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introduction
Multi-cell lithium batteries are widely used in electronic products, such as outdoor Bluetooth speakers, power tools, fascia guns, air pumps, etc. Traditionally, these e...[Details]
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The clock source of the STM8 microcontroller can be selected as internal or external, and can be easily switched during system operation. The following experimental program first switches the main ...[Details]
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Abstract: μPSD32xx is a SoC microcontroller integrating 51 cores and PSD (Programmable System Device). It has many functional components and is cost-effective. It is widely used in tax control equipme...[Details]
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On October 16, the new Mercedes-Benz E-Class was officially released in China and announced to be equipped with the Snapdragon 8295 chip . This release has triggered heated discussions. Not only n...[Details]
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On September 8, China Science and Technology Moto (Changzhou) Intelligent Manufacturing Co., Ltd. (hereinafter referred to as "China Science and Technology Moto") completed the first batch of del...[Details]
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Code:
#include reg52.h
#define uchar unsigned char
sbit rs=P2^2; //write instruction/data
sbit rw=P2^3; //read status/write
sbit e=P2^4; //enable terminal
sbit psb=P2^5; //serial/para...[Details]
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According to Reuters, two people familiar with the matter said that Telecom Italia (TIM) has excluded Huawei from the tender for 5G equipment for its core networks it is preparing to build in Italy a...[Details]
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The long life of LED is based on its safe working environment. For LED lighting, there are two main threats that affect its life: one is overcurrent shock, that is, the current applied to the LED e...[Details]
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Nowadays, more and more people have to buy electric cars. First, because of the policy restrictions on the purchase and driving of fuel cars, they have to buy electric cars. Second, the oil price con...[Details]
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Japanese giant Panasonic plans to close an overseas factory by March next year, and about 800 employees will be laid off... Panasonic Corp. recently...[Details]
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On June 5, Innoscience (Suzhou) Semiconductor Co., Ltd. held a groundbreaking ceremony for the mass production and R&D building in Fenhu High-tech Zone. Innoscience Suzhou Phase I project is expected...[Details]
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Dylan Patel, chief analyst at consulting firm SemiAnalysis, cited an informant who revealed that Intel (Intel) is preparing to cut the budget by 10% and lay off up to 20% of its two major divisions r...[Details]
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O-Film, which once provided lens modules for Apple, issued an announcement, announcing that it expects a net loss of 1.9 billion to 2.7 billion yuan in 2021, compared with a loss of 1.94 billion yuan...[Details]
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Overview: In C language, it is very convenient to use printf() for formatted output. For example, printf("%dn",a) can output the value of a in decimal format and then wrap. The prototype of the print...[Details]
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Working principle of electronic transformer
The electronic transformer introduced below has an input of AC220V and an output of AC12V, and its power can reach 50W. It is mainly a transformer circui...[Details]
Analog electronics
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