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Before the latest IEC61000-3-2 standard went into effect in 2005, most PC, monitor, and TV power supplies generated excessive power line harmonics when powered from single-phase 110 to 120V, 60Hz AC. ...[Details]
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1 What is machine life?
Machine life is a machine that can survive autonomously, a machine that automatically struggles to survive. For machine life, survival means that the power supply is no...[Details]
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Digital Tube A multi-digit digital tube is a digital tube in which two or more single digital tubes are placed side by side to form one. When the multi-bit is integrated, their internal common termin...[Details]
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【Speed measurement module】 Module information I am using a narrow slot type optocoupler speed measurement module, as shown below: wiring 1. VCC connects to the positive pole of the power suppl...[Details]
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With the modernization, high technology and complexity of electronic equipment, it is required to conduct rapid on-site testing of electronic equipment, which must be completed by automatic
Al...[Details]
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The Party Committee of the State Grid Corporation of China DC Construction Branch strengthened the leadership of party building, formed a UHV on-site party building work mechanism of "party buildin...[Details]
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The Highviews 15MWh LAES project in the UK follows a 2.5MWh demonstrator. Image: Highview Power
“Cryogenic” energy storage could potentially scale up to 250MWh per project in t...[Details]
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1. Design introduction Currently, a heart rate detector is implemented based on STC89C52 microcontroller and PCF8591, PulseSensor heart rate sensor, SSD1306 OLED display and other components. The det...[Details]
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There are many foundry companies in mainland China, of which three have entered the top 10 in the world, namely SMIC, Huahong Group, and Jinghe Integrated Circuit. According to the ranking in Q4 2021...[Details]
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With the arrival of the era of smart electric vehicles, intelligent configurations represented by autonomous driving and smart cockpits will be the core competitiveness of automobiles.
A...[Details]
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According to a report from Chedongxi on December 13, today, the US Federal Communications Commission (FCC) unanimously voted to approve a proposal that will reallocate 75MHz of spectrum in the 5.9...[Details]
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The three major A-share indices rose and fell today. The Shanghai Composite Index closed down slightly by 0.57% at 3465.55 points; the Shenzhen Component Index rose by 0.23% to 14487.36 points; and t...[Details]
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The STM8S EEPROM is organized based on a 32-bit word length (4 bytes per word). Depending on the device, the memory organization is different: Small capacity STM8S device 8K FLASH program memory, ...[Details]
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Micro Gear Motor
1. When installing the gear motor, attention should be paid to the center axis of the transmission, and the deviation should not be greater than the compensation of the ...[Details]
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ARM processors have been developed for many years, with many architectures and many different cores.
The architectures are armv1 v2 v3 v4 v5 v6 v7
There are too many cores, for example, a...[Details]