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Recently, Allwinner Technology stated on its investor interaction platform that the company's D1 chip developed based on the RISC-V architecture core has been mass-produced, and development boards eq...[Details]
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introduction 为了以更低的功耗获得更高的速度和更佳的性能,要求 电源 电压越来越低,瞬态性能指标越来越高,因此对 开关电源 提出了越来越高的要求。用原有的电路拓扑及整流方式已不能满足现在的要求,为了适应IC芯片发展的需要,人们开始研究新的电路拓扑。因为输出电压很低,所以,同步整流自然成为这种低压大电流电源的必然选择,考滤到产品的复杂程度及产品可靠性,同步整流一般选择自驱动同步整流,...[Details]
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Samsung Electronics plans to significantly increase the number of countries where the Galaxy Fold foldable phone is available, and will add a foldable phone production line next year. South Korean me...[Details]
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According to the Centers for Disease Control and Prevention (CDC), cerebral palsy is the most common form of movement disability affecting children. It is estimated that 1 to 4 out of every 1,000 liv...[Details]
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Following the tty line discipline in the previous article, this article mainly explains the most important data structure of tty, tty_driver 1、tty_driver I think the tty_driver structure is the f...[Details]
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At present, except for the RC version, the latest one is u-boot-2016.03.tar.bz2. After looking at u-boot for several years, I found that it is more like the Linux kernel now. There is menuconfig . Co...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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1 Background Overview
1.1 Definition of Optical Power
Optical power is the work done by light per unit time. Common units of optical power are milliwatts (mW) and decibels (dB), where the relation...[Details]
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Recently, the official Weibo account of Xiaomi Service Matters stated that Xiaomi has launched the Double 11 official guarantee service, with discounts starting at 20% off for all series. Th...[Details]
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An "intelligent detection control circuit" for the water heater is designed and manufactured using the AT89C205l single-chip computer chip. It can monitor the water level in the water tank and the wor...[Details]
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Samsung's S3C4510B is a cost-effective 16/32-bit RISC microcontroller based on Ethernet system. It contains a 16/32-bit ARM7TDMI RISC processor core designed by ARM. ARM7TDMI is a low-power, high-p...[Details]
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Development board: tiny6410 Kernel: linux2.6.38 To write an LED driver, you must first review the design process of a mixed device driver, the kernel file_ops structure, hardware communication IO...[Details]
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2021ChinaJoy Snapdragon Theme Pavilion is here again, bringing trendy technology to the summer The 19th ChinaJoy will be held at the Shanghai New International Expo Center from July 30 to August 2,...[Details]
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What is a watchdog? I am not very clear about it. According to the information on the Internet, the function of the watchdog is to prevent the program from looping or running away. Working principle: ...[Details]
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~ Helping improve the efficiency of vehicle-mounted electric compressors and industrial equipment inverters~
ROHM (headquartered in Kyoto, Japan), a world-renowned semiconductor manufa...[Details]