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In fact, the multimeter is mainly used to measure voltage and current. In addition, although it can also measure the resistance, capacitance, inductance, etc. of the LCR tester, the accuracy cannot b...[Details]
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The equivalent salt density method widely used by the power sector is a method of calibrating the pollution level based on annual cleaning. Although this method is simple to operate, it still requi...[Details]
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In recent years, the appeal of traditional paper photo frames has gradually faded. With the popularity of digital cameras and mobile phone cameras, the digital photo frame market is booming. Digita...[Details]
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Saudi Basic Industries Corporation (SABIC) released its first quarter 2023 financial report today. SABIC's sales in the first quarter were 39.69 billion Saudi riyals ($10.58 billion). The company's n...[Details]
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The industry often divides domestic millimeter-wave radar startups into three categories: "returnees", "academicians", and "industrial transformation". On June 19, 2020, at the 2020 (Second) Automo...[Details]
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4mA～20mA current control circuit
Figure 4 shows a single-channel digital-to-analog converter used in an isolated 4 mA to 20 mA current loop control circuit. The AD56624 is packaged in a SOT-23 p...[Details]
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On October 26, according to the results of the 92nd review meeting of the Science and Technology Innovation Board Listing Committee in 2020 released by the Shanghai Stock Exchange, Hangzhou Medikey O...[Details]
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Recently, the shortlist for the "Veco Cup OFweek 2023 China Robot Industry Annual Selection" jointly organized by OFweek, a Chinese high-tech industry portal, and its authoritative professional...[Details]
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So far, the focus on 5G has been mainly on the consumer market, but as people become more aware of 5G's high speed, low latency and connection density, a huge market in the B2B sector is also beginni...[Details]
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According to Juheng.com, IC design giant MediaTek recently issued an announcement that its subsidiary Huifa International intends to continue to reduce its holdings of Goodix Technologies shares in t...[Details]
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LED lighting seems to be on track, but there are still many problems to be solved. From the hardware side, price is often the key consideration for general consumers, but the current cost of LED l...[Details]
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Recently, I have been involved in the IAP of STM32F0XX. I have found a lot of relevant information, but I don’t feel it is particularly clear, so I will share some information. When I first started,...[Details]
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China Energy Storage Network:
Since the completion and operation of the 750 kV first-channel transmission and transformation project connecting Xinjiang to the Northwest main grid in Novemb...[Details]
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The SPV1040
from ST
is a high-efficiency solar cell charger with embedded MPPT. It has an input voltage of 0.3 V to 5.5 V, an internal 140 mΩ synchronous rectifier, a 120 mΩ pow...[Details]
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Since the beginning of this year, state-owned central enterprises have continued to increase their layout in strategic emerging industries. A reporter from China Securities Journal recently visited th...[Details]
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