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0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
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In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
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1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
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Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
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0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
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A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
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General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
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Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
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As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
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1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
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In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
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Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
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1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
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0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
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LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]