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According to foreign media reports, in late February this year, researchers from the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) demonstrated a 20KW bidirectional wireless chargi...[Details]
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0 Introduction
Inverters have been widely used in many technical fields such as AC electric transmission and UPS. The main circuit switch devices often use fully controlled devices such as IGBT, MO...[Details]
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1 Introduction
With the rapid update and development of technologies such as motors, household electronics, computers, and communications, the demand for permanent magnetic materials is increasing...[Details]
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This question hits the nail on the head, so let's talk about it. I'll try not to turn this into an academic lecture, but you still need to understand a few concepts. Lithium-ion batteries lose a li...[Details]
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Charging time has always been a problem for electric vehicles. During the recent National Day holiday, electric vehicles were lined up for charging. The reason for this problem is that the charging t...[Details]
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The new school year has begun, and many schools have started microcontroller courses this semester, so here, EEWORLD editors have planned a complete microcontroller tutorial for students, starting fro...[Details]
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Infrared remote control technology is a technology that uses infrared rays to transmit instructions. It is widely used in many fields such as household appliances, toys, security, military technolo...[Details]
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Translated from - cnet Comcast's mobile service can now connect to Verizon's millimeter wave 5G network. Comcast's cell phone service, Xfinity Mobile, will use Verizon's network, and they are...[Details]
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As a video conferencing system that relies on the network to operate, the network environment plays a decisive role in the effect of the conference. As the application scope of video conferenc...[Details]
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Easy to get started with single chip microcomputer: dynamic display of five digital tubes Last time, we talked about the static display of digital tubes. This time, we will introduce dynamic display....[Details]
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Cds---drain-source capacitance
Cdu---drain-substrate capacitance
Cgd---gate-source capacitance
Cgs---drain-source capacitance
Ciss---gate short-circuit common source input capacit...[Details]
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Video (digital) conferencing
The selection of the system is mainly considered from five aspects.
1. Networking method: whether the networking method is flexible, whether it is suitable f...[Details]
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Recently, some media exposed a "Letter from All Employees of GAC Mitsubishi". The letter stated that due to sales falling far short of expectations and operating difficulties, GAC Mitsubishi official...[Details]
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#include
#include stdio.h
/*
Program function: This program is used to test the 4X4 matrix keyboard; and has the ability to long press test.
When a key is pressed, the pressed key ...[Details]
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Inductor current circuit diagram for a given 1kHz sine wave
1-current setting, 1A/grid; 2-inductor current, 1A/grid; time, 250μs/grid. Circuit diagram of inductor current when given a 1kHz sine ...[Details]
NXP MCU
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