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This is a small program I made myself. It uses the STC12C5160S2 microcontroller chip for control and implements the ADXL345 inclination sensor module to measure angles. The microcontroller source p...[Details]
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Introduction The collections in the museum are often threatened by human theft, and changes in the surrounding environment can also cause damage to them. Therefore, a very reliable anti-theft sys...[Details]
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Configure I/O ports, configure mode, enable GPIO and clock Write: Check if SDA is idle. Checks whether the event was successful. Send a start signal according to the protocol Checks whether the eve...[Details]
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Designing
LED drive
solutions, if the current is greater than 500 mA,
a
switching
regulator is usually used to
drive
the LED
; if the current is between 200 mA and 500 ...[Details]
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Recently, the opening ceremony of the "Strive for a New Era" themed achievement exhibition was held at the Beijing Exhibition Hall.
This exhibition focuses on the great achievements and gr...[Details]
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Samsung has applied for a trademark called Z Roll, which suggests that the company may be developing a new rollable screen phone called Galaxy Z Roll. Foreign media LetsGoDigital repor...[Details]
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Field effect transistor is abbreviated as FET. It can be divided into junction field effect transistor (JFET) and insulated gate field effect transistor (
MOSFET
), which we usually call...[Details]
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The field strength meter introduced in this article has a simple circuit, does not require any changes to the multimeter, and has high sensitivity. The field strength meter adopts the principle of det...[Details]
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1. Three-dimensional modeling of differential signal loop In order to accurately analyze the differential signal loop, it is necessary to use three-dimensional electromagnetic field simulation softw...[Details]
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introduction
In recent years, with the rapid development of marine industry, marine environmental protection has been put on the agenda. Therefore, marine water environment monitoring has ...[Details]
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Thanks to its rich music library and simple user interface, Spotify has become one of the most popular music streaming services in the world. However, with the rapid expansion of its user base, s...[Details]
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Based on past experience, after the release of the iPhone 12 series, Apple will definitely adjust the existing iPhone lineup, abandoning a batch of models, and reducing the prices of some old models....[Details]
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A few days ago, I attended a workshop on battery development held by Nezha Auto. There are many technical details about its self-developed "Tiangong Battery". In general, the "Tiangong Battery" is ...[Details]
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Compared with Class AB amplifiers, Class D amplifiers have better efficiency and thermal performance, but implementing a Class D amplifier still requires attention to good electrical design and therma...[Details]
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Chapter 1 Overview of the subject 1.1 Overview of the topic The design and research parties of the project, the design process and research content, the background of practical application, etc. mu...[Details]
PCB Design
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