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1. Menuconfig operation • The Linux compiler uses the .config file to confirm which code is compiled into the kernel and which is cut. • menuconfig is a tool for generating .config. • During the de...[Details]
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An interesting trade-off occurs when you select input filter capacitors for a low-power, offline
power supply
. You are compromising the capacitor's
ripple
current rating with t...[Details]
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Often, the HWT watchdog problems we find are caused by the interlocking of shared resources between CPUs (i.e., R state deadlock). Therefore, when we find HWT problems later, we should not only focus...[Details]
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introduction Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing power con...[Details]
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Note: The characters in the left half of the table correspond to their ASCII codes, so when writing code, you can directly write "A" instead of "0x41".
...[Details]
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KGI Securities predicts that with the gradual construction of 5G infrastructure and Apple's launch of the 5G version of the iPhone starting from 2020, the second wave of mobile phone replacement will...[Details]
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Oscilloscopes are used to measure time domain signals, measuring voltage versus time, from active devices under test. But interconnects are passive structures and do not generate signals of their own...[Details]
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1. Introduction
Currently, the mainstream products in the anti-theft device market are electronic anti-theft devices, which are divided into one-way anti-theft devices and two-way anti-the...[Details]
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1. Before testing, you must understand the working principle of the integrated circuit and its related circuits.
Before checking and repairing the integrated circuit, you must first be familiar...[Details]
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In the past month, due to some well-known reasons, I have had very intensive exchanges with various teachers and students in the industry. An inevitable topic in the exchanges is naturally end...[Details]
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How to control the speed of 775 motor
The 775 motor is a common brushless DC motor, which can usually be controlled in the following ways:
Voltage regulation: The speed of the 775 motor i...[Details]
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Nowadays, smartphone cameras have undergone earth-shaking changes in terms of hardware and photo performance. In the past, our mobile phone cameras were still at the stage of 300,000 or 2 million pix...[Details]
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August 26 news: Starting today, Apple Pay officially supports Xiamen e-Pass. Users can use Apple Pay's quick transportation mode to travel conveniently and take buses, subways and BRT in Xiamen. Wi...[Details]
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According to the latest smartphone market report released by Counterpoint Research, the average selling price of smartphones in the second quarter of 2020 increased by 10% year-on-year. At the same t...[Details]
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From November 5 to November 10, 2024, Synopsys will appear at the 7th China International Import Expo, leading technological innovation and accelerating the development of new quality productivity ...[Details]
Analog electronics
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