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Wireless charging refers to charging a battery-powered device by obtaining power through wireless induction. Its convenience makes consumers willing to pay extra for wireless charging-related product...[Details]
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European smart home company Somfy will start making its Tahoma gateway compatible with HomeKit next month, according to the iFun.de website. The gateway is used to control a range of products from ...[Details]
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Linear array speakers are called line source array speaker systems. They are composed of multiple speakers. Because they are very close, they are easily interfered when interlaced in the radiation ...[Details]
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C code:
#include reg51.h // Include header file
sbit HC164_data = P3^0; // Port pin definition. , data output terminal,
sbit HC164_CLK = P3^1; // Clock output terminal
// Delay function
void d...[Details]
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Modern rectifier chargers are divided into two types: buck type and boost type. The buck type is mainly used when the UPS battery pack voltage is lower than a certain value of the input AC peak vol...[Details]
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Design Description Fingerprint recognition is used in a variety of applications, including electronic access control systems, smart cards, vehicle ignition switch control systems, USB memory stick...[Details]
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In 2019, Tesla made a lot of efforts in power batteries. It acquired Maxwell Battery Company, built its own secret battery research center, and cooperated with universities to research new technologi...[Details]
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How to connect the car speaker crossover
Crossover: INPUT: audio input WOOFER: midrange TWEETER: treble
In general, the crossover has the three interfaces as mentioned above. "INPUT" is t...[Details]
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1. Software 1) Convenience. This is mainly reflected in the later development, that is, developing applications directly on the operating system. Unlike a single-chip microcomputer , everything needs...[Details]
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The working current of portable instruments such as digital multimeters is very small. Because the internal circuits require a higher voltage to be powered, they are generally powered by 9V laminated ...[Details]
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In November 2020, after Qian Dongqi and his team completed comprehensive planning and preparation for Tineco's Double 11 promotion, waiting for a concentrated burst of data became the key for them...[Details]
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1. reset
Interrupt vector table
2. Enter reset
(1) Set svc32 mode
(2) Flash I/D caches
(3) Disable MMU and cache
(4) 2440 No one
(5) bl lowlevel_init
Con...[Details]
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The new lidar system uses quantum detection technology to capture 3D images in real time underwater. Image source: Physicist Organization Network British scientists have demonstrated for the firs...[Details]
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The purpose of isolation is to avoid the risk of electric shock caused by operating errors during maintenance. Although there is isolation, it does not mean that there will be no electric shock at al...[Details]
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Germany's MR and China National Electric Equipment Group Co., Ltd. jointly open a new chapter at the CIIE
November 7, 2024, Shanghai, China – Today,
during the 7th China Inter...[Details]