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Drunk driving is prone to traffic accidents. In order to reduce or eliminate this phenomenon, a breath alcohol tester is usually used to conduct on-site testing of drivers to determine whether the dri...[Details]
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Fiber Amplifier/EDFA, Principle and Classification of Fiber Amplifier/EDFA
Fiber Amplifier Classification
There are three main types of optical amplifiers:
(1) Semiconductor Optical Amplifier (...[Details]
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Although output voltages continue to drop and regulation requirements become increasingly stringent, your task may not be as difficult as it appears. Even if you must design with 1% or greater toleran...[Details]
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When configuring the STM32 timer, the timer interrupt enable, timer enable, and clear update interrupt flag have different effects when the three programs are executed in different orders, as follows...[Details]
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Drain voltage without suppression
Figure 1 details
the typical gate drive voltage and drain voltage waveforms for a push-pull driver operating
from a 15V DC
supply
. In a push-pull driver c...[Details]
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1. Discrimination of transistor materials and polarity
1. Identify the material and polarity of the transistor from the model name. The second part of the domestic transistor model name uses the ...[Details]
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In recent years, China has introduced a series of education policies to promote the comprehensive development of modern education. In 2018, the Ministry of Education of China issued the "Education In...[Details]
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Network power management application background: With the development of information technology, the scale of data centers is also expanding. With more investment and more equipment is no longer a ...[Details]
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When building an ARM project in Keil (I use realview mdk3.11) One of them is to select use MicroLIB Since I am not very familiar with KEIL, I checked it and got the following information: microlib ...[Details]
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Servo control systems are widely used in industrial robots, CNC machine tools, electronic manufacturing, printing machinery, textile machinery and other fields, playing an important role in industr...[Details]
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The fluctuation of K of various average velocity tube flowmeters under such low flow conditions is very large, which affects the measurement accuracy. The measurement of micro differential pressure le...[Details]
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Imagine a printed computer the size of a postage stamp with RAM, ROM, onboard sensors, certified Bluetooth, an Arm CPU, flash memory, and secure communications that requires no batteries and can harv...[Details]
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Reset STM32F supports three reset forms, namely system reset, power reset and backup area reset. 1.1 System reset When one of the following events occurs, a system reset is generated: 1. Low...[Details]
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Recently, Saimet completed a RMB 50 million Series A financing. Sinomet is an industrial intelligent manufacturing system provider, providing comprehensive solutions and services to customers in the ...[Details]
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ARM seven working modes: Figure 1-1:
Figure 1-1
The above seven working modes can be set in cpsr: M =Mode number as follows.
Figure 1-2
The reason for having so many...[Details]
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