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Enables contactless control in a variety of applications • FlightSense™ dedicated software package enables low-power, low-cost gesture detection • Camera-free human-machine interaction solution b...[Details]
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As shown in the figure, a 24dB per octave low-pass filter
circuit
is constructed with the same parameters
. This
circuit
is a 24dB per octave low-pass filter composed of filter elem...[Details]
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According to Jiwei.com, the three major A-share indexes closed down slightly today, and the market trading volume shrank. The two markets traded a total of 687.4 billion yuan. Industry sectors rose a...[Details]
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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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Currently, 400 Hz power supplies are widely used in places where small and light power supplies are required, such as aircraft, ships, communications and other fields. Compared with industrial freque...[Details]
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According to a research and statistical report released by iResearch Consulting, by the end of 2019, the market size of China's public charging service industry may exceed 15 billion yu...[Details]
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Pinecone Electronics transformed into Xiaomi Pinecone Electronics. According to information from Qichacha, the business name of Beijing Songguo Electronics Co., Ltd. has changed and is now renamed Be...[Details]
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The 7 working modes of ARM processor (taking ARM7TDMI as an example) are: (1) User mode (usr): Normal mode for running applications. (2) System mode (sys): runs privileged operating system tasks. ...[Details]
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Figure 1: Front view of full-color 8s dot matrix module
Figure 2 Internal circuit diagram of full-color 8s dot matrix module
As can be seen from Figures 1 and 2, the size of...[Details]
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As a practical method of rotating an electric machine, a method of generating a rotating magnetic field using three-phase AC and a coil is introduced.
(Three-phase AC is an AC signal with phas...[Details]
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Today, Huawei officially released the Mate40 series in China. The Mate40 8+128 GB is priced at 4999 yuan, and the 8+256 GB is priced at 5499 yuan. The Mate40 Pro 8+128 GB is priced at 6499 yuan, 8+25...[Details]
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This paper presents a novel, fully automatic digital display design for measuring RF frequency by using the pre-divider SAB6456A and the high-speed digital divider 74HC390, combined with the ne...[Details]
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Power switch circuit
This article is about
the calculation of the parameters of the power switch protection circuit
. The content is wonderful. Please keep a close eye on the E...[Details]
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Modern information technology has brought revolutionary changes to sensor technology. The application of embedded technology has greatly improved signal processing technology and increased test accu...[Details]
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1 Introduction In the field of industrial flaw detection, various problems in the welding process will cause defects such as pores and cracks in the weld, affecting the quality of the product, so...[Details]