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The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
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The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
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During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
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1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
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High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
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The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
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Sensors of all types have evolved greatly over the past few years and are much more accurate and stable than their predecessors. Sometimes, these sensors are not easy to use.
Designers of cond...[Details]
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1 Introduction
A digital signal processor (DSP) is a microprocessor suitable for implementing various digital signal processing operations. It has the following main structural features: (1) I...[Details]
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This design realizes the connection of a 4-row 4-column matrix keyboard to a single-chip microcomputer through one pin
.
It is an ideal choice when the number of pins is limited and has the...[Details]
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1 Overview
The mixer is the most common frequency conversion device,
and the measurement of frequency conversion devices has always been relatively difficult and complicated. Tradition...[Details]
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This design replaces an electromechanical switch with a capacitive sensor button (circular or square pad on a PCB). The PIC12CXXX MCU is well suited for this application, and a cheap, fully electronic...[Details]
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Theoretically, any MCU can be broken by attackers with enough investment and time using the above methods. Therefore, when using MCU for encryption authentication or system design, the attacker's atta...[Details]
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GaN LEDs are widely used in mobile phone keypads, backlighting
components
, camera flashes, full-color outdoor
displays
,
etc., but their output
power
has not been high enough to signif...[Details]
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1 Introduction
At present, most of the power factor compensators used by many industrial and mining enterprises adopt the method of three-phase simultaneous compensation, which has a bette...[Details]