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This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
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LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
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The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
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The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
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With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
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The performance of most portable products depends on the quality of the batteries that power them. In recent years, as battery performance has improved, portable products are moving towards smaller...[Details]
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What is Power Monitoring Software
Power monitoring software is used in conjunction with an uninterruptible power supply (UPS) to improve its performance. When using an UPS, users can use this ...[Details]
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Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]
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Dynamic loads present some of the most challenging problems in the power supply field. Rapidly changing currents or pulsed currents are extremely difficult to control, and many devices under test ...[Details]
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LED drivers that accept power from a single battery are receiving a lot of attention. To generate a high voltage capable of lighting up a white LED from a low voltage power supply, some kind of ele...[Details]
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The MIC3203 from Micrel
is a hysteretic buck, constant current,
high brightness LED
(HB
LED
)
driver
that provides an ideal solution for interior/exterior lighting, architectural and ...[Details]
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1. Introduction
Semiconductor
Light-emitting diodes, referred to as
LEDs
, were developed in the 1960s and gradually moved towards the market, and their packaging technology has...[Details]
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With the advent of high-power thyristors (SCR), high-power transistors (GTR) and new field-effect transistors (IGBT), variable frequency speed regulation technology has become increasingly mature s...[Details]
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In the data sheet of power MOSFET, there are usually parameters such as single pulse avalanche energy EAS, avalanche current IAR, repetitive pulse avalanche energy EAR, etc. However, many electroni...[Details]
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A constant current source is a power source that can output a constant current. The application field of constant current sources is very broad. However, many occasions where constant current sourc...[Details]
MCU
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