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Recently, market analysis agency Greenlight Insights released the VR offline market research report "2019 Location-Based Virtual Reality Industry Report". The VR offline entertainment market will rea...[Details]
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1. Introduction
With the continuous development of modern industry, the application of frequency conversion technology has penetrated into various electromechanical control equipment....[Details]
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Short battery life and slow energy replenishment are two major pain points of electric vehicles. Especially during the peak holiday period, electric vehicle owners are envious of the refueling method...[Details]
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Most
Gas discharge lamps
are made by utilizing the characteristics of arc discharge, and have the negative resistance characteristic that the voltage decreases as the current increases. In or...[Details]
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LED display screen, also known as electronic display screen, is composed of LED dot matrix, which displays text, pictures, animations, and videos by turning on and off red or green lamp beads. T...[Details]
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Function: Determine the state of a key;
return value: 0x00-no key pressed, 0x01-short key pressed, 0x02-long key pressed; (This...[Details]
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DC
DC is the abbreviation of direct current.
Generally
,
it refers to the current whose direction does not change with time.
AC AC is the abbreviation of alternating current. Generally...[Details]
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A device that maintains a steady current in a circuit, such as a dry cell, storage battery, or DC generator. A DC power supply has two electrodes, positive and negative. The positive electrode ha...[Details]
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Internal and external connection of ammeter in measuring resistance by volt-ampere method
There are two basic circuits for measuring resistance using the volt-ampere method: the ammeter is co...[Details]
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Recently, the selection of "Top Ten Advances in Chinese Science in 2020" organized by the High Technology Research and Development Center of the Ministry of Science and Technology of my country was...[Details]
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The last 3 seconds of flashing is achieved by the variable t. t divides the countdown of 26s (0 ~ 25 is 26s) into 2600 10ms intervals. When the value of t is less than 300, the 1000ms interval is ...[Details]
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1 Introduction As we all know, it is a difficult problem to accurately and effectively track and detect weak and small targets under complex background conditions. In this case, due to the small con...[Details]
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As a light-emitting device with low power, long service life and low energy loss, light-emitting diodes have been popular in China for nearly 20 years. Due to their special performance advantages, th...[Details]
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introduction The principle of single-chip microcomputer is widely used. According to the requirements of the single-chip microcomputer principle and application course, two aspects of design are main...[Details]
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In the electric vehicle drive controller, the inverter controller is a key component for achieving AC/DC energy conversion, which is used for energy recovery during motor driving or braking or to p...[Details]
Power technology
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