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Abstract: With the rapid development of computer security technology, the problem of computer electromagnetic information leakage has received widespread attention. This article conducts a syste...[Details]
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With the acceleration of automobile electrification and the continuous upgrading of autonomous driving function levels, there are more and more electronic components in automobiles. The efficient inf...[Details]
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On July 9, the design of Tesla's V4 supercharger was first exposed on Twitter. The specific specifications of the V4 supercharger have not yet been announced. According to relevant information, the ...[Details]
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1. Reference tutorial: Qingxiang 51 microcontroller tutorial 2. Basic principles: If vcc is 5v and p23 is low, causing a current greater than 1mA to flow through R10, CE will be turned on and the b...[Details]
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The popular 555 timer can be used as a PWM/Class D amplifier for musical instruments or other applications. It can operate in a supply voltage range of 4.5V to 16V and can output a drive current of...[Details]
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The 51 microcontroller is a chip widely used in embedded systems and has extremely high cost performance and versatility. In the development process of 51 microcontroller, the compilation instruction...[Details]
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At present, petroleum, chemical, pharmaceutical, metallurgical and other enterprises have a large number of cooling tower fans, velocity fans and special fans in use. Some fans have no monitoring ins...[Details]
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With the development of 5G technology, smart terminal products such as smartphones, security monitoring, smart cars, and drones are constantly upgrading towards visual intelligence, driving the marke...[Details]
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The "Shanghai Urban Energy Internet White Paper", officially released on March 5, is the first white paper on urban energy Internet in China. It clearly puts forward the definition of urban energy ...[Details]
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Infa-Red Remote Control
I have received a number of emails requesting schematics for infa-red remotes. So here is one. This remote transmits a tone using an infa-red LED. This tone is decoded ...[Details]
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Nowadays, there are many high-speed digital interface standards, and the high-speed digital cables used by these standards are also different. Most of the companies that manufacture these cables are ...[Details]
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When service robots are used in indoor spaces such as home residences, hotel rooms, office spaces, clubs, etc., obstacle avoidance sensors are required. Usually, one or more of the four sensors, infr...[Details]
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1. RCC related: APB2 starts the clock item: RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, ...[Details]
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This project uses a data acquisition system solution based on a single-chip microcomputer. This solution uses a series voltage divider circuit based on the characteristics of thermistors that change ...[Details]
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"Tech Unheard" is a technology interview podcast hosted by Arm CEO Rene Haas, focusing on the forces of change in the industry and exploring cutting-edge technologies and the stories behind them. T...[Details]
Analog electronics
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