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Recently, the disassembly team iFixit conducted a traditional disassembly of the Apple Watch Series 7, revealing some details that we were not aware of before. The 45mm Apple Watch Series 7 has a...[Details]
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China Unicom said that as of February 20, China Unicom has opened 64,000 5G base stations. In the first half of this year, it will strive to complete the construction of 100,000 base stations with Ch...[Details]
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Abstract: A new type of intelligent control LED street light system is proposed. The output voltage of the solar panel passes through the DC/DC boost circuit, and the MPPT control strategy based on t...[Details]
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On September 20, the Ministry of Industry and Information Technology issued a notice on the launch of smart photovoltaic pilot demonstrations, supporting the cultivation of a number of smart photovolt...[Details]
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Strategy Analytics' latest research report points out that global smartphone shipments in Q4 2019 were 375 million, which was stable compared with the same period last year. Apple ranked first with a...[Details]
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How does a car cooling fan work? A car is a mobile means of transportation with a high degree of integration of various components. Long-term operation of a car will cause a sharp increase in heat ...[Details]
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Recently, Xiaomi announced a new batch of models that will stop after-sales service from May 1st because the manufacturer no longer provides after-sales accessories. Among them are not only a batch o...[Details]
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Introduction: PIC microcontrollers are becoming increasingly popular in China. This article introduces some experiences and techniques in software and hardware design during the development of Microc...[Details]
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Earlier this month, Motorola released the second-generation Razr, correcting or improving everything about the first model. It's a flip-phone-style device based on the iconic device from the ea...[Details]
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OmniVision Technologies has released Nyxel 2, the company's second-generation near-infrared (NIR) technology for image sensors that operate in low to no ambient light conditions. The company said th...[Details]
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Abstract: When you are fighting fiercely in the game, when you just come home from the hot outside and turn on the air conditioner... the screen suddenly turns black, the air conditioner suddenly...[Details]
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CAN (Controller Area Network) is a controller area network. The CAN bus specification has been formulated by the International Organization for Standardization as the international standard ISO11898....[Details]
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A common method for reducing display signal noise. Noise is a common problem that is ubiquitous. Almost everyone who works with circuits has to deal with noise at some point, either by finding the so...[Details]
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When measuring the insulation value of a 10kV transformer using a ZC series portable megohmmeter, there are three common misunderstandings:
Misunderstanding 1:
The rated voltage of the megohmm...[Details]
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Figure 1 shows three equivalent circuits of the BIFRED converter in one switching cycle. Assuming that the output filter capacitor C is very large, it can be equivalent to a voltage source Uo. Figu...[Details]