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LED light sources are the general trend of the lighting industry, but the overall luminous efficiency has not yet met market requirements. Among them, heat dissipation defects are the first and most ...[Details]
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On August 17, the "Guiding Opinions on Promoting the Recycling of Retired Wind Power and Photovoltaic Equipment" (hereinafter referred to as the "Guiding Opinions") jointly issued by the National D...[Details]
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L298 is a product of SGS. L298N is a 15-pixel monolithic integrated circuit with high voltage, high current and four-channel drive. L298N is designed to receive DTL or TTL logic levels, drive inductiv...[Details]
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This system is mainly composed of light detection circuit, pyroelectric infrared sensor and processing circuit, single chip system and control circuit. When working, the light detection circuit and...[Details]
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Xinhua News Agency, Beijing, March 29 (Reporter Guan Guifeng) For all types of enterprises in arrears, power will not be cut off and no late payment fees will be charged... State Grid Beijing Elect...[Details]
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On August 24, iQOO announced that iQOO 5 Pro will be available for pre-sale today, with a starting price of 4,998 yuan (8GB+256GB). iQOO 5 Pro supports 120W ultra-fast flash charging. Officials say i...[Details]
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0 Introduction
The cyclone preheater is a heat exchanger consisting of a cyclone tube and connecting pipes, which is widely used in new cement production processes. It uses the high-temperature ...[Details]
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The acoustic parametric array (Parametric Array) is an acoustic emission device that uses the nonlinear effect of the medium and uses a transducer (array) to propagate two high-frequency initial wa...[Details]
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Normally, the data transmission and reception of UART can be completed by the MCU controlling the internal FIFO of UART. However, whether it is in the form of interruption or query, the process wil...[Details]
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Compared with ordinary double-winding transformers, autotransformers have the following advantages:
1) Less material consumption and low cost. Because the amount of silicon steel sheets an...[Details]
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Characteristics of LED lighting fixtures and analysis of LED standards
This article takes LED lamps, lamps and their current status as the entry point. Based on the relevant definitions of LED lam...[Details]
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1 Introduction
ARM has 7 operating modes, and the stack pointer register (SP) of each mode is independent.
Therefore, for each processor mode needed in the program, a stack address must be defined ...[Details]
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Abstract: This article introduces an optical power automatic control circuit composed of three amplifiers INA114, OPA177 and OPA547 from the American BB Company. This circuit has the characteris...[Details]
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The full name of FLASH is FLASHEEPROM, but the operation method is different from that of conventional EEPROM. The biggest difference between FLASH and EEPROM is that FLASH operates by secto...[Details]
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Fire, needle puncture, and corrosion soaking are nothing. The solid-state battery developed by Chery Automobile can still charge and discharge normally even if a corner is cut off. At the 2024 Cher...[Details]