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Recently, the National Intellectual Property Administration (CNIPA) exposed a design patent submitted by vivo, which shows a smartphone that looks very similar to the Apple iPod Classic. The il...[Details]
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Substation
Commonly used DC systems are 220V and 110V. When the insulation is normal, the voltage between the positive and negative poles of the DC system and the ground is balanced;...[Details]
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This paper introduces a method of using the interrupt function of a single-chip microcomputer and a peak sampling circuit to detect the peak value of an eddy current sinusoidal signal. This metho...[Details]
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Along with the "good harvest" of the home appliance industry in the first half of the year, the market has seen three significant changes in brand structure, competitive means and business mo...[Details]
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Under the shadow of the United States' escalating sanctions on Huawei, the fluctuations faced by companies related to the semiconductor industry chain continue to expand. According to Technews, the m...[Details]
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1 Introduction
For a long time, due to the advantages of AC asynchronous motors such as simple structure, reliable operation and low manufacturing cost, their applications have become more and...[Details]
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Recently, Power Integrations (POWI), a company specializing in high-voltage drivers for offline LED lighting, released a new reference design (DER-278) based on the company’s single-stage LinkSwitc...[Details]
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Following the vigorous competition for lidar, capital has also begun to target the upstream industry. Recently, Ruishi Technology, an industry-leading VCSEL optical solution provider, received nea...[Details]
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I knew nothing about Renesas MCU just two weeks ago. Due to the needs of my work, I had to switch to learning Renesas MCU.
The initial study was a bit boring and I had no id...[Details]
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/*VIICC.H*/
#pragma db cd small
#include intrins.h
#include reg52.h
#define NOP nop ( ); nop ( ); nop ( ); nop ( )
#define SDA P1^7
#define SCL P1^6
void sta( ) );...[Details]
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I. Introduction
LED has a development history of nearly 30 years. In the 1970s, the earliest GaP and GaAsP homogeneous red, yellow, and green LEDs with low luminous efficiency began to be used...[Details]
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In recent years, with the intensifying global energy crisis, the photovoltaic industry under carbon neutrality has ushered in a new wave of development; against this background, the traditional gas...[Details]
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There are two types of transformers: air-gap type and differential transformer. Currently, the solenoid type differential transformer is mostly used.
Its basic components include armature, pr...[Details]
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A netizen asked Duan Yongping, chairman of BBK Group, on Xueqiu why he brought Huang Zheng with him when he had dinner with Buffett. The netizen said: "Compared to your success in stock investment, I...[Details]
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New 3D bioprinter. Image source: University of Melbourne, Australia
Scientists at the University of Melbourne in Australia have developed a new high-speed 3D printer. This advanc...[Details]
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