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The previous article systematically talked about the classification of communication, including parallel communication and serial communication. The classification of serial communication includes sy...[Details]
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I have been learning C51 for more than half a month. In this short half month, although I did not study every day, at least the time I invested was proportional to the number of days. Fortunately...[Details]
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In various closed mobile cabin environments, there are a large number of gaseous pollutants, which exist in molecular state, and most of them are inorganic gases, such as CO, NO2, H2S, LEL, VOC, et...[Details]
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According to foreign media reports, Japan's Toshiba announced on Tuesday that in order to improve the group's profit margins, the company will exit the loss-making LSI chip business and only retain t...[Details]
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This article introduces a simple home anti-theft watchdog circuit (see the figure below). Schematic diagram of anti-theft watchdog based on NE555 The time base circuit NE555 and R1 and CL form ...[Details]
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The wideband RF diversity switches BGS14WMA9 and BGS12WN6 feature high switching speeds. They are optimized for WLAN and Bluetooth applications and provide 0.05 to 6.0 GHz broadband support for FM br...[Details]
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Why can't the tube radio receive a station?
First, touch the surface temperature of the electron tube with your hand after turning on the machine for a few minutes. Under normal circumstances,...[Details]
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New inspection systems and innovative inline screening solutions help fabs improve product quality
MILPITAS, Calif., June 23, 2021 – Today, KLA announced the release of four new products...[Details]
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principle: 16 keyboards can be controlled through eight pins. The upper four bits control the rows and the lower four bits control the columns. Code: #include reg51.h #define SMG P0 //Macr...[Details]
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Whether it is a development guide, a Chinese and English reference manual, or something else! It's just a bunch of nonsense. Isn't it just the following thing? If you understand the following fundame...[Details]
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Several headhunting companies are recruiting talents for Baidu in Jiangsu, Zhejiang and Shanghai to build cars. The targets of this recruitment are mainly middle-level backbones, including directors,...[Details]
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Phenomenon 1
The loop resistance tester is connected to the 220V AC power supply, the fan has no running sound, and the ammeter and micro-ohmmeter have no display when the "test switch" is pressed.
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Vishay Intertechnology, Inc. will exhibit the latest "Vishay Automotive Grade" product line, which is the focus of the automotive industry, at the Munich Shanghai Electronics Show (Electronica China)...[Details]
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GPIO — General purpose input/output General Purpose Input/Output (GPIO) is organized as a port of up to 32 I/Os (package dependent), allowing up to 32 pins to be accessed and controlled through a sin...[Details]
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2023 is the 100th anniversary of Valeo, and a century of development is inseparable from technological innovation. On October 24, 2024, at the 12th Automotive and Environmental Forum, Valeo China C...[Details]
Power technology
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