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Apple held a "blast" new product launch conference early this morning, announcing the launch of the Apple Music voice control solution, a new level of Apple Music subscription service designed ...[Details]
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Problem description: When using the STM32F105RB chip for serial port programming, the macro definition is STM32F10X_HD. The serial port is normal and can send and receive data. If the macro definitio...[Details]
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1. Introduction
In recent years, 3D LED display technology has been continuously developing. With the popularity of the movie "Avatar", 3D LED TVs have become more and more popular and have be...[Details]
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When iOS 15 was released to the public last month, people were quick to complain about notifications. In previous versions of iOS, Apple offered a dedicated way to disable Apple Watch keyboard and Ap...[Details]
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Preface
Relay Switch Module is used as signal switch and is widely used in IC testing, power monitoring management, industrial process and traffic control fields.
In recent y...[Details]
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1. Serial port related registers USART_SR Status Register USART_DR Data Register USART_BRR Baud Rate Register USART_CR1 Control Register USART_SR – Status Register: Status register USART_S...[Details]
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This article gives a detailed introduction to zero-crossing detection in bidirectional thyristors, and explains the circuit of zero-crossing detection and the two-point voltage output waveform respect...[Details]
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The ultrasonic generator designed in this paper uses a single-chip microcomputer to generate an initial signal, and then generates ultrasonic waves for killing water fleas after a series of process...[Details]
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Dual motor drive provides two control modes for one axis, tandem control and synchronous control. Tandem control performs position control only on the main motor axis and torque control only on the...[Details]
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(Photo source: greencarcongress) According to foreign media reports, an international research team synthesized a one-dimensional string-like platinum-nickel alloy nanocage with a platinum skin st...[Details]
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Electromagnetic compatibility (EMC) is an emerging comprehensive discipline that mainly studies electromagnetic interference and anti-interference issues. Electromagnetic compatibility refers to th...[Details]
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#include intrins.h
#include reg51.h
#define uchar unsigned char
#define uint unsigned int
sbit cs=P3^0; // define the bit of ADC0832
sbit DI=P3^2;
sbit DO=P3^2;
sbit clk=P3^1;
float r...[Details]
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1. Hot Wire/Thermal Mode Air Flow Sensor Appearance
There are many types of air flow sensors. The most commonly used ones are hot wire and thermal mode, which are mass flow detection sensors.
...[Details]
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On October 18, the Ganquanbao 400MW/1600MWh hybrid electrochemical shared energy storage project with a total investment of about 1.9 billion yuan was launched in the Ganquanbao Economic and Technolog...[Details]
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It is generally believed that the definition of gas detectors is based on the detection target. In other words, all sensors used to detect gas composition and concentration are called gas sensors, reg...[Details]
ST - Low Power RF
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