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In the power system, to realize the real-time monitoring and recording of various parameters of power quality, it is necessary to collect and process the electric energy at high speed, especially f...[Details]
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Independent watchdog The independent watchdog of STM32F4 is driven by a dedicated internal 32Khz low-speed clock (LSI), which is still effective even if the main clock fails. It should be noted tha...[Details]
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What is SPC
SPC stands for Statistical Process Control. SPC mainly refers to the application of statistical analysis technology to monitor the production process in real time, scientifical...[Details]
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From the fourth to the seventh lesson, we have learned most of the basic grammar. The grammar of various basic statements to be learned in this lesson can be said to be the soul of the program. In th...[Details]
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1 Introduction In the process of people's understanding and transformation of nature, it is often necessary to measure various electronic signals. Therefore, how to flexibly and quickly select signal...[Details]
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Accurate power measurement is the most basic requirement in radio frequency and microwave wireless systems. There are a variety of measurement equipment and testing methods to choose from for power m...[Details]
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CAN is a multi-master serial communication bus. Compared with general communication buses, CAN bus data communication has reliability, real-time and flexibility. Therefore, CAN has been widely used...[Details]
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We can install many APKs we like and need on the 4412 development board, but how to install them? Here we will teach you how to install APKs using adb commands. adb install -r means reinstall -s m...[Details]
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1. Bandwidth: refers to the frequency value when the sinusoidal input signal decays to 70.7% of its actual amplitude, that is, the -3dB point (based on a logarithmic scale). This specification indica...[Details]
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UPS is the abbreviation of uninterruptible power system. It is an important external device that can provide continuous, stable and uninterrupted power supply. UPS is divided into three categorie...[Details]
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Russian media reported that the US Department of Commerce has extended the ban on Huawei for another 90 days, allowing Huawei to continue to purchase parts from US suppliers. A few days ago, US Presi...[Details]
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The principle of buzzer
The buzzer works on the principle of piezoelectric effect. When an alternating voltage is applied to it, it will generate mechanical vibration; conversely, when a mecha...[Details]
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Enter the kernel source code path /usr/src/linux-2.4 A) make mrproper //Clean up the kernel source code tree. If this is the first time to configure the kernel, you do not need to run it. ...[Details]
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LDO is a micro-power low-dropout linear regulator with extremely low self-noise and high power supply rejection ratio (PSRR). The SGM2007 high-performance low-dropout linear regulator has an outp...[Details]
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Recently, Huixi Intelligent held its first chip product launch conference with the theme of "Light to the Future, Focusing on Leap Forward", and launched its first high-performance intelligent dr...[Details]