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Under the strong blockade of the United States, Huawei was forced into a corner. Some time ago, the "backup plan" came to the fore. Recently, there was news that Huawei has directly designed the PA o...[Details]
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Digital blogger @B·WONG released a set of photos today and claimed that the photos were real photos of Huawei Mate 40 Pro, but the blogger deleted them in the evening. In addition, digital blogger ...[Details]
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Recently, the "2019-2020 China Charging Infrastructure Development Annual Report" (hereinafter referred to as the "Report") jointly compiled by the National Energy Administration and the China Elec...[Details]
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The diode test shown in the figure is simple and easy to perform, and the test is convenient and fast.
In the figure, T is a 220/3V, 2W transformer; VD1 and VD2 are 2CP10 type rectifier diodes, LE...[Details]
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At present, with the continuous increase of LED display industry in China, there are more and more LED large-screen display screens in the streets and alleys of major cities. People's consumption l...[Details]
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In order to estimate the water situation in winter, it is necessary to measure not only the rainfall but also the snowfall. Based on the original rainfall telemetry circuit, this circuit can realize t...[Details]
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#define mcu_pic
//MCU type selection mcu_avr mcu_51 mcu_pic mcu_msp430
/******************************************/
#define uchar unsigned char
/**************************************************/
#i...[Details]
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In recent years, LED technology has developed rapidly and has been widely used in signal indication, lighting, backlight, display and other aspects. With the improvement of chip technology, LED ha...[Details]
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Interface technologies with low EMI, high throughput, low power consumption, and noise immunity will become an important part of the ultra-portable and consumer product markets. This article will d...[Details]
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According to foreign media reports, on February 13, lidar manufacturers Ouster and Velodyne announced that they had successfully completed a "merger of equals", creating a new lidar giant. The combin...[Details]
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Perhaps you can't imagine that behind the "three meters" of electricity, water and gas meters that are inconspicuous in your life but silently turn for you every day, a smart revolution worth tens of...[Details]
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The basic characteristics of the three-phase bridge fully controlled rectifier circuit are as follows:
1. Voltage controllable: By controlling the conduction angle of the rectifier, the voltag...[Details]
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According to foreign media reports, at a press conference held in Europe recently, Koji Sato, president of Lexus International, said that this year, Lexus will launch a car equipped with a hands-free...[Details]
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6.2.8 RTC Clock By setting the RTCSEL bits in the backup domain control register (RCC_BDCR), the RTCCLK clock source can be HSE/128, LSE or LSI clock supply. This selection cannot be change...[Details]
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On October 22, Zhang Long, general manager and deputy secretary of the Party Committee of Three Gorges Energy, held a discussion with Hou Jinlong, director of Huawei and president of Huawei Digital...[Details]
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