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The LCD backlight is controlled by the CPU's LCD_PWR pin. When LCD_PWR outputs 1, it is on, and when it outputs 0, it is off. The following codes refer to the mini2440 transplantation manual (1) Cr...[Details]
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Quantum computers can solve complex problems that are beyond the reach of today's most powerful supercomputers, and quantum technologies (sensors, communications, and computers) promise to be a techn...[Details]
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1 Ultrasonic Principle
The propagation speed of ultrasound in the air is 340m/s. Therefore, if the propagation time of ultrasound in the air can be measured, the distance it propagates can be c...[Details]
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The Honor 20 series international launch was held in London last week, and the domestic launch on May 31 is very close. Today, PConline also received an invitation letter from the Honor 20 series lau...[Details]
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This nifty sound level meter is a perfect chip replacement for a standard analog meter. The entire circuit is based on
the LM3915
audio level IC and uses only very few external components.
...[Details]
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Isolated 3.3V to 5V converters are often used in long-distance data transmission networks, where the bus node controller operates from a 3.3V power supply to save power, while the bus voltage is 5V to...[Details]
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Many times, we need to control the bass, treble, and volume of an audio signal before it passes through the amplification stage to prevent distortion of the sound. The circuit that amplifies the au...[Details]
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随着平板电视的迅速发展，中国平板电视市场已进入成熟期，平板电视的高效且功能强大的开关电源需求也在显著增加。安森美半导体提供的NCP1927功率因数校正(PFC)及反激组合控制器电源管理芯片，能够用于开发紧凑及高能效平板电视开关电源，配合纤薄平板电视设计潮流及帮助推动节能降耗。
In line with the requirements of switching power supply de...[Details]
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Tongzhou got its name because of its "transportation and economic development". Historically, it was a place where tributes from all over the country and materials had to pass through by water. Dur...[Details]
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Fujian Xingyun Electronics Co., Ltd. (hereinafter referred to as the "Company" or "Xingyun Co., Ltd.") signed the "Framework Procurement Contract" with Contemporary Amperex Technology Co., Ltd. (he...[Details]
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Today, Honor Mobile's official Weibo revealed the true identity of the "gear king", which is Honor Play3. According to the well-known digital blogger @数码闲聊站, the Honor Play3 will use a 6.39-inch HD...[Details]
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Qisheng AV-747DB is the latest home theater AV center launched by Qisheng Company. It adopts a front and rear split structure. Its front stage uses HD6473714P microprocessor as the control center, and...[Details]
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According to foreign media reports, the European Commission said on Friday local time that member states must take urgent action to diversify their 5G suppliers, a move that will reduce Huawei's infl...[Details]
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Last week, Apple released the AirPods Max headphones, but there was no Apple TV. According to reports from Japanese media, in addition to actively formulating production plans for new iMacs a...[Details]
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01. Introduction to vehicle-mounted thermal imaging
The vehicle-mounted thermal imaging system is an effective technology for enhancing the driver's vision. The thermal imaging system passivel...[Details]
GD32 MCU
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