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1. Display decimal point We may have overlooked that there is a LED on the digital tube, which is in the lower right corner. Usually, we light up this little dot to indicate the decimal point of a n...[Details]

　　The real-time clock function is realized by using the real-time clock chip PCF8563. PCF8563 is a multifunctional clock/calendar chip with I2C bus and extremely low power consumption launched by PHI...[Details]

In the past two years, Android flagships have basically popularized under-screen fingerprint recognition, but at present there are still a few users who do not like fingerprint recognition. In daily ...[Details]

Since the performance of a single-chip microcomputer is vastly different from that of a computer, it cannot be compared with it in terms of space resources, memory resources, and operating frequency....[Details]

　　Because ultrasonic level meters have many characteristics, especially non-contact measurement, they can be widely used in reactors, reaction tanks and other containers in chemical companies and var...[Details]

Time flies, and the years pass by. The future is promising. Looking back at 2021, Lakeside Capital has always adhered to and practiced the values ​​of "responsibility, diligence, compliance with rule...[Details]

In recent years, China's photovoltaic industry has developed rapidly and will play an important role in the future power supply. As more and more distributed photovoltaic power sources are connecte...[Details]

With the release of Nubia α, its first wearable mobile phone that combines a flexible screen with a wearable watch body, in Beijing, Nubia has opened up another unique path in the flexible screen ind...[Details]

An audio amplifier is an electronic device used to amplify sound signals. It amplifies the input low-level electrical signal to a sufficiently high level in order to drive the speaker to produce su...[Details]

To talk about rigidity, we must first talk about stiffness. Stiffness refers to the ability of a material or structure to resist elastic deformation when subjected to force, and is a representation...[Details]

Notice of State Grid Corporation of China on optimizing the management model of provincial electric vehicle joint ventures State Grid Beijing, Tianjin, Hebei, Jibei, Shanxi, Shandong, Shan...[Details]

Battery-powered electromagnetic flowmeter is specially designed for water industry, meeting the requirements of urban water supply and ensuring accurate water fee calculation, and is widely used in u...[Details]

The modification starts from the power supply. The original main filter capacitor was slightly bulging at the top, so it was removed and replaced with a second-hand "Black King Kong" 12000μF/63V fr...[Details]

1 Introduction LED display technology has evolved from monochrome displays in the early 1980s, to dual-primary-color displays in the late 1980s, to three-primary-color (full-color) displays in...[Details]

Abstract: A good intelligent connected vehicle in-vehicle service ecosystem can not only promote the healthy development of the intelligent connected vehicle in-vehicle service market, but al...[Details]