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Recently, RayLED Semiconductor announced the completion of a Pre-A round of financing of tens of millions of dollars, led by Gaorong Capital and followed by Yaotu Capital. The funds raised in this ro...[Details]
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On the morning of April 27, the well-known foreign disassembly and repair website iFixit recently disassembled the new iPhone SE and concluded that many parts of this phone are compatible with ...[Details]
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According to Bloomberg, the new iPhone to be released in 2020 is expected to add an under-screen Touch ID fingerprint recognition sensor. Although Samsung, Huawei, OnePlus and other Android phone m...[Details]
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At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
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Hall sensors are usually used to measure DC current. Since AC clamp meters cannot use electromagnetic induction, the Hall sensors are placed as shown in the figure below. The magnetic flux generated ...[Details]
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0 Introduction
In the application of intelligent home control system, wireless communication and control have been used more and more widely. In order to realize the centralized wire...[Details]
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The figure shows
the circuit
diagram
of
a 2.75 W constant voltage/constant current (CV/CC) universal input
charger
power supply
, which uses the LinkSwitch product LNK613DG from ...[Details]
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LED (Light Emitting Diode) is one of the fastest growing industries in the world today. The characteristics of LED high brightness, low energy consumption and long life make LED display screens ha...[Details]
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On April 16, CATL and Chery Automobile jointly announced that CATL's sodium-ion batteries will be first launched in Chery models. As early as July 29, 2021, CATL released the first generation of sodiu...[Details]
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With
the continuous improvement of
LED
technology, related LED application products have also received more and more attention. Among them,
LED lighting fixtures
are very important. ...[Details]
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In a single-chip microcomputer system, if more keys are used, a matrix keyboard (also called row-column keyboard) is usually used.
1. Structure and principle of matrix keyboard A matrix
keyb...[Details]
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Code: #include reg52.h #include intrins.h #define uchar unsigned char #define uint unsigned int void DelayMS(uint x) { flying i; while(x--) { for(i=200;i 0;i--); } } void Move_LE...[Details]
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Project Background
With the advent of the Internet of Things, many provinces and cities in China issued the "Internet of Things Development Plan" in 2010, and the development of smart homes in the ...[Details]
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A good memory is worse than a bad pen. To facilitate code review and code reuse in the future, the S3C2440 UART driver code is posted here. The friendly MINI2440 development board is used, and the de...[Details]
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introduction In the process control of modern process industry, analytical detection has the characteristics of online, multi-component and real-time detection, and has strict requirements on a...[Details]
PCB Design
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