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On May 27, it was reported that Samsung Electronics' latest high-bandwidth memory (HBM) chip had not passed Nvidia's test, and "people familiar with the matter" said that the company's chips were a...[Details]
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1 Composition principle of high-frequency switching power supply
High-frequency switching rectifier generally directly rectifies and filters the AC power into DC power through diodes, and the...[Details]
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On January 9, 2024, Dalianda Holdings, a leading international semiconductor component distributor committed to the Asia-Pacific market , announced that its subsidiary Shiping launched a Bluetoot...[Details]
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1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
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The industrial robot industry chain can be divided into upstream, midstream and downstream: The upstream is the key parts manufacturers, mainly reducers, control systems and servo systems; the mids...[Details]
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According to foreign media reports, batteries have been widely used in electric vehicles , electronic devices and other fields, and are expected to become a sustainable energy storage option. It is w...[Details]
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The air flow meter is a device that converts the inhaled air flow into an electrical signal. The car air flow meter is used to detect the intake volume of the car engine. It converts the information ...[Details]
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my country's integrated energy services as a whole are still in the early stages of development. Relevant companies have been planning projects such as energy internet, smart energy, multi-energy c...[Details]
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When Apple priced the iPhone X at $1,000, it caused a huge stir. However, after it became a big hit, it was no longer a novelty for Samsung, OPPO and other companies to launch smartphones priced at $...[Details]
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In 1987, BL WilkinsON proposed an average current control scheme, which was first applied to power factor correction converters and patented. The figure shows the average current control circuit bl...[Details]
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Linux kernel version number: linux 2.6.39
Cross-compilation tool: arm-linux-gcc 4.5.1
Linux kernel download: www.kernel.org
Development board: Friendly Arm Tiny6410
1. Unz...[Details]
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1. 概述
绿色工作模式PWM控制器SG6840/SG6841具有许多特殊的功能和完善的保护特性。在备用状态下，PWM工作频率自动降低，功耗减小，但输出电压仍保持稳定不变，该器件采用Bi-CMOS工艺制造，起动电流和正常工作电流大大减小，因此电源转换效率较高。起动电流典型值只有30μA，工作电流也只有3mA。在正常工作状态下，SG6840/SG6841为固定频率PWM控制器。工作过...[Details]
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On the evening of April 19, Dongshan Precision released its 2021 annual report. The company achieved operating income of 31.793 billion yuan, a year-on-year increase of 13.17%; net profit attributabl...[Details]
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Circuit diagram
C program:
#include reg51.h
sbit K01=P1^4;
sbit K02=P1^5;
sbit K03=P1^6;
sbit K04=P1^7;
sbit VD17=P3^0;
sbit VD18=P3^1;
sbit VD19=P3^2;
sbit VD20=P3^3;
void delay()...[Details]
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Digital electronic clock is a modern counter composed of digital integrated circuits and has digital display features. Compared with traditional mechanical timers, it has the advantages of accurate...[Details]
Automotive Electronics
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