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As shown in the figure below, there is a transformer with two sets of positive and negative 13.5V outputs, three on the left and three on the right, a total of 6 outputs. Using diode rectification,...[Details]
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Recently, the team led by Li Mingqiang, an associate professor at Dalian University of Technology, has made a breakthrough in green power batteries, increasing the cycle life of nickel-zinc batteri...[Details]
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Brief analysis of related materials that affect the light decay of white light LEDs
With the advent of blue LED, white LED can be easily obtained by combining phosphor and blue LED. This...[Details]
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According to the supply chain, UMC recently notified its customers of an increase in foundry prices, with an average price increase of 10% in November and some process prices increasing by as much as...[Details]
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4月18日,韦尔股份披露了公司2021年度业绩报告。公告显示,2021年韦尔股份实现营业总收入241.04亿元,较上年同期增加21.59%。通过公司各业务体系及产品线的整合,公司充分发挥了各业务体系的协同效应,2021年公司实现归属于上市公司股东的净利润44.76亿元,同比增长65.41%。公司持续盈利能力得到了显著提升。 韦尔股份在财报中提到,近年来,依托公司内生发展与资产收购并举的发展战略...[Details]
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Due to global business and organizational adjustments, American chip manufacturer Marvell has laid off part of its R&D teams in Shanghai and Chengdu. Including Maiweier Shanghai's SPG department, PHY...[Details]
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This document introduces the upgrade and test routines of the ADC driver of the iTOP-4412 development board. The built-in driver can only support one ADC. This article introduces how to modify the co...[Details]
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Samsung (China) Semiconductor Co., Ltd.'s import and export volume in the first quarter was 27.867 billion yuan, an increase of 45% over the same period last year. The first phase of the second phase...[Details]
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The iW3616 is a high-performance two-stage AC/DC power controller that is ideal for dimmable LED lamps with 12W output power. The iW3616 complies with the IEC61000-3-2 electromagnetic compatibility (...[Details]
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#pragma pack can be used to specify the memory alignment value of the member variables of the data structure. The possible values are: 1, 2, 4, 8, 16. Use the pack directive in pairs to avoid a...[Details]
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This paper introduces a digital storage oscilloscope designed and implemented based on the embedded uCLinux operating system and using Samsung S3C 44BOX CPU. Multi-task program operation is imple...[Details]
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Dry Cell Dry cell is a chemical battery that generates direct current with a paste electrolyte. It is roughly divided into primary cell and secondary cell. It is the most commonly used and lightweigh...[Details]
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EEPROM can be used to store some data that needs to be preserved after power failure. The STC12C5A60S2 microcontroller has 1k byte of EEPROM inside, with 2 sectors. When programming, please note that...[Details]
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This is the MCU stopwatch course design I made last month. This course design is to realize a stopwatch from 00 to 99 seconds, and it has start and reset functions. It took a week. The attachment con...[Details]
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Recently, the first PACK and the first batch of 162Ah batteries rolled off the production line at the Honeycomb Energy (Chengdu) Power Battery Manufacturing and Southwest R&D Base, located in the adva...[Details]