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Last year, Facebook entered the smart speaker market, but due to the suppression of the two major brands, Amazon and Google, Facebook did not receive a wide response. Yonhap News Agency pointed out t...[Details]
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1. Characteristics of permanent magnet synchronous motor
1. Voltage regulation
The automatic excitation control system can be regarded as a negative feedback control system with voltage a...[Details]
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According to news on January 10, Moore Thread officially announced the launch of a new product in the XR field-MTVerse XR. This is also the first XR system with nationally produced software and hardw...[Details]
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On June 8, Unigroup Guoxin released a convertible bond issuance announcement, planning to issue convertible bonds of 1.5 billion yuan, of which 600 million yuan will be used for the research and deve...[Details]
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This paper mainly discusses the design of a portable health diagnosis and treatment instrument based on the theory that the cell activities of human muscles, nerves, tissues and organs produce weak...[Details]
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Xiaomi has applied for three new design patents for a full-screen mobile phone with a pop-up camera at the State Intellectual Property Office in May last year. Judging from the patents, Xiaomi ha...[Details]
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Earlier this month, Google released the Google Pixel 4a mid-range phone. At the event, the company also confirmed that it will release the Pixel 5 and Pixel 4a 5G phones on the market this fall. Shor...[Details]
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1. Keyboard type 1.1 Encoding keyboard Generate the key value code of the pressed key through the hardware circuit. The program is simple but the hardware circuit is complex Like a computer keyboard ...[Details]
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A global team at Texas Instruments persevered through challenges to
develop new MagPack™ packaging technology for power modules, a breakthrough technology that will help advance the future of p...[Details]
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Recently, Zhongcheng Dayou Industrial Group Co., Ltd. (hereinafter referred to as "Zhongcheng Dayou") signed a strategic cooperation agreement with BYD Energy Storage. Zhongcheng Dayou Chairman...[Details]
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Sina Digital News reported on the morning of August 8 that according to analysts at investment bank UBS, Apple may launch a foldable device within the next two years. A report from foreign media CNBC...[Details]
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This is an automotive nicd battery charger circuit that can charge any NiCad battery between 4.8 and 4.4 volts using a classic 12 volt car battery. The charging current is constant and can be selec...[Details]
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Last February, Sony launched the Xperia 1 II, Xperia 10 II, and Xperia Pro smartphones. While the other two devices became available for purchase in different markets a few months later, the company ...[Details]
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Through the understanding of transformer topology, the topology adopted by the high voltage power supply designed this time is determined to be full-bridge conversion, because it is suitable for high ...[Details]
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Carbon dioxide is the most ideal benchmark for measuring the air quality in a car. It is more sensitive than other air quality indicators. The carbon dioxide content shows obvious changes in differ...[Details]