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According to Taiwan media Commercial Times, panel manufacturer TPK-KY benefited from improved product mix and higher gross profit margin in the fourth quarter of 2020, with net profit per share after...[Details]
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/*MCU I/O ports are an important part of MCU resources and are also essential resources for expanding peripheral devices. It is the goal of MCU engineers to achieve more functions with as few I/O port...[Details]
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After the "chip shortage" problem broke out in the automotive industry, car manufacturers and domestic Tier 1 (first-tier suppliers of car manufacturers) coordinated production capacity to solve urge...[Details]
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1. Introduction ARM microprocessors have been widely used in industrial control, consumer electronics, communication systems and other fields. Matrix keyboard is a commonly used keyboard form, which ...[Details]
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"It used to cost one or two yuan to fully charge my phone, but a few days ago I was charged 12 yuan." Wu Xiangyu claims to be a long-term user of shared power banks. Because he uses his phone frequen...[Details]
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Fully automatic replacement of car batteries, 90 seconds to fully charge the vehicle, and the driver can enjoy the ultra-fast battery replacement experience without getting off the car... Recently, Li...[Details]
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To debug ARM, you must follow ARM's debug interface protocol, and JTAG is one of them. When simulating, IAR, KEIL, ADS, etc. all have a public debug interface, and RDI is one of them. So how do we co...[Details]
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In recent days, Henan Province has been hit by a once-in-a-millennium torrential rainstorm, which has caused serious damage to people's lives and property. Many companies across the country have rush...[Details]
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At present, the tide of new infrastructure construction is sweeping across the country, and intelligence, greening and low carbonization have become the mainstream direction of social development. ...[Details]
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During the operation of the ceiling fan, the speed often slowly decreases. What are the reasons for the low speed of the ceiling fan? Is it a problem with the deformation of the ceiling fan blades ...[Details]
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When measuring insulation resistance with an insulation resistance tester, what factors may cause inaccurate measurement data? Why? a) The battery voltage is insufficient. The battery voltage is too ...[Details]
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When building an ARM project in Keil (I use realview mdk3.11) One of them is to select use MicroLIB Since I am not very familiar with KEIL, I checked it and got the following information: microlib ...[Details]
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(I) Failure of peripheral circuit components
This type of failure often occurs after the PLC has been working for a certain period of time. If a component failure occurs in the PLC control loo...[Details]
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1 Interrupt system structure The following figure shows the path from the interrupt pin to the interrupt entry: It is not difficult to see from the figure that INT0 and INT1 are interrupt pins, whi...[Details]
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The figure shows the triangle wave forming circuit in the PULSE500 backup industrial frequency machine, which can generate positive and reverse triangle waves.
IC4A, IC4B, IC7A, IC7B, W7 and peri...[Details]
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