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In this era of information explosion, everyone has more or less "information anxiety": missing instructions from the client, missing greetings from relatives and friends... a few hours of information...[Details]
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Handheld Spectrum Analyzer Q1 How to use Hongke Spectrum Manager to add GPS information to the spectrum curve report? What third-party tools are needed? There are two ways to append GPS coordinates...[Details]
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The Galaxy Fold foldable phone is about to go on sale in the United States, but a folding screen defect has appeared. American technology media TechCrunch reported that the Galaxy Fold had defects af...[Details]
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Some time ago, Arm, the world's number one IP supplier, became the focus of industry attention due to its forced suspension of cooperation with Huawei HiSilicon. In response, the company made two sta...[Details]
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First, let's take a look at the PWM interrupt register and its meaning. The PWM module has a flag bit PWMF (PWMCON0.5) to mark the completion status of the current PWM cycle. PWMF can be cleared by...[Details]
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What is the register for? How to configure it? What is the purpose of configuring the register? The register is a component of the central processing unit. It is a high-speed storage component with ...[Details]
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On July 22, Xinpengwei was listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange. The company's stock code is "688508", with an issue quantity of 28.2 million shares, a...[Details]
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According to Bloomberg, US President Trump and Canadian Prime Minister Justin Trudeau have held cooperation talks on rare earths, hoping to reduce dependence on China's rare earths. Trudeau said in a...[Details]
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The source program for measuring the rotation speed of the C51 microcontroller that I wrote a long time ago was not optimized at that time because the circuit board had a digital display. However, fri...[Details]
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On December 16, 2021, MediaTek released the Dimensity 9000 flagship 5G mobile platform, the first flagship chip in the industry to adopt TSMC's 4nm process. At a time when the "chip shortage" problem...[Details]
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1. Defects of ordinary oxygen sensors
Ordinary oxygen sensors generally have 4 wires, 2 of which are heating wires, the third is a signal wire, and the other is a ground wire. It is a zirconiu...[Details]
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As the core of a photovoltaic power station, the inverter is mainly used to convert the irregular direct current of photovoltaic modules into sinusoidal alternating current. It also has functions s...[Details]
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LED Backlight SEPIC Driver
Abstract: This is a reference design for a SEPIC/linear LED-display backlight driver for eight parallel strings of 8 WLEDs (white LEDs) at 70mA/string. ...[Details]
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1. Functions with sleep functions, such as ioremap, kmalloc, msleep, etc., cannot be used in interrupt handlers. The reason is that interrupt programs are not processes, and there is no concept of pr...[Details]
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The soft start cabinet is an electrical device used for motor starting. It controls the voltage and current during the motor starting process to achieve smooth starting of the motor, reduce the cur...[Details]
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