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Ultrasonic waves are mechanical waves with a frequency of more than 20KHz, and their propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be generated by ultrasonic sensors....[Details]
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International product design company IDC (Industrial Design Consultancy) and Xunfengtong have developed a fourth-generation foot drop walker to help patients with certain neurological diseases walk a...[Details]
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The simplest "constant current" charger is shown in the figure. It uses capacitive reactance to reduce voltage and limit current, and the capacitive reactance Xc=1/2πfC. In the formula, π is 3.14, ...[Details]
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According to foreign media reports, the U.S. Patent and Trademark Office recently announced 53 new patents obtained by Apple, including a patent for the Titan project, which allows users to communica...[Details]
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The Android x86 project has finally been upgraded to the underlying Android 11. This innovation has been achieved in the latest Bliss OS 14 version. Of course, the version is currently in th...[Details]
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Convergent Energy Power and Shell Canada Energy have formed a joint venture to produce an initial 21MWh of industrial battery storage systems at two Shell Canada Product facilities in O...[Details]
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Sina Digital News: On the afternoon of January 20, Samsung held a new product tasting event in Beijing, showcasing the newly released Samsung Galaxy S21 5G series. As Samsung's first flagship se...[Details]
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about the author: Zhu Yulong is a senior electric vehicle three-electric system and automotive electronics engineer. He is currently engaged in the electronics of new energy vehicles. He has more tha...[Details]
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How to get a picture that fits your screen size? I wasted a lot of time when I was using TFT to display pictures. Now I summarize the usage based on my experience as follows for your reference in lear...[Details]
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Boeing and SpaceX of the United States are testing manned spacecraft and will be contracted to transport American astronauts to the International Space Station in the future. According to the lates...[Details]
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Zirconia oxygen analyzer sensors and transmitters play a pivotal role in the fields of instruments, meters and industrial automation. Unlike sensors, transmitters can not only convert non-electrical q...[Details]
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Recently, Efort Intelligent Equipment Co., Ltd. released its 2022 annual performance forecast, expecting to achieve operating income of 1.25 billion to 1.33 billion yuan, an increase of 8.97%-15.95...[Details]
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Charge Coupled Device (CCD) is a new type of semiconductor integrated optoelectronic device developed in the early 1970s. It has the characteristics of high sensitivity, large dynamic range, and high ...[Details]
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SUNNYVALE, CA. October 12, 2011. Maxim Integrated Products, Inc (NASDAQ: MXIM) introduces the Newport smart meter reference design platform. The platform integrates the latest metering, security an...[Details]
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Electric vehicle charging systems are evolving. Current AC Level 2 wall boxes, which typically use a 400V battery charging bus voltage, are migrating to DC fast charging (DCFC) systems that require...[Details]