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Comparisons between semiconductor power switches and relays often focus only on the cost of the switch itself, which is reasonable only for applications where only the switching function is of conc...[Details]
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ORG 0000H
LJMP MAIN
ORG 000BH; MCU interrupt program entry address
AJMP ZHDUAN
CJNE A,R7,RED; Determine whether to enter the red light program
DJNZ R6,GREEEN; The red light condition is not ...[Details]
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The voltage in the electronic circuit has the characteristics of wide frequency range, wide voltage range, various waveforms, coexistence of AC and DC, and even noise interference. In addit...[Details]
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introduction
The continued rapid economic development and the widening gap between electricity supply and demand have created a natural space for the self-provided power supply system to d...[Details]
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After China's Ministry of Commerce announced that it would impose additional tariffs on US$75 billion worth of US imports, US President Trump indicated that he would increase tariffs on Chinese goods...[Details]
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CANFD and automotive Ethernet have been widely used in the new generation of intelligent connected vehicles, but they also bring new challenges to engineers in vehicle testing and troubleshooting. To...[Details]
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Millions of people now regularly use smart speakers and voice software to play games, listen to music or search for trivia, but millions of them are increasingly reluctant to buy the devices and thei...[Details]
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Our ultimate goal is to reduce the output ripple to a tolerable level. The most fundamental solution to achieve this goal is to avoid the generation of ripple as much as possible. First of all, we mus...[Details]
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On the morning of September 8, the mobilization meeting for the construction of Huadian Shandong’s first energy storage peak-shaving project, the Tengzhou 100MW/200MWh electrochemical energy storag...[Details]
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I believe that many digital enthusiasts have more or less heard news about mobile phone batteries swelling or even exploding due to charging. Recently, it was learned from the Qichacha websit...[Details]
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Measuring power supply ripple accurately is an art in itself. In the example shown in Figure 6.1, a junior engineer used an oscilloscope completely incorrectly. His first mistake was using an oscillo...[Details]
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How the monitoring system works As the front end of the system, the residual current action protector is installed in each low-voltage power grid control box to automatically monitor the status data ...[Details]
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Renesas Electronics announced that the ecosystem around its Arm Cortex-M-based 32-bit RA microcontrollers now covers a wide range of areas including security, machine learning, and more. Partners inc...[Details]
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1. Introduction Frequency converters are of great significance in energy conservation and power environmental protection. Electric motor drives are major consumers of electricity, consuming abo...[Details]
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Concept diagram of the latest electromagnetic wave absorption and shielding materials. Image source: Korea Institute of Materials Science
Scientists at the Korea Institute of M...[Details]