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Aiming at the problem that the electrolytic capacitor in the existing LED driving circuit limits the life, a design method for LED driving circuit without electrolytic capacitor is proposed. This m...[Details]
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introduction
In recent years, jitter has become a signal characteristic that communication engineers attach great importance to. In digital systems, clock frequencies are becoming higher and higher...[Details]
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The technology circle in 2023 is very hot. The rise of generative artificial intelligence has driven humanoid
robots
to instantly become the focus of attention. However, behind the prosperi...[Details]
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I got the board yesterday and finished soldering. I used i/o to control the relay, but it didn't work. I checked the transistors immediately and found that I got the package wrong when I was drawing ...[Details]
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Although the release of Apple's new iPhone 12 this year has been delayed, the market generally expects it to be unveiled in early Q4. Recently, news came from the supply chain that Apple has begun to...[Details]
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The number of new energy vehicles in use has gradually increased, and the second-hand new energy vehicle market has gradually emerged, with Tesla being the main force among them. According to forei...[Details]
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The recent emergence of macOS 11 and the M1 chip has once again made many people exclaim at Apple's ability to integrate its ecosystem. macOS 11 is compatible with applications on the iOS platform, w...[Details]
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Jiwei.com News: With the release of the "New Regulations on Refinancing", listed companies have been pushing forward with plans for additional issuance, and the recovery of the fixed increase fundrai...[Details]
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#include
#include
#define uchar unsigned char
#define uint unsigned int
void init()
{
DDRD&=~(_BV(PD4)|_BV(PD5)|_BV(PD6)|_BV(PD7)); //The upper four bits of the PD port are input, connected t...[Details]
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On the morning of April 2, according to Korean media The Elec, Apple is working with LG to develop a foldable OLED display panel with ultra-thin outer glass for future iPad and MacBook products...[Details]
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High-frequency electrodeless lamp is a high-tech product that integrates the comprehensive application of electronic technology, vacuum science, power electronics, plasma science, magnetic material sc...[Details]
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1 Battery structure and control
"Oh my god, man, that's a Tesla, it's brand new." If you didn't see it with your own eyes, no one would believe that the car on fire was a Tesla Model S. Before ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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This article uses a Donghua TFT LCD screen (WXCAT35), configured in the commonly used 16BPP (5:6:5) mode. External pin signal: VSYNC: vertical synchronization signal, indicating the start of scanni...[Details]
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Test products: Car audio and video monitoring board and 24V power board
Leimao laboratory temperature and humidity: 26 degrees, 61%
Test standards: static electricity, surge, load d...[Details]