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eo reporter Cai Yixuan from Aachen, Germany
On December 20, 2019, the German Federal Network Agency (BNetzA) approved the Grid Development Plan 2019-2030 (hereinafter referred to as the "Plan"...[Details]
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Require: 1. Enter the password when the lock is unlocked. The set password is 6 digits in total. The data switches K1 to K10 represent the numbers 1, 2, ..., 9, and 0 respectively. The entered passwo...[Details]
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Light-emitting diodes are current-controlled components that directly convert electrical energy into light energy through the current flowing through them, so they are also called photoelectric conve...[Details]
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Apple released the second RC version of iOS 15.2 and iPadOS 15.2, a few days after the first beta version. Simply put, the RC version is Release Candidate. If there are no major problems, the RC ve...[Details]
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According to industry insiders, Huawei will launch two models of TV products, 55 inches and 65 inches this year, and has reached a cooperation with TCL Group's CSOT on the supply of 65-inch TV panels...[Details]
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HDMI 2.1/2.0 offers significant improvements over previous versions in terms of speed, data integrity, and data transfer modes.
Scrambling is one of the most important features introduced in H...[Details]
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To learn PLC, you must have a deep understanding of the scanning process and execution principle of PLC in order to write programs reliably and accurately. Generally speaking, PLC programs are scan...[Details]
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In recent years, the use of microprocessors to control switching power supplies has continued to grow. There is still much debate about the advantages of digital power supplies over analog power supp...[Details]
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Previously, we analyzed and explained the ST official library files. This article will introduce how to use the routines in the ST official library files in the template project established by the of...[Details]
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The research on electric vehicle braking force distribution strategy is nothing more than improving the front and rear axle braking force distribution strategy theory under the conditions of ECE br...[Details]
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The following figure is a simple mobile phone battery charger circuit. The design is simple, easy to build and inexpensive. It uses a LM78xx regulator to make the output voltage steady and stable.
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The hype about driverless cars has been going on for several years. Some optimistic companies even claim that they will be commercially available in 2019 or 2020. But recent fatal accidents and Waym...[Details]
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Timing is described using timing units. The MCS-51 microcontroller has four timing units, namely beat, state, machine cycle and instruction cycle. We will explain them one by one below. · Beat and st...[Details]
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The birth of laser is a huge leap in science and technology in the last century. It originated from the light amplification process of stimulated radiation. It attracts attention with its outstandi...[Details]
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Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]