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Clock configuration and distribution The crystal oscillator frequency of tq2440 is 12MHz. There is the following statement in uboot: #define S3C2440_CLKDIV 0x05 /* FCLK:HCLK:PCLK = 1:4:...[Details]
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Room lighting is inseparable from lamps, which are the concentrated reflection of lighting. They are not only tools to complete the functions of room buildings and create visual conditions, but al...[Details]
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The avr atmega16 microcontroller Universal Synchronous and Asynchronous Serial Receiver and Repeater (USART) is a highly flexible serial communication device. Its operating modes, initialization and r...[Details]
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The transformer is made based on electromagnetic induction. It consists of an iron core made of silicon steel sheets (or silicon steel sheets) and two sets of coils wound on the iron core. The iron...[Details]
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1 Introduction
The measurement and monitoring of electrical parameters are an important part of the power system. Starting from the engineering practice of the test system, this paper completes the...[Details]
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LED lamps with more than 100 lumens per watt can save up to 70% of energy usage
The BetaLED division of Ruud Lighting, Inc., introduces the 304 Series luminaire, the first BetaLED luminair...[Details]
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Liande Equipment responded to investors' questions on the stock forum interactive platform of the stock allocation network today, saying that the company has completed the development of double-sided...[Details]
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If you want a car to have the ability to drive autonomously, it needs to be able to know its current location just like a human being. It can also see and hear in all directions, observe and judge th...[Details]
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Since 2010, Apple has been continuously acquiring technologies and companies related to VR and AR (virtual reality and augmented reality), including a German AR company called Metaio and 171 technica...[Details]
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With the continuous development of smart home appliance control technology, multifunctional and intelligent kitchen controllers have become the mainstream of kitchen appliance development. Compared w...[Details]
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LED light emitting diode is a solid-state semiconductor device that can convert electrical energy into visible light. It can directly convert electricity into light.
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LED lamp driver power supply schematic with passive PFC
The flyback converter shown in Figure 1 uses a device from the TinySwitch-III family (U2, TNY279PN) to provide up to 1.8 A of load current...[Details]
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Introduction: This paper designs a multimedia car audio system based on a 32-bit ARM microprocessor with RADIO, IRDA, MP3, DVD and other functions. In combination with the complex environment of the ...[Details]
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Jiwei.com News July 30, 2019, Shanghai - MediaTek held a new product and technology conference in Shanghai today with the theme of "Gaming Chip Awakens Combat Power", launching the first mobile phone...[Details]
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Digital video recorder, also known as Digital Video Recorder, or DVR for short, is an important device in video surveillance systems, used to replace early long-delay video recorders or tape record...[Details]