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Recently, DXOMARK officially announced that it will release the audio, screen, and camera scores of the Samsung Galaxy S21 Ultra next week. IT Home learned that in the DXOMARK mobile phone...[Details]
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According to foreign media reports, Mohamed Abouelenien, assistant professor of computer and information science at the University of Michigan-Dearborn, once entered the field of lie detection and c...[Details]
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The modules used are: DC motor, servo, buzzer, infrared, temperature sensor, lcd1602, The frequency of this servo is 50HZ, and one cycle is 20ms. The angle is controlled by the proportion of high a...[Details]
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Atomthreads, like many operating systems, calls idle when there is no task scheduling. static void atomIdleThread (uint32_t param) { /* Compiler warning */ param = param; /* Loop fore...[Details]
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Expand When the Keil C51 compiler compiles a program, it generates a list file with the extension LST, also known as a listing file. This file contains a wealth of information about the compilation...[Details]
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According to Semiwiki, Wave Computing is closing down. The report pointed out that the company has reportedly let all employees go and filed for Chapter 11. However, according to industry insiders, W...[Details]
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A converter is a device that converts information from a source for a certain purpose. A matrix converter is a new type of AC-AC power converter. Compared with traditional converters, it has the follo...[Details]
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The frequency converter is a device that converts the industrial frequency power supply (50Hz or 60Hz) into AC power supply of various frequencies to achieve variable speed operation of the motor. ...[Details]
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If the polarity of an electrolytic capacitor is unknown, the polarity can be measured using the resistance block of a multimeter. We know that the leakage current of the electrolytic capacitor is sma...[Details]
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Photoelectric liquid level switch is a switch that can measure liquid level. It is widely used in industry, electricity, water conservancy, metallurgy, petroleum, chemical industry and other fields. C...[Details]
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Smart meters are smart terminals of smart grids. In addition to the basic electricity metering function of traditional energy meters, in order to adapt to the use of smart grids and new energy, they ...[Details]
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I was going to write the tick timer next, but I struck while the iron was hot and wrote the port from SPI2 to SPI1. Why should the migration from SPI2 to SPI1 be written in the nRF24L01 modul...[Details]
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There have been reports that the new iPhone may support handwriting input. Now it seems that Apple is working hard to promote the launch of this new feature. According to the latest news, Apple is ve...[Details]
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The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[Details]
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To use a certain type of LCD on an ARM board, you often have to modify the LCD driver or device tree, which is very inconvenient.
In ARM40-A5, we store the configuration instructions of common...[Details]
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