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The digital panel mainly contains a liquid display screen, gear selection switch and various jacks. The dt-830b digital multimeter panel is shown in the figure. dt-830b digital multimeter panel (1)...[Details]
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Automobiles are a commonly used means of transportation in a modern and rapidly developing society, and are also technology-intensive and capital-intensive industrial products. Almost all economic po...[Details]
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Many users are used to putting screen protectors on their new phones to protect the screen from scratches. However, Samsung does not recommend putting screen protectors on foldable screens. ...[Details]
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Multi-phase DC-DC converter leads
Today's high-performance ASICs and microprocessors have been widely used in various fields such as industrial control, communications, and aerospace. How...[Details]
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There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, we have truly entered the multi-tasking system and g...[Details]
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RT9248 application circuit:
The RT9248 is a multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM. The RT9248 controls 2 or 3 buck switching stages operatin...[Details]
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(1) Detection circuit. Figure 5-7 (a) shows a circuit for directly measuring DC voltage using a pointer multimeter. This detection circuit is relatively simple. When measuring, the multimeter is conn...[Details]
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Treat favor and disgrace as a surprise, and treat great troubles as if they were your own body. What does it mean to treat favor and disgrace as a surprise? To be favored is to be humble, to receive ...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
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We all know that Samsung is the absolute leader in small-screen OLED, while LGD occupies the vast majority of the large-screen OLED market. However, a recent piece of news may overturn this situation...[Details]
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Overview
Currently, the electronics world is moving away from the traditional test and measurement philosophy and toward a more hybrid approach. A few years ago, if you needed to generate or measure ...[Details]
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As a sequel to the LED driver introduced in the previous article, the main change is that the function of automatically creating device nodes during driver loading is realized by using the mdev mechan...[Details]
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The power battery industry shows signs of cooling down At present, the power battery industry seems to be showing signs of cooling down. "State subsidies" have completely declined and new producti...[Details]
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When measuring with a noise meter, the instrument should be in the correct gear according to the situation, and the two hands should hold the two sides of the noise meter flat, with the micro...[Details]
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The actual picture is as follows: The circuit diagram is as follows: The microcontroller source program is as follows: #include reg52.h #include Star1602.h #define CIRCLE 2.0 //Macro definition o...[Details]