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In a low-voltage three-phase four-wire power supply system, the voltmeter is generally connected using the direct measurement method. When the measured phase voltage is 220V, the phase line L is conn...[Details]
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Seagate said that after several years of work, it has designed two custom RISC-V processor cores to enable a range of functions including computational storage. Seagate says one of the CPUs is focu...[Details]
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Measuring resistance with two wires is very convenient, but it can introduce measurement errors. This error can be nearly eliminated by using a 4-wire multimeter with separate source and measuremen...[Details]
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(The picture shows the 89C51 pin diagram) 1. There are 5 interrupt sources in the 89C51 microcontroller: two external interrupts, two timer/counter interrupts (overflow), and one serial port inter...[Details]
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1. Pin multiplexing From the schematic diagram, we can find that timer 0 (T0) and timer 1 (T1) are multiplexed functions of P3.4 and P3.5. When these two pins are configured as timer functions, the s...[Details]
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On March 25, Yogesh Brar, a whistleblower, said that Qualcomm will release a new flagship processor, Snapdragon 8 Gen 1+, in May, using TSMC's 4nm process. It is expected that the first batch of mode...[Details]
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Recently I looked at the configuration of ARM's external interrupts. The specific configuration is as follows:
1) Enable the port clock;
2) Configure the required port as an input port. The specifi...[Details]
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1. Definition of variables and variable space For 8-bit microcontrollers, the only directly supported variable types are unsigned characters and bits. Pay attention to two principles: First, alwa...[Details]
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Paint scratch tester, coating automatic scratch tester, paint and coating scratch resistance tester surface scratch tester, paint film scratch tester, coating scratch tester, coating scratch resistan...[Details]
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1. Don’t be greedy for too many types of microcontrollers
There are many manufacturers of single-chip microcomputers, and there are many types. For example, there are as many as 500 types of PIC ...[Details]
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No one would dispute that test cost has become a major issue in chip design. But what is puzzling is the magnitude of the problem, not only because test cost is the largest component of chip cost in s...[Details]
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On June 21, Huawei will release the new nova 5 series in Wuhan. This time, there will be three models, including nova 5, nova 5 Pro, and nova 5i, and the configurations are also unprecedented. It can...[Details]
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As a material property, hardness refers to the ability of a solid surface to resist elastic deformation and plastic deformation in a small or very small volume, and is a representation of wear resista...[Details]
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32-bit ARM embedded processors have the characteristics of high performance and low power consumption, and have been widely used in consumer electronics, wireless communications, network communicat...[Details]
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Gartner recently released the 2024 China Security Technology Maturity Curve, which introduces innovations in China's security field.
This year, two new innovations were added: AI network securi...[Details]
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