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In flow field measurement and control, in addition to the "sensing part" test equipment such as pneumatic probes for contacting the airflow, auxiliary equipment such as motion controllers and elect...[Details]
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The conversion between DC and DC mainly refers to the conversion of electrical energy from one voltage value of DC current to another voltage value. As a small power switch module, DC-DC can grea...[Details]
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1. Comparison of high-frequency crystal oscillator measurements Let's first feel the difference in measurement results when the probe ground wire is long or short. Take the crystal oscillator signal ...[Details]
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On July 30, the reporter learned from Xining (National) Economic and Technological Development Zone that in order to effectively respond to the cyclical changes in the photovoltaic and lithium battery...[Details]
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A lot has changed since IEEE Spectrum released its ranking of programming languages last year, but one thing that remains constant is Python's dominance. Since it's impossible to find out which l...[Details]
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Mouser Launches Single Pair Ethernet Technology Page with Texas Instruments and Phoenix Contact September 30, 2021 – Mouser Electronics, Inc., the premier New Product Introduction (NPI) and widest ...[Details]
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The harm of inverter condensation
Air under natural conditions is composed of a small amount of dust, water vapor and absolutely dry air. The amount of water vapor that the air can hold is pro...[Details]
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In 1879, American physicist Edwin Herbert Hall (1855-1938) discovered in an experiment that when current passes through a conductor perpendicular to an external magnetic field, a potential differen...[Details]
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Eight-way voltmeter C program /*Use AT89C52 microcontroller, 12MHz crystal oscillator, P0 port to read AD value, P2 port for AD control, use common anode LED digital tube P1 port outputs segment code...[Details]
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The overall structure of this design is shown in Figure
1
.
Figure 1 System overall structure
1. Design of PC monitoring software
(
1
) First, complete the
DDE
...[Details]
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//According to experience, the following program is correct and can make the LED light on for 1s and off for 1s
#include avr/io.h
#include avr/interrupt.h
#define uchar unsigned char
#define uin...[Details]
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The exchange instruction exchanges the contents of a storage unit with the contents of a specified register. The exchange instruction provides a convenient solution for inter-process synchronizatio...[Details]
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On April 11, Li Hongzhong, member of the Political Bureau of the CPC Central Committee and Secretary of the Tianjin Municipal Party Committee, and Zhang Guoqing, Deputy Secretary of the Municipal P...[Details]
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We will introduce the soft start operation characteristics of asynchronous motors from the following aspects
1. Several commonly used starting methods for soft starting
1. When the motor ...[Details]
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Castrol joins hands with Beijing Jianheng Certification Center and Zhonghong Science and Technology to launch immersion thermal management energy storage solution
(October 16, 2024, Beijing,...[Details]
DSP and ARM Processors
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