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When testing VF, brightness, and wavelength, the current must be set to 20mA. When testing VR, IR must be set to 10uA. When testing IR, VR must be set to 5V. When testing and using LEDs, the same...[Details]
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In the fiercely competitive domestic steering market, Lianchuang Steering has been quite low-key for many years. In the past two years, Lianchuang Automotive Electronics Co., Ltd. has seized market o...[Details]
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1 Classification of switching power supplies
Switching power supplies are divided into two types: isolated and non-isolated. Here we mainly talk about the topology of isolated switching power sup...[Details]
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[Introduction: my country's automobile industry is developing rapidly, and the field of intelligent driving has become the current mainstream development direction. With the tilt of policies and the ...[Details]
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Following the program execution flow, main is the program entry, where various initializations are performed. 1. Clock configuration First is RCC_Configuration(), which performs basic clock i...[Details]
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In recent years, with the improvement of living standards, the area of family residences has been continuously expanded, the living environment has been getting better and better, and people's livin...[Details]
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1 Overview
Alumina powder is one of the important chemical materials used in the manufacture of color picture tubes. The presence of carbon and sulfur in the material has a great influen...[Details]
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Power management generally refers to issues related to powering a circuit board. Issues include: Selecting various DC-DC converters to power the board Power supply sequencing/tracking Voltag...[Details]
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In order to solve the power quality problems such as harmonics, reactive power and three-phase imbalance in the three-phase four-wire power grid, this paper adopts
a
parallel active
power
f...[Details]
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Magnetic flap level gauges are widely used for level measurement and control in the production process of power, petroleum, chemical, metallurgy, environmental protection, shipbuilding, construction,...[Details]
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Introduction
Devices and machines are becoming smarter as the need for additional sensors, smart displays, and the ability to connect to the outside world continues to grow. With t...[Details]
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The results of two days,
/*************************************/
#include reg52.h
#define uint unsigned int
#define uchar unsigned char
uchar year,month,day,week,hours,minutes,seconds;
fly...[Details]
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To avoid thermal runaway, LED lighting system designers should consider the thermal characteristics of components. This is especially important in applications such as automotive lighting, where high...[Details]
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Today's electronic products not only require highly efficient heat dissipation devices, but also must operate in a smaller and thinner space than before. However, smaller cooling fans have to pro...[Details]
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Recently, the Shenzhen Development and Reform Commission issued the "Notice on Organizing the Application for Subsidies for the Construction of New Energy Vehicle Charging Facilities in Shenzhen fr...[Details]
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