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The world's largest online engineering community, element14, a global electronic components and development services distributor, recently announced the launch of the 'Ideal Sensor Board' design even...[Details]
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At present, the market has mainly formed four types of LED display products: ① monochrome text display screen ② dot matrix and digital tube mixed display screen ③ dual-primary color (red, green) mult...[Details]
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1. Both bit and sbit are variable types extended by C51. Bit is similar to int char, except that char = 8 bits and bit = 1 bit. They are all variables, and the compiler assigns addresses during t...[Details]
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The following focuses on analyzing several DM9000 receiving and sending packets and interrupt functions. /* * Hardware start transmission. * Send a packet to media from the upper layer. */ stati...[Details]
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According to Jiwei.com on December 3, OPPO officially announced today that it will release the OPPO Reno5 series on December 10. It is currently known that there is a model in this series called Reno...[Details]
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Domestic CIS is shifting the battlefield from smartphones to the automotive field. Mobile phones and security, insufficient momentum As the largest usage scenario of CIS, the ups and downs of the...[Details]
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Calculating TIA Noise
There are three main noise sources for transimpedance amplifiers: the op amp’s input voltage noise, input current noise, and the Johnson noise of the feedback resistor. All ...[Details]
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An ordinary voltmeter gives a measurement reading of the signal voltage by moving a pointer or digital display on its dial. An oscilloscope is different. An oscilloscope has a screen that can display...[Details]
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0 Introduction Video intelligent analysis system refers to a new type of system developed from traditional video surveillance system with digital video processing technology as the core, which ...[Details]
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This article mainly explains the mechanism of STM32 low power mode, and does not focus on the program implementation of STM32 low power consumption. In addition, it becomes very simple to implement S...[Details]
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Recently, some media discovered a new Huawei patent from the World Intellectual Property Organization website, describing a new type of retractable screen product. Judging from the patent p...[Details]
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With the progress and development of society, people's lifestyles are undergoing profound changes. Traffic congestion in cities is one of the phenomena caused by this change. Traffic congestion a...[Details]
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In order to obtain the corresponding EMC test and certification certificates for electronic and electrical products, many companies are using the test-rectification-test method to conduct EMC test exp...[Details]
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1 Introduction
In automatic control systems, it is often necessary to detect temperature. Using platinum resistance as a sensor is a common detection method in engineering. To obtain high-precision d...[Details]
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When I was in college, I was terrible at learning assembly. First, I had no idea about the language of assembly. Second, it was hard to remember the instruction sets and I had few opportunitie...[Details]
Analog electronics
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