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Introduction
High-power three-phase fully controlled bridge rectifiers are used as adjustable DC power supplies for industrial production, and the DC voltage is regulated by the trigger circu...[Details]
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By Zhang Quan, Chief Engineer of State Grid Energy Research Institute
my country's energy and electricity growth prospects are broad
On June 13, 2014, General Secretary Xi Jinping pro...[Details]
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Design Tasks
Design and make a sailboard control system, which can adjust the wind force and change the sailboard turning angle θ by controlling the fan speed, as shown in Figure 1. The sailbo...[Details]
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1. Introduction
The water production process of a water plant is to take water from the water source through the water transmission network to the water plant, and then treat it to meet th...[Details]
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For LED driving, the constant current method is better than the constant voltage method. In the circuit proposed in this article, the constant voltage regulator commonly used for LEDs is replaced wit...[Details]
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I used stm32f4 discovery frequently some time ago, but because I didn't know much about NVIC and EXTI, I always avoided using interrupts during use. I have nothing to do these two days and decided to...[Details]
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On the evening of April 8, the U.S. Department of Commerce’s official website issued an announcement, adding seven Chinese supercomputer entities to the “Entity List” because these entities are suspe...[Details]
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The most important thing to learn a programming language is to establish a practice environment. Only by learning and practicing can you learn well. Keil software is currently the most popular softwa...[Details]
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News from Qianjiang today showed that the underground foundation construction of Hubei Dinglong Holding Co., Ltd.'s 500,000-piece/year integrated circuit CMP polishing pad project has been completed....[Details]
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According to the display principle of liquid crystal display devices, to realize the display of a character or graphic, in addition to the liquid crystal display template, a complex control circuit...[Details]
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At present, domestic commercial vehicles generally use the J1939 communication protocol to construct the CAN communication network. When a CAN bus fails, how to efficiently find the cause of the fa...[Details]
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The three-phase relay protection tester uses a rotating mouse, which greatly simplifies the structure of the operation part, making the operation simple, fast and easy to master. The host uses a high...[Details]
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On the afternoon of April 28, according to the latest data report from data analysis agency Counterpoint, China's smartphone sales in the first quarter of 2022 were 74.2 million units, a year-on...[Details]
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Experiment name: IO expansion (serial to parallel) experiment-74HC595 wiring description: Experimental phenomenon: After downloading the program, the 8*8 LED dot matrix displays a circular scrolling ...[Details]
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On October 31, a centralized commissioning ceremony was held for the Datang Ali Energy Storage, Basu Wind Power, and Heshun Photovoltaic Projects. The Tibet Ali Independent Grid-connected Energy St...[Details]
Microcontroller MCU
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