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Industry overview Sodium-ion battery : It has the advantages of large raw material reserves, low cost, good low-temperature performance, high safety, and fast charging, but its energy density and cy...[Details]
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Introduction
Nowadays, various embedded electronic products have penetrated into every aspect of our lives, and embedded operating systems have become one of the hottest topics. Among them, t...[Details]
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/* * ----------------------------------------------------------------- * Name: ULN2803 driven dot matrix screen imitating elevator digital scrolling display * ------------------------------------...[Details]
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Electrification, connectivity, intelligence and their unique testing challenges and solutions are driving a new round of revolution in the entire automotive industry. The order of discussion in this ...[Details]
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With the development of society and the improvement of people's living standards, people pay more and more attention to health, but with the improvement of living standards, the incidence of cardio...[Details]
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It is not uncommon for mobile phone manufacturers to cross-border to make cars, but it is rare for car manufacturers to make mobile phones, and Weilai is one of them. Li Bin, chairman of NIO, once sa...[Details]
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After weeks of speculation, Google finally published a paper in the prestigious journal Nature claiming that it had achieved "quantum supremacy." Why should we care about quantum supremacy? What do...[Details]
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Apple and Foxconn are suspected of violating Chinese labor laws by using too many temporary workers in the world's largest iPhone factory. Investigators found that temporary workers accounted for abo...[Details]
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In the past, when the power grid had fewer information and automation methods, only the operational safety of the physical power grid itself was guaranteed; now, with the digital transformation, po...[Details]
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New energy vehicles
The development is in full swing, and the issue of energy replenishment has also become one of the issues that the industry pays full attention to. When everyone is arguin...[Details]
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Here is the circuit diagram of a mini FM receiver built based on a single FM IC TDA7012T.
Components List:
The TDA7021T integrated radio receiver circuit is suitable for porta...[Details]
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Display principle:
The eight-segment digital display tube is shown in Figure 1.1. Each segment of the eight-segment digital tube is a light-emitting diode, and there are eight light-emitting d...[Details]
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China's medical device market is growing at a rate of 15% per year, but there is still a large gap between domestically produced devices and European and American products in high-end markets s...[Details]
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On April 26, the US Albemarle Corporation invested US$900 million to build a 50,000-ton lithium hydroxide lithium battery material project in Meishan, Sichuan, which was officially put into production...[Details]
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If you are an auto technician, vehicle technician or auto mechanic, you may find this cheap yet powerful car battery charger circuit very handy as it can be used to charge all types of car and moto...[Details]
PCB Design
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