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1. Causes and consequences of missed detection and misjudgment Penetrant testing mainly consists of 9 major links: pre-cleaning, drying, penetration, pre-water washing, emulsification, water washing,...[Details]
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1. Acceleration
In a broad sense, it refers to the reaction that is accelerated by adding certain accelerators to various chemical reactions. In a narrow sense, it refers to the treatment react...[Details]
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Since I didn't understand the address allocation of IMX257 yesterday, I could only use the s3c24xx driver to understand the working principles of ioremap and other IO ports.
However, after a c...[Details]
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Cause Analysis and Solution of Thermocouple Measurement Error 1. Errors caused by improper thermocouple installation: 1. The insertion depth should be at least 8 to 10 times the diameter of the p...[Details]
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I. Introduction
In laboratory and industrial applications, due to the limitation of channel cost, serial port is often used as the preferred data transmission channel between computer and exter...[Details]
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"Common Mode Semiconductor" launches the GM4500 series of 5V precision CMOS operational amplifiers. The GM4500 series of products are the lowest noise precision CMOS amplifiers in industrial applicat...[Details]
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Preface In the previous section, we completed the 51 single-chip microcomputer to control LED lights and achieved the effect of flowing lights. In this section, we will learn to operate independent b...[Details]
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As a new type of energy-saving, environmentally friendly green light source product,
LED
has a broad market prospect. At present, there are thousands of
LED driver
IC...[Details]
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Inductor current circuit diagram for a given 1kHz sine wave
1-current setting, 1A/grid; 2-inductor current, 1A/grid; time, 250μs/grid. Circuit diagram of inductor current when given a 1kHz sine ...[Details]
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Abstract: This article introduces a distributed real-time hydrological monitoring system based on wireless data communication. The system has functions such as real-time monitoring and alarming,...[Details]
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1. System Overview
At present, China's power management is generally in a state of "terminal inefficiency", and generally relies on manual work to solve the huge and complex medium and low ...[Details]
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With the popularity of electric vehicles, lithium batteries have also become the focus of everyone's attention. Lithium batteries are different from nickel-cadmium and nickel-metal hydride batteries...[Details]
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According to previous reports, Apple will hold an autumn new product launch conference in September this year, and the iPhone 14 series will officially meet with everyone. Since the launch of ...[Details]
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Sometimes it is inconvenient to carry a mobile phone, but you still want to know the time. At this time, you can use a buzzer to make an audio time reminder, which will sound a reminder every 60 seco...[Details]
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ABB industrial robots are automation equipment widely used in manufacturing, logistics, medical and other fields. Their motion instructions are the key to achieving precise control of the robot. Th...[Details]