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In order to ensure that the elevator can operate normally without interference from the mains, all elevators will be equipped with voltage stabilizers. The voltage stabilizing equipment used in ele...[Details]
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Basic features
AC non-isolated high frequency
Switch
Buck constant current mode
AC 85~245V, 50~60Hz working range
Series charging, parallel discharge passive
Power
...[Details]
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The current popularity of smart cities, 5G, and the Internet of Things has fueled the popularity of smart lamp poles. It is not just a normal popularity, but a "messy" popularity. The name of the lam...[Details]
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The main control uses STM8 single-chip microcomputer, and the measurement uses Kelvin connection method. The measurement accuracy is closely related to the accuracy of the resistors used in the syste...[Details]
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summary
This article introduces a 10W LED driver designed using TI's TPS92210 control chip. TPS92210 has a unique critical mode fixed peak current control function, and the design does not requir...[Details]
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1. System Overview
ZWINFO remote information release system is a new type of wireless remote information release system, which combines traditional information display platforms such as LED, L...[Details]
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Last night, Samsung officially released the new flagship Galaxy Note20 and Galaxy Note20 Ultra. Razer also launched the Arctech series of protective cases for the new phones. This series was pr...[Details]
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Determining the type and pins of a transistor is a basic skill for beginners of electronic technology. In order to help readers quickly master the detection and judgment methods, the author summarize...[Details]
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When using a single-cell
lithium battery
protection board to connect multiple cells in series, the following problems may occur.
1: Charging: Assume that a certain battery reaches ...[Details]
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Luoyang Zhongsi Hi-Tech announced that the company successfully pulled the first batch of single crystal silicon rods at 6:00 on January 14, 2011. The single crystal silicon rod has an equal diameter ...[Details]
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Many people must have seen "#ifndef/#define/#endif in header files prevents the header file from being repeatedly referenced". But do you understand what "being repeatedly referenced" means? Does it ...[Details]
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According to foreign media reports, the first model of Volkswagen's new generation of pure electric ID. family, ID.3, has a long driving range, strong driving power, avant-garde design and innovative...[Details]
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Apple's upcoming "Apple Glass" may allow users to skip unlocking their iPhones because they will already be authenticated. Apple has been granted a patent for using "Apple Glass" or a simila...[Details]
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Tile, best known for its range of Bluetooth-based tracking accessories that compete with AirTags, announced today that it will be acquired by location tracking service Life360. Tile will continue t...[Details]
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On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]