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LED, fluorescent lamp, incandescent lamp, these all we need to understand one of the important parameters - power factor (PFC), let's understand what power factor is.
1. Power factor
The ...[Details]
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Functional description:
The 4 common anode seven-segment displays display 4 digits at a time. There are 16 characters from 0-F, which are divided into four groups of digits: 3-0, 7-4, B-8, a...[Details]
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Early this morning, Apple released iOS 14.2 and iPadOS 14.2 GM version updates for developers and public testers. Apple iOS14.2 added more than 100 new emojis, including smiley faces, ninjas, pinched...[Details]
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Tianyancha App shows that Jiangsu Changjing Technology Co., Ltd. has recently undergone a number of industrial and commercial changes, with nine new investors including Hubei Xiaomi Changjiang Indust...[Details]
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Wireless sensor network is an intelligent network that is composed of a large number of cheap and micro sensor nodes with communication and computing capabilities, which transmit information to each o...[Details]
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I have studied the 430 comparator these two days. At the beginning, I didn't understand what it was. I read the blogs on this website and seemed to understand it, but when it came to programming, I h...[Details]
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Lithium batteries have developed rapidly due to their many advantages such as high energy density, high output voltage, long service life, and low self-discharge rate. They have been widely used in r...[Details]
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Alipay and WeChat's QR code payment is the mainstream method of mobile payment. In daily payment activities, more and more consumers prefer to use this payment method. The 113th PLA Hospital is a com...[Details]
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Overview STM8S provides three types of TIM timers: advanced control type (TIM1), general type (TIM2/TIM3/TIM5) and basic timer (TIM4/TIM6). Although they have different functions, they are all based ...[Details]
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Violence broke out during the night shift at a Wistron manufacturing plant that had just opened in Narasapura, India last Friday (December 11), allegedly because Apple assembly partner Wistron failed...[Details]
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At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
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Advantages of pure sine wave inverter over improved sine wave inverter:
a) The output voltage waveform is a pure sine wave with extremely low harmonic distortion and is as clean as utility pow...[Details]
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Recently, major breakthroughs have been achieved in the field of solid-state batteries , and related products have been put into mass production. In addition, progress has also been reported in batte...[Details]
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Recently, the State Intellectual Property Office issued a "Decision on the Examination of the Request for Invalidation", with the decision number 52022 and the patent number 201830398299.X, declaring...[Details]
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Cypress Semiconductor Corp. announced that LG Electronics has selected Cypress's PSoC-based CapSense solution for its "LE" series of LED-backlit high-resolution digital TVs.
LG's design team c...[Details]
Analog electronics
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