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A few days ago, IHS Markit released a report titled "Imagining the 'Apple Car'". Some of the speculations about the components and technologies of the "Apple Car" are actually very interesting. The ...[Details]
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There are two working modes for switch-type DC/DC converters: one is the pulse width modulation (PWM) mode that keeps the switch duty cycle constant and controls the switch conduction time tn; the oth...[Details]
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According to news on March 24, according to Qichacha, the patent for "Headrest System, Control Method and Vehicle Based on EEG Control" applied by Chongqing Changan Automobile Co., Ltd. was recently ...[Details]
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That’s right, the automotive 12V lead-acid battery is on its way out. Europe has mandated that all new cars no longer use lead-acid batteries after 2030, creating a huge challenge for OEMs to find ...[Details]
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移相控制的全桥PWM变换器是最常用的中大功率DC／DC变换电路拓扑形式之一。移相PWM控制方式利用开关管的结电容和高频变压器的漏电感或原边串联电感作为谐振元件，使开关管能进行零电压开通和关断，从而有效地降低了电路的开关损耗和开关噪声，减少了器件开关过程中产生的电磁干扰，为变换器提高开关频率、提高效率、减小尺寸及减轻质量提供了良好的条件。然而，传统的移相全桥变换器的输出整流二极管存在反向恢复过...[Details]
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Samsung Galaxy Z Flip3 foldable screen mobile phone is about to be released. Foreign media Winfuture has released a large number of photos of the official protective case of this phone, showing...[Details]
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From the hot sales of Samsung Galaxy Edge series flagships to the launch of various curved screen bracelets and TVs, there is no doubt that curved screen technology has been widely valued and sought ...[Details]
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Module power supply
The module power supply is a power module that can be directly mounted on a printed circuit board. It can be used in power supply applications for digital or analog loads...[Details]
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There are two ways to install the driver: (1) Module insertion method; (2) Compile directly into the kernel; In this chapter, we will explain in detail the method of directly compiling into the ker...[Details]
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Introduction to time slice polling ideas: The time slice polling method is mentioned in many books, and it often appears together with the operating system, that is, it is often used in the operating...[Details]
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A PIC16F877A microcontroller has a 16-bit timer TIMER1, which we use to control 8 servos (i.e. sequential pulse output). In this way, a single microcontroller can control 8 servos. Use 8 IO ports to ...[Details]
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1. When the program is running, please select the device first (click the checkbox) and select the chip type to be burned.
2. Detect the chip. At this time, the screen prompts that there should be ...[Details]
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There are three common techniques for measuring current using an oscilloscope. The first is to use a series resistor (sometimes called a shunt) when measuring the current. The second is to use a curr...[Details]
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For students who want to learn ARM assembly, buying an ARM development board for on-board testing is undoubtedly an effective method, but it costs money to buy an ARM development board, and each te...[Details]
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The pressure calibrator is a portable professional pressure calibrator that can measure pressure, current, voltage, temperature, switch, time, etc. The output parameter of the power adapter is: DC1...[Details]
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