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With the improvement of people's living standards, residential anti-intrusion has gradually received attention. In real life, residential invasion is a low-probability event, but burglary cases hap...[Details]
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1. Introduction
(1) When an application uses a sound card, the data flow is as follows: the application sends data to the driver, the driver sends the data to the hardware sound card, and the ...[Details]
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debug debugging tools View the contents of various registers in the CPU r Modify the contents of the register through the r instruction r register View the contents of memory d d segment a...[Details]
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On January 8, 2024, the 2024 China Energy Storage CEO Conference and the 8th International Energy Storage Innovation Competition Preliminary Competition were grandly held at the Guangzhou Baiyun Inter...[Details]
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Function of the circuit
The linearity and accuracy of the rectifier circuit composed of diodes are not ideal when used to measure the voltage of AC signals or convert AC signals into DC signal...[Details]
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More and more funds are entering the new energy asset side, especially photovoltaics and energy storage, but the two are different, which also reflects the connotation and value orientation of current...[Details]
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Features: • The multifunctional electrical installation tester integrates all electrical testing functions in one unit. With its excellent testing performance and friendly ergonomic design, it provid...[Details]
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The 89C51 series microcontrollers do not have SPI ports. In this case, we can simulate the SPI port to realize the functions we want. The program is as follows: //-----------------------Function decl...[Details]
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As we all know, in recent years, the screen material used in smartphones has gradually transitioned from LCD to OLED. This trend is very obvious. I still remember that the first OLED phone I bought...[Details]
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Industry Background
With the expansion of rail transit operation scale, traditional manual inspection methods can no longer meet the increasingly strong maintenance requirements. Long-dist...[Details]
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With the increasing popularity of the Internet, the degree of information sharing is constantly improving, and the popularity of network instruments and network control devices has gradually become...[Details]
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In recent years, the incidence of heart disease has continued to rise. In order to enable patients to receive diagnosis and treatment anytime and anywhere, researchers have developed a variety of p...[Details]
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I spent a lot of time debugging a program today and found that the cmd parameter of the application's ioctl passed to the driver's ioctl changed. According to "Linux Device Driver", this cmd should...[Details]
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The startup circuit presented in this paper consists of a microprocessor (µP) supervisory circuit MAX809L and a charge pump to monitor the output voltage of the boost converter. The high-efficiency...[Details]
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The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]
Microcontroller MCU
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