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1 Introduction In recent years, monolithic switching power supplies have become increasingly popular among power supply designers for their low cost, high reliability and design flexibility in powe...[Details]
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1. Pixels and pixel diameter Each light-emitting unit in an LED display that can be controlled individually is called a pixel. Pixel diameter ￠ refers to the diameter of each LED light-emitting pixel...[Details]
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In order to meet the interface design requirements of embedded systems, a graphical user interface system SKY-GUI is proposed, and its implementation method in an embedded Linux environment is given....[Details]
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As people's awareness of energy use and environmental protection becomes stronger and stronger, the demand for humanized and personalized products is increasing. Energy saving, environmental protecti...[Details]
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On September 18, the fourth Huawei Connect Conference opened. Huawei released its computing strategy for the first time, which was based on architectural innovation, investment in all-scenario proces...[Details]
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Samsung Electronics released a report revealing that its sales of ultra-large TVs have seen significant growth. In the first three quarters of this year, sales of TVs 80 inches and above climbed 15...[Details]
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introduction
There are many methods for measuring capacitance. However, only the computational capacitance method is suitable for automatic online measurement. The DC charge and discharge
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1. Probe classification
Probes are usually classified according to the measurement object, as shown in Figure 1. Among them, high-impedance passive probes, high-voltage differential probes, and curre...[Details]
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5. OTN+PTN (L2/L3) time synchronization transmission networking
The receiving and transmitting of the TDD system work in the same frequency band. This technology can greatly improve the utilizati...[Details]
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Last Friday, BYD's stock price surged 8%, and its market value exceeded RMB 1 trillion for the first time. Meanwhile, a few days earlier on June 7, BYD returned to the third place in the global aut...[Details]
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1. Selection of pointer meter and digital meter: 1. The reading accuracy of the pointer meter is poor, but the process of the pointer swinging is more intuitive, and the swing speed and amplitude...[Details]
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1. Power-on debugging
of the inverter After the inverter is installed, disconnect the output of the inverter. Before powering on, use the diode range of the digital meter to measure the input...[Details]
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It is difficult to give this design a precise name, is it a hard disk MP3 player, a digital camera companion, an electronic photo frame, or even a mobile hard disk? In fact, this design has all these ...[Details]
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#include reg51.h #include intrins.h typedef unsigned char UINT8; typedef unsigned int UINT16; UINT8 num = 0, temp = 0, key = 16, t0 = 0, t1 = 0, shu = 0; /* Digital tube code*/ UINT8 code ta...[Details]
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For months, a battle over standards for electric vehicle charging interfaces has raged across the auto industry, playing out in headline after headline, pitting one interface against another in a bat...[Details]
PCB Design
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