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According to CINNOResearch's monthly under-screen fingerprint market report, 2020 is expected to be the first year for the mass production and launch of LCD under-screen fingerprints. It is opt...[Details]
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In the past two years, OPPO has continued to exert its strength in the mid-range smartphone market, and its K series models are a more obvious example. As early as May 2021, OPPO brought the K9 ser...[Details]
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1 Introduction In embedded systems, embedded processors based on ARM micro-core have become the mainstream of the market. With the widespread application of ARM technology, building an embedded o...[Details]
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Gone are the lines of code, gone are the passion we once had, but what never goes away is the unchanging memory of such things, that is programming.
I'm afraid programming can be regarded as a pure c...[Details]
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According to foreign media reports, someone successfully used 99 smartphones to create a virtual traffic jam to trick Google Maps. The user named Simon Wechkert loaded 99 smartphones onto a cart and ...[Details]
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Introduction This article introduces how to customize a long and short key in the STM8L series. experiment platform Compiler software: IAR for STM8 1.42.2 Hardware platform: stm8l101f3p6 deve...[Details]
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At present, many manufacturers have changed the concept when promoting their products. They call it LED display when it is LED backlight display. In fact, LED display and current LED backlight ...[Details]
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Embedded technology is widely used in information appliances, consumer electronics, switches, robots and other products. Unlike general computer technology, the computer in the embedded system is pla...[Details]
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According to reports on January 18, analog chip manufacturer ADI is spending US$1 billion to upgrade its semiconductor factory near Beaverton, Oregon, with the goal of doubling its production capacit...[Details]
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; Copyright (c) 1998, MICROCHIP Technology Inc ;******************************************* TITLE "PS7219 TEST" ；Title LIST P=16C711 ；Processor is PIC16C711 microcontroller #INCLUDE P16c711.IN...[Details]
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摘要：最近，对带有同步整流电路的有源箝位ZVS－PWM控制串联谐振变换器的研究和应用不断取得进展。不过，当输入电压偏离特定值时，其效率会严重下降。通过对其各种工作模态转换的分析，阐明了效率下降的原因。为解决这种效率下降，使用了带有分立电感和耦合电感的倍流型同步整流电路模型，并分析了其稳态特性。通过实验，比较了中心抽头型和耦合电感型效率变化曲线。最后，通过分析和比较，得出结论。提出了一个整流电路，在...[Details]
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Apple today pushed the watchOS 8.3 Developer Preview Beta 4 update (internal version number: 19S5050c) to Apple Watch users. This update was released two weeks after the last one. watchOS 8 bring...[Details]
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July 7 news Yesterday evening, Tianfeng International analyst Ming-Chi Kuo released the latest Apple research report stating that the appearance design of AirPods 3 will be changed to be similar...[Details]
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1 Overview The EEPROM chip model on the MiniSTM32 development board is 24C02. The total capacity of the chip is 256 bytes, and the chip is connected to the outside through the IIC bus. Here we dire...[Details]
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The concept of bootloader
Bootloader is a small program that runs before the operating system kernel or user application runs. Through this small program, we can initialize the hardware devices...[Details]
Analog electronics
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