details]
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On the morning of May 5, the first batch of BEV 173Ah battery cell products of Shandong Geely Xinwanda Power Battery Co., Ltd. rolled off the production line. Zhang Chong, deputy secretary of the dist...[Details]
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The variable frequency drive system is a power electronic device system used to control the speed and output frequency of AC motors. It controls the speed and output power of the motor by changing ...[Details]
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Network Analyzer User Manual 1. Purpose This instruction manual is to standardize the operation of the vector network analyzer to avoid damage to the instrument caused by improper operation; it...[Details]
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There are generally two reasons for oscilloscope waveform jitter. One is that the signal is not synchronized, which is a problem with the oscilloscope trigger setting. The other is that the signal it...[Details]
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According to foreign media reports, Chalmers University of Technology and the Royal Institute of Technology (KTH) in Sweden have developed a new type of structural battery with 10 times the performan...[Details]
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PM2.5 monitoring is increasingly receiving attention from the government, the public and the media. At present, everyone has a certain understanding of its sources and hazards. As netizens gradually...[Details]
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Compared to the current generation, the iPhone 14 Pro will have narrower bezels across the board, as evidenced by the rumored CAD schematics of the iPhone 14 Pro and iPhone 13 Pro. As can be ...[Details]
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The circuit shown in Figure 1 is a complete adjustment-free linear variable differential transformer (LVDT) signal conditioning circuit. This circuit can accurately measure linear displacement (posit...[Details]
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A classic two-chamber microbial fuel cell was designed, and its power generation performance for glucose simulated wastewater under the condition of inoculation with anaerobic sludge was investigated...[Details]
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Digital chip design verification experience sharing series of articles (Part 4):
Migrating ASIC IP cores to FPGAs - How to test the functionality of IP cores and consider other factors b...[Details]
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Lithium-ion batteries
Currently, they have become the preferred energy source (power source) for laptops and handheld systems. As the demand for power from CPUs, displays, and DVD drives c...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit p10=P1^0; /*Rocker arm up key*/
sbit p11=P1^1; /*Rocker arm down key*/
sbit p35=P3^5; /*Rocker arm clamped in place*/
s...[Details]
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1 Introduction
HMI (Human Machine Interface) is increasingly used in industrial automation systems and equipment due to its small size, high performance, and strong real-time features. It has ...[Details]
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Porsche has applied for a patent for an adjustable roof that could increase the cabin space of self-driving cars, thereby increasing occupant comfort. It is understood that this patented technology...[Details]