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According to Gartner, global PC shipments totaled 72 million units in the second quarter of 2022, down 12.6% from the second quarter of 2021. At the same time, Apple's global Mac shipments in the sec...[Details]
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This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
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Valve has released the Steam Link app for iPhone, iPad, and Apple TV, which means that any Apple device will be able to play Steam games in the future. Perhaps, this is another signal that PC games a...[Details]
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#include "macros.h" #define uchar unsigned char #define uint unsigned int void delay_ms(uchar i) { uchar a,b; for(a=1;a i;a++) for(b=1;b 141;b++) {;} } void main(void) { DDRA=0X80; PORTA=0X8...[Details]
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Abstract: A new, patented multi-phase cross-boost circuit topology is proposed (patent application No. 00257426 & 00130365). Using this multi-phase circuit topology, the output power of active po...[Details]
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Voltage doubler rectifier circuit diagram: If the power quality requirement is not very high, and the power requirement is not very large, but it is not easy to get a relatively high voltage. For exam...[Details]
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In the past few months, there have been constant speculations, rumors, spy photos, renderings, etc. about the appearance design of the iPhone 12 Pro Max; now, netizens in the Reddit community have sh...[Details]
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The switching power supply can be precisely controlled through the magnetic amplifier, which can improve its stability. The magnetic amplifier core can be made of thin film alloy, ferrite or amorph...[Details]
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A Wireless Sensor Network (WSN) is a multi-hop self-organizing network system composed of a large number of cheap micro sensor nodes deployed in the monitoring area through wireless communication. ...[Details]
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As a booster for stable growth, power grid construction has accelerated again.
The reporter learned yesterday that State Grid Corporation of China (hereinafter referred to as SGCC) has recentl...[Details]
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1. IntroductionLED
backlight
modules are divided into two categories according to the incident position of the light source: direct-type and side-entry. The direct-type is to
arrange
...[Details]
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design background: DDS (Direct Digital Synthesizer) is a new type of frequency synthesis technology with the advantages of low cost, low power consumption, high resolution, relatively large band...[Details]
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The recent Ideal ONE mercury incident has attracted industry attention. Earlier this month, Ideal car owner @贞谦叔 posted a video on the Ideal Auto APP, in which he found mercury on the seats ...[Details]
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Liu Suqin, a professor at Central South University and chief scientist of Beijing Xingchen New Energy Technology Co., Ltd., learned from reporters at the China International New Energy Storage Develop...[Details]
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CNC (Computer Numerical Control) system is a computer system used to control the movement of machine tools. The main task of the CNC system is to automatically control the movement of machine tools...[Details]