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The use of Class D switching amplifier circuit can significantly improve the efficiency of the power amplifier. The Class D power amplifier converts the audio signal into a high-frequency pulse wh...[Details]
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What is a capacitive screen
Capacitive screen pictures
The capacitive screen is a four-layer composite glass screen. The inner surface and interlayer of the glass scree...[Details]
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1. About LCD1602:
Before writing LCD1602 program, we must understand some very important information in its manual. If this information is not thoroughly understood, programming may encounter ...[Details]
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HP Inc is working with suppliers to move production of millions of consumer and business laptops to Thailand and Mexico this year, people familiar with the matter said, as the U.S. PC giant diversifi...[Details]
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Introduction: This paper introduces the specific design of the hardware and program implementation process of the remote control password lock based on atmega16 single-chip microcomputer. It uses AVR...[Details]
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Where is the kernel defined in the boot parameter bootcmd=nand read.jffs2 0x30007FC0 kernel; bootm 0x30007FC0, and why can it be directly referenced? Thinking about this problem finally led to the ...[Details]
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Digitimes Research estimates that Apple will place orders for approximately 90 million units of the newly released iPhone 13 series with upstream assemblers in 2021. Digitimes Research analyst Sean L...[Details]
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The three major A-share indices closed down slightly today, with the Shanghai Composite Index down 0.57% to 3363.11 points; the Shenzhen Component Index down 0.71% to 13915.57 points; and the ChiNext...[Details]
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Every year, 1.25 million people die in car accidents, of which more than 94% of fatal accidents are caused by human error (drunk driving, speeding, ignoring traffic lights, texting while driving). In...[Details]
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【Abstract】 A single-phase bridge type semi-controlled electroplating DC power supply with a single-chip microcomputer constant current device belongs to the application of single-chip microcomputer c...[Details]
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MCU chip model STC89C516 need Light up the first LED Knowledge Points 1. About the i/o port on the microcontroller GPIO is the abbreviation of general purpose input and output port, and its input a...[Details]
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▋ What is Wi-Fi 6? Wi-Fi 6 is the alias given by the Wi-Fi Alliance to IEEE Std. P802.11ax. As we all know, our Wi-Fi used to be called 802.11a/b/n/g/ac/ax. This naming method is really confusin...[Details]
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In recent years, III-Nitride high brightness light emitting diodes (HB-LEDs) have gained wide attention and are currently widely used in traffic signs, LCD backlights, and various lighting applicat...[Details]
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For the current development of new energy vehicles, intelligent driving has become another selling point that consumers are most concerned about when buying cars, after the three-electric system and ...[Details]
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Recently, Yutong Optics released its first quarter report of 2021. During the reporting period, the company achieved operating income of 441 million yuan, a year-on-year increase of 97.49%, mainly du...[Details]
PCB Design
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