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(April 20, 2021, Shanghai, China) On April 16, the "2021 United Nations Industrial Development Organization Theme Day" (UNIDO Day 2021) was successfully held at the Shanghai World Expo Exhibition and...[Details]
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The Information Science Research Institute of China Electronics Technology Group Corporation, China Merchants Securities Co., Ltd., and Beijing Guolian Wanzhong Semiconductor Technology Co., Ltd. sig...[Details]
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In order to seize business opportunities, many accessory manufacturers will plan new products in advance based on the supply chain information they have. Apple’s upcoming smart tracker AirTag was exp...[Details]
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STC microcontroller is a microcontroller based on the C51 core independently developed by Hongjing Technology and is widely used in China. Based on the traditional C51 microcontroller, STC's performa...[Details]
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Theodolite structure machine parts 1. The structure of theodolite (main commonly used components): Theodolite 1 Telescope brake screw 2 Telescope 3 Telescope fine-motion screw 4 Horizon...[Details]
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Challenges at the start
One of the challenges in designing a successful energy harvesting system is getting started. There are often so many unknowns in the early stage...[Details]
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The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[Details]
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Capstone's CS5210 is an HDMI to VGA audio and video adapter cable or converter solution chip. The advantage of its design lies in the built-in crystal oscillator, fewer peripheral circuit compo...[Details]
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High-side/low-side current-sense circuit
The current-sense resistor of the low-side current-sense circuit is connected in series to the ground (Figure 1), while the current-sense resistor of th...[Details]
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Most LED power supply circuits are composed of a switching power supply circuit + feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switching c...[Details]
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USB 2.0 History
The Universal Serial Bus has been recognized as the de facto standard for connecting personal computers and other peripherals. USB 2.0 was introduced in 2000 and offers 40 times the s...[Details]
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Single-phase energy meters can be divided into inductive single-phase energy meters and electronic energy meters. At present, most households use inductive single-phase energy meters, and their commo...[Details]
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Introduction Based on the objective fact of abnormal electromagnetic waves before earthquakes, in earthquake prediction, the short-term reflection ability of electromagnetic radiation anomalies can...[Details]
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Cailianshe reported that the Ministry of Science and Technology stated that in the next step, in the planning and layout of high-tech development in the 14th Five-Year Plan, the Ministry of Science a...[Details]
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On October 21, a research team led by Ha Yoon-cheol, director of the Next-generation Battery Research Center of the Korea Electric Research Institute (KERI), announced a breakthrough in battery tec...[Details]
MicroPython Open Source section
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