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In the past decade or so, the requirements and standards for indoor air quality have been continuously improved both at home and abroad. Accordingly, a series of standards and specifications have bee...[Details]
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This program is a step-by-step tutorial to teach you how to use 51 single-chip microcomputers. In the program, only the valid bits are displayed (the high bit 0 is not displayed), and the digital tub...[Details]
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On March 31, the Hangzhou Municipal Development and Reform Commission issued the "14th Five-Year Plan for Energy Development (Renewable Energy) in Hangzhou", which mentioned:
Key tasks
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According to the analysis of the phenomenon, the problem may lie in the power supply related circuit. During maintenance, open the cover and check the power circuit first. After inspection, it...[Details]
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The procedure of raising or lowering the bass and volume adjustment of this circuit is similar to the above circuit. The volume adjustment part connects pin 4 to the reference potential of pi...[Details]
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Recently, there have been multiple reports that multiple people close to Megvii’s senior management said that Megvii has suspended its listing process on the Hong Kong stock market, and the company w...[Details]
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51 single chip microcomputer: P3.2 pin is INT0 interrupt P3.3 pin is INT1 interrupt Button P3.2 P3.3 Button low level trigger: while(PB0==0); delay(); #include reg51.h ...[Details]
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Biometric payment cards with integrated fingerprint sensors make contactless payments more convenient, secure and hygienic. The contactless card remains in the cardholder's hand throughout the paymen...[Details]
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In actual work, due to the limitation of precision, it is often difficult to accurately measure the specific resistance values of these resistors , nor to judge their consistency. Therefore...[Details]
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Since AC mains power supply may cause power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations, these factors will affect the continuous operation of...[Details]
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The 2023 World Manufacturing Conference Photovoltaic (Energy Storage) Industry Supply and Demand Forum was held in Chuzhou. The meeting provided an in-depth analysis of the supply and demand statu...[Details]
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On November 6, 2022, the Shenzhen International Electronics Exhibition and Embedded Systems Exhibition (ELEXCON 2022) kicked off at the Shenzhen Convention and Exhibition Center (Futian). The exhibit...[Details]
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#include "iom16v.h" #include "macros.h" #define uchar unsigned char #define uint unsigned int /******************************************* Various states of data in TWSR, #include "iom16v.h" #includ...[Details]
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On April 12, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary WPI has launched a music player solution based on NX...[Details]
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Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision,...[Details]