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In this section, we will explain the use of digital tubes. Since the principles have been learned when learning about 51 single-chip microcomputers, here you only need to use the previously learned o...[Details]
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According to a netizen's contribution to IT Home, Huawei P40 series has pushed an important patch package for HarmonyOS 2, which mainly fixes the abnormal display of signal icons in the status...[Details]
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2012 is the first year that LEDs have entered indoor and home lighting on a large scale, and it is also the first year that civilian LEDs have begun to be used. As civilian products, more stringen...[Details]
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51 MCU precise delay program (crystal oscillator 12MHz, one machine cycle 1us.)
Several precise delay programs: In the calculation of precise delay, the most easily overlooked part is the delay out...[Details]
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There are two basic property nodes for position information of front panel objects: BOUNDS AND POSITION. Let's look at BOUNDS first.
Bounds is composed of two elements, height and width. Its unit is ...[Details]
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1. Configure the memory controller registers When our S3C2440 accesses SDRAM, it first sends out an address, and then the memory controller first sends out a chip select signal nGCS6 according to the...[Details]
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On May 25, the China Academy of Information and Communications Technology released an analysis report on the operation of the domestic mobile phone market in April 2022, and the situation was gloomy....[Details]
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This article introduces a 5W Y-capacitor-free charger design, and explains in detail a transformer structure design, how to pass the EMI test without the Y capacitor; at the same time, the standby po...[Details]
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On August 17, 2023, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Youshang has launched an industrial...[Details]
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1. This article describes how to read and write CF cards using the 8051 microcontroller. 2. How to operate the CF card The operation of CF card is similar to the operation of computer hard disk...[Details]
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Abstract: Valve-regulated lead-acid batteries are widely used in backup DC power supply. However, due to the lack of necessary monitoring means in actual use and the lack of accurate monitoring method...[Details]
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1 Introduction
Biomass high-temperature air gasification technology is a high-tech in the field of fuel utilization and energy supply. It is of great significance to improve resource utili...[Details]
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Announcement from the Ministry of Industry and Information Technology of the People's Republic of China
No. 53, 2020
In accordance with the requirements of the "Standardized Condition...[Details]
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According to Taiwanese media reports, due to the rapid recovery of mainland China's production capacity, global branded and white-label tablet shipments have rebounded significantly, pushing global ...[Details]
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Industrial Summit 2024 was successfully concluded in Shenzhen, China on October 29, 2024. The conference exhibited more than 150 application solutions, held 28 sessions on mot...[Details]
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