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      Last year, Apple released two "small" iPhones - the iPhone SE 2020 and the iPhone 12 Mini. Many Android fans also hope that manufacturers can launch similar small-screen phones. Now, their wish...[Details]

Jieka Robot Reply to inquiries As an important sub-segment of industrial robots , collaborative robots have made great progress with their advantages of flexibility...[Details]

The structure of semiconductor chip: As one of the customers of the semiconductor industry, the automotive industry accounts for about 5-10% of the sales of all semiconductor products. Although the...[Details]

This protection circuit can not only prevent undercharging and overcharging, but also automatically cut off the power if the charger does not switch to green light for ten hours to prevent serious...[Details]

1 Introduction The design of high-frequency magnetic components in switching power supplies is critical to the normal operation of the circuit and the realization of various performance indicators...[Details]

There are many places in C/C++ language where extern is used. However, if you don't really understand its meaning, it will cause great trouble to programming. In order to help you avoid detours, we wi...[Details]

Digital signal processing techniques and methods are widely used in modern computers and communication systems. The basic idea is to first represent the signal with a series of numbers, and then pe...[Details]

Researchers at the University of Delaware have identified ammonia as a source for engineering fuel cells that could provide a cheap and powerful fuel for cars, trucks and buses and reduce carbon emis...[Details]

　　How to select gas sources with different gas purities as carrier gas and auxiliary gas for forest soil testing gas chromatograph is an old technical problem. However, it is difficult for users who h...[Details]

       After its release in December last year, there are already many mobile phones equipped with Snapdragon 8 Gen1 processors on the market. In terms of specifications, the current Snapdragon 8 Gen...[Details]

Recently, the "Gansu Province 5G Construction and Application Special Implementation Plan" (hereinafter referred to as the "Implementation Plan") was issued, focusing on 5G network construction and 5...[Details]

In August this year, Google launched its new Pixel 4a smartphone, and announced that it will launch a 5G version of the phone and a higher-end Pixel 5 in the coming months. Currently, these two unrel...[Details]

Last year, I made a lithium battery capacity tester with 89C52+ad0804, but it was not successful. This year, I bought a new 12C5A60S2 with built-in AD, and started to make it again. I learned a lot o...[Details]

1. Introduction 随着人们生活及交往节奏的加快和一条条高速公路的建成，要求不断地改善汽车夜间驾驶的安全性。为此就需要有良好的前照灯视觉构造，为改善空气动力特性，就需要把前照灯的外形做成斜面流线型。现在欧、美、日等国，已用小功率金属卤化物灯代换常规的卤钨灯作为汽车前照灯的光源。因为卤钨灯的光效低，一般为15～35lm/W，显色指数为60～65。而小功率金属卤化物灯，30...[Details]

Synopsys ranked second in the "Existing Products" category and tied for second in "Strategy" and "Market Share" In order to speed up development while improving security and quality levels, develop...[Details]