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1. Technical indicators (1) Frequency range of voltage measurement 20hz～1mhz (2) Measurement range of AC voltage 100μv～300v Eleven measuring ranges 1mv, 3mv, 10mv, 30mv, 100mv, 300mv, 1v, 3v, 10v, 30...[Details]
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According to Taiwan Economic Daily, the supply chain has reported that HP asked Quanta to move part of its notebook production capacity to Thailand, and Dell asked Compal to move part of its notebook...[Details]
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With the improvement of people's living standards, the uses of speakers are becoming more and more extensive. There are always various outdoor pull-rod speakers next to the beautiful elderly square...[Details]
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Recently, Tsinghua Unigroup Holdings issued an announcement that the company was notified by the seller, Tsinghua Unigroup Technology Strategic Investment Co., Ltd. (the company's controlling shareho...[Details]
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The difference between fixed frequency and variable frequency motors lies in the change of their operating frequency. The frequency of fixed frequency motors is rated to be unchangeable, while the ...[Details]
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Against the backdrop of global energy shortages and increasing environmental protection requirements, countries around the world are vigorously developing green energy-saving lighting. As a revolut...[Details]
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In the past two years, Apple, Samsung and other companies have deployed Mini-LED products, triggering an investment boom in the industry. As LED manufacturers have expanded Mini-LED production capaci...[Details]
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The integrated operational amplifier A and R1 form a short-circuit current amplifier, and B, R2~R6, and W1 form an inverting adder, which amplifies the output voltage V1 of the operational amp...[Details]
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It was announced that the global silicon wafer shipment area in the first quarter of this year (2019) fell to 3.051 billion square inches, a decrease of 5.6% from the previous quarter and a slight de...[Details]
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On July 20, AMD's Ryzen 8000 series ES chip code-named Strix Point has appeared in the MilkyWay@home database.
MilkyWay@home database has previously leaked Zen 3 and Zen 4 CPU samples, and the...[Details]
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As one of the work contents of many people, PIC microcontroller plays an important role. But most people don't know why to use PIC microcontroller. To solve this problem, we must talk about several m...[Details]
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Schaeffler Group, a major German auto parts manufacturer, held a technical forum in Shanghai at the end of August 2010, unveiling new technologies such as the latest cam switching mechanism, lo...[Details]
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With the widespread use of FPGA technology, there is an increasing need for an instrument that can test and verify whether the logic timing of the circuit downloaded into the FPGA chip is correct. A...[Details]
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The intelligent trend of modern instruments and meters has led to the increasing application of various sensors. As lasers have many advantages, the laser detection and control systems developed us...[Details]
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1. Differences in structure The pixels of the passive drive matrix are composed of a simple substrate with a cathode and an anode. The intersection of the anode and the cathode can emit light, and t...[Details]
GD32 MCU
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