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The constant current method can be used to measure high resistances using an electrometer voltmeter and current source or using only an electrometer ohmmeter. Measurements can also be made using an SM...[Details]
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LEDs
are current-
driven
devices whose
brightness
is proportional to the forward current. Many
portable
electronic products require backlight
LED driver
...[Details]
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1 Introduction
With the rapid development of economy and the continuous improvement of people's living standards, health has become the focus of people's attention. Heart disease is a major kil...[Details]
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I saw a lot of rotating LED displays made by foreigners on the Internet, which were very cool. I also tried to make a similar display with a perforated board, and the result was pretty good. So ...[Details]
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Earlier this year, Tesla acquired Maxwell, an energy storage product company, for $218 million at a 55% premium. However, if we go back a few years, Tesla was not very well-known in China's energy-sa...[Details]
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introduction
Due to the oil crisis and increasingly serious environmental pollution, the development of electric vehicles has become an irresistible trend. Batteries provide power for elec...[Details]
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TSMC has reallocated its production capacity in response to demand for automotive chips and has notified panel driver IC customers to reduce supply. Industry insiders estimate that the impact of capa...[Details]
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1 Introduction
Organic light emitting diode (OLED) is a new type of flat panel display device and two-dimensional light source. By testing the current-voltage characteristics, luminous brigh...[Details]
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Thermocouple disconnection detection utilizes the characteristic that the resistance becomes infinite after the thermocouple is disconnected. In the circuit shown in the figure below, assume that the...[Details]
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In the application of single-chip microcomputer system, we often need to use reset technology to achieve anti-interference. Some single-chip microcomputers (such as 8098) have special reset instruc...[Details]
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For a long time, due to the large self-discharge of nickel-metal hydride batteries, the user experience of nickel-metal hydride batteries has not been good in the customer's hands. It often happens...[Details]
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Earlier this week, a leak revealed key specs of OPPO’s 2021 flagship phone, the Find X3 Pro. Today, another leak gives us our first look at the device’s design. The Find X3 Pro renderings posted by...[Details]
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0 Introduction
Solar energy is a clean green energy source, and semiconductor light emitting diodes (LEDs) are also an environmentally friendly, energy-saving, and efficient solid-state el...[Details]
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1. Winding connection method
1. The star connection method of the motor is to connect the three-phase ends of the motor winding together, and the first end of the three-phase is the power supp...[Details]
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In the process of the automotive industry's transformation towards intelligence, the development model of automobiles, consumers' perception of automobiles, and the business model of automobile sal...[Details]