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According to General Motors' latest full-year financial report, its net profit in 2019 reached $6.7 billion. After accounting for the $3.6 billion loss caused by the strike, the adjusted EBITDA was...[Details]
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Digital tube dynamic display 0~99999999 1. Principle of common cathode 8-bit digital tube First, some necessary knowledge 1. Multi-digit digital tubes are scanned for display, that is, only one di...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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A few days ago, Huawei's first foldable screen phone, Mate X, was officially launched. The price of 16,999 yuan did not deter consumers. It was sold out in one second. Afterwards, the model was sold ...[Details]
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Lesson 3: Button Control
The key input is actually the operation of the GPIO port. At the same time, the concept of interrupt is introduced. In fact, key control is divided into two cases. The firs...[Details]
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In Cortex-M3, there are 8 types of GPIO configurations: (1) GPIO_Mode_AIN analog input (2) GPIO_Mode_IN_FLOATING floating input (3) GPIO_Mode_IPD pull-down input (4) GPIO_Mode_IPU pull-up input (5...[Details]
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The amplifier is composed of VU, VT5, VT6 and VT7, among which the input impedance of VU is very high, which can match the high impedance signal source in the low conductivity measurement range. The...[Details]
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Sina Digital News reported on the morning of March 11 that a new set of renderings showed the design of the third-generation AirPods, which may be released at the end of this month. The rend...[Details]
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As subsidies gradually decline and will be completely withdrawn by the end of 2022, the development of China's new energy vehicle industry is changing from "policy-driven" to "market-driven". However...[Details]
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I have been in contact with the USB bus for about 5 years. When I first came into contact with USB, I used the chip represented by Zhou Ligong, PDIUSBD12, which is a USB device controller that can ...[Details]
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As 2019 begins, the downward trend of China's television industry continues. It may be difficult for the general public to notice that after experiencing the "demographic dividend cycle and policy ...[Details]
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“Hey Mercedes, where is the best beach for swimming nearby?” “You can go here to swim, sunbathe or surf. Alternatively, you can take a walk, have a picnic, or just relax and read a book. If you’re fu...[Details]
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Both isolated and non-isolated LED driver power solutions have their own advantages and disadvantages. We believe that Class II will be the mainstream because it simplifies the LED heat dissipati...[Details]
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The main circuits inside different series of AC-DC-AC inverters are basically the same, and many phenomena that occur during the frequency conversion speed regulation process can be analyzed throug...[Details]
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CNC (Computer Numerical Control) system is a kind of automation equipment controlled by computer, which is widely used in mechanical processing, mold manufacturing, aerospace and other fields. CNC ...[Details]
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