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This article introduces a heart rate and body temperature detection system based on a single-chip microcomputer. The circuit part of this design mainly includes: sensor measurement circuit, amplifier...[Details]
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The MAX2640 is a low-cost, low-noise amplifier designed for applications in the 400MHz to 2500MHz frequency range. This application note shows the adjustment of the MAX2640 RF matching circuit fo...[Details]
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Introduction
As autonomous driving and electrification become more prevalent, connected vehicle applications continue to increase, and vehicle safety requirements become more stringent. At the...[Details]
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"My salary has been reduced this year, and there is no hope of a salary increase by the end of this year. I plan to resign at the end of the year and use my spare time hobbies to open an interest tra...[Details]
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At present, with the widespread application of switching power supplies, the control IC plays an important role as the heart of the switching power supply. The control IC of the switching power sup...[Details]
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1. SysTick The SysTick timer is bundled in the NVIC and is used to generate the SysTick exception (exception number: 15). Previously, the operating system and all systems that used a time ...[Details]
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The Shanshui Nature Conservation Center learned that the "Ecological Grid" construction project is solving the global problem between grid construction and raptor habitat in the Sanjiangyuan area. ...[Details]
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1 Introduction
Compared with mechanical buttons and resistive touch buttons, capacitive touch buttons are not only durable, low-cost, simple and easy to install, waterproof and anti-fouling, but ...[Details]
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By consulting the data, we can know that by changing the duty cycle of the high and low levels of the output level, the volume of the buzzer can be controlled. To make it easier to change the duty ...[Details]
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The origin of the BOOT area is based on a simple principle, that is, the program of the microcontroller is stored in the FLASH, and to run the program, the FLASH memory must be accessed continuously....[Details]
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Discussions on the relationship between power supply technology and electronic transformers: the role of electronic transformers in power supply technology, the requirements of power supply technol...[Details]
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According to foreign media reports, as the world moves towards net zero carbon emissions, low-cost green technologies with enhanced performance are needed to meet future energy needs. Researchers are...[Details]
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1 Introduction
In the 21st century, mankind will face major challenges in achieving sustainable economic and social development. Under the dual constraints of limited resources and environme...[Details]
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After investigation, Apple has closed the verification channel for the iOS 15.0.1 system, which means that users who have upgraded to iOS 15.0.2 or iOS 15.1 beta system can no longer downgrade t...[Details]
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Multisim is an EDA tool software specially used for electronic circuit simulation and design. It provides a virtual electronic experimental workbench and is favored by electronic professionals for it...[Details]
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