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LED lens module
It is a multi-lens that is completed as an integral multi-lens by injection molding of multiple single lenses. According to different needs, it can be designed into a 3-in-1,...[Details]
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In Chapter 2, we have discussed the node voltage method (also known as the node potential method) to solve circuits. For less complex circuits, the node voltage equations can be intuitively establi...[Details]
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Specific implementation functions The specific simulation functions are: ①The host detects the temperature and smoke concentration of the environment; ②The host sends the value to the slave for d...[Details]
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PSRR: About Open-Loop and Closed-Loop Class D Amplifiers
In the past, the power supply rejection ratio ( PSRR ) has been a good measure of how well an amplifier rejects power supply noise. However,...[Details]
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This circuit can be used in single-chip microcomputer systems such as MCS-51 series. The electrical principle is shown in the attached figure. In the figure, a four-2-input "NAND" Schmitt trig...[Details]
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On December 9, State Grid Jilin Electric Power Co., Ltd. installed the "Electricity Energy Efficiency Monitoring Cloud" platform collection point for Jilin Shijufu Wine Co., Ltd., the first "Electr...[Details]
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The first China International Smart Terminal Industry Development Conference was held in Yibin, Sichuan. This was the first time that five major associations, including the China Communications Assoc...[Details]
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The National Energy Administration issued a notice that the total capacity of newly installed domestic photovoltaic power plants reached 14G in 2014, including 8G distributed and 6G ground power pla...[Details]
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Infineon Technologies AG recently launched a new PSOC™ Control microcontroller (MCU) series
. This series is suitable for the next generation of industrial and consumer motor control and p...[Details]
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The conflict between the United States and China has intensified. As TSMC founder Zhang Zhongmou said: "National security and economy have taken precedence over globalization." Not only has the Unite...[Details]
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1. There are two types of clocks under Linux: 1.1 Real-time clock RTC It is driven by the onboard battery "Real Time Clock" also called RTC or CMOS clock, hardware clock. When the operating syste...[Details]
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Recently, Tesla officially launched the Full Self-Driving Beta 10.2 test version in the United States, and announced that it will gradually provide downloads to more users based on their "safety scor...[Details]
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This article mainly introduces the basic characteristics of PIC's C language based on HiTech
PICC
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1 Features of HiTech PICC language
PICC basically complies with the ANSI st...[Details]
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Abstract: This article introduces a voice electronic door lock identity authentication system implemented on Sungyang SPCE061A microcontroller using voiceprint recognition technology. The experimental...[Details]
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main.h /** * 51 single chip microcomputer project: multi-function recorder * File name: main.h */ #ifndef _MAIN_H #define _MAIN_H typedef struct msg { uint8_t hour; // hour uint8_t minute;...[Details]
PCB Design
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