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New energy is one of the five most decisive technological fields in the world economic development in the 21st century. Solar energy is a clean, efficient and inexhaustible new energy. In today's soci...[Details]
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At present, with the development of society and the demand for automation instruments in industry, the measurement level of instruments is constantly improving. Flow measurement instruments have beco...[Details]
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1 Overview
The mechanical characteristics test of high-voltage circuit breakers is an indispensable part of the switch production, installation and commissioning process, and is of great signif...[Details]
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Nowadays, lithium batteries have become an indispensable device in daily life and have been applied in many fields, such as mobile phones, electric vehicles , satellites, spacecraft, underwater robot...[Details]
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There are so many types of microcontrollers, how to choose a suitable one to learn? If you have ready-made conditions for learning microcontrollers, you can learn whatever model you have. For example...[Details]
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The process for calculating the junction temperature of most semiconductor components is well known. Typically, the case or pin temperature is known. The power dissipated by the die is measured and m...[Details]
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Although the price of Samsung's flagship phones is prohibitive, often costing eight or nine thousand or even tens of thousands of yuan, Samsung still has many low-priced mobile phones worth choosing,...[Details]
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As power density increases, energy loss becomes more concentrated. Higher efficiency means lower heat loss. Improving power efficiency is rapidly becoming the only viable measure to increase power ...[Details]
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1 Introduction Temperature is one of the main controlled parameters in industrial production, and various temperature control systems related to it are widely used in metallurgy, chemical industry, m...[Details]
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High-voltage floating signal measurement is a very important test task and is often used in power systems, electrical equipment and high-voltage occasions. When measuring high-voltage floating signal...[Details]
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Introduction: This paper designs a UAV power management system, which has the functions of automatic control of charge and discharge management, real-time monitoring of battery voltage, etc. The syst...[Details]
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A new generation of young consumers has changed their decades-old audio-visual habits. Previously, headphones were only worn when needed. The introduction of true wireless (TWS) earbuds has changed t...[Details]
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The purpose of the detection platform (detection plate) The detection platform is also called the cast iron detection plate. It has a wide range of uses and is used in power stations, ships, scientif...[Details]
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0 Preface
Design requirements: 1) Able to detect alcohol concentration; 2) Able to pre-set threshold; 3) Threshold can be adjusted; 4) Sound and light alarm can be triggered when threshold is exce...[Details]
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On December 27, 2019, the cloud platform, data center and IoT management platform of State Grid Jilin Electric Power Co., Ltd. were launched, marking the completion of the company's new generation ...[Details]