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Homemade Pulse Oximeter Circuit
The electronic pulse meter takes the "finger pulse" signal from the finger, which is very convenient to use. When the front end of the finger is slightly compressed,...[Details]
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A single-chip microcomputer is an integrated circuit chip that uses very large-scale integrated circuit technology to integrate a central processing unit CPU with data processing capabilities, rand...[Details]
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The photoresistor concentration meter is used to detect the light energy passing through a substance, so as to understand the composition or properties of the substance. The milliammeter is divided i...[Details]
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Use the microcontroller AT89S51 and ADC0809 to design a digital voltmeter, which can measure the DC voltage value between 0-5V and have a four-digit digital display, but requires the minimum number o...[Details]
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There are two ways to install the driver: (1) Module insertion method; (2) Compile directly into the kernel; In this chapter, we will explain in detail the method of directly compiling into the ker...[Details]
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Denmark: Wind turbine manufacturer Vestas has confirmed it is developing energy storage solutions with electric car specialist Tesla.
Vestas claimed that it had developed a number of small-sca...[Details]
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Range anxiety is still common among electric car users At present, people are most worried about two things about electric vehicles: battery life and safety. As long as these two points are overcom...[Details]
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According to foreign media reports, information about new phones accessing the Brazilian National Telecommunications Bureau ANATEL shows that the battery capacity of the iPhone 12 mini is 2227mAh, wh...[Details]
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Intermediate frequency bandwidth (IFBW) refers to the bandwidth of the intermediate frequency filter inside the network analyzer receiver. Setting IFBW generally requires balancing two factors: dynam...[Details]
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Taiwan's Ministry of Economic Affairs said on Sunday (January 24) that it had received requests through diplomatic channels to help ease the chip shortage in the automotive industry and had asked Tai...[Details]
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The automotive industry's desire for intelligence has never been as urgent as this year.
On the one hand, the heads of major car companies are making every effort to promote intelligent ...[Details]
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1 Overview
In a dedicated communication system, telephone conference is an indispensable function, such as the command and dispatch of troops, station dispatch, three-party conference of telep...[Details]
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Latest! Forbes has released its first ever Asia Pacific 200 Best Over a Billion list: the 200 best performing listed companies in Asia Pacific with revenues of $1 billion or more. Forbes conducted a...[Details]
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Abstract:
Error proofing technology refers to any device or facility that can prevent human errors or make people find errors at a glance. Error proofing is also called fool proofin...[Details]
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Three-phase inverters are usually designed to drive three-phase motors, while single-phase inverters are used to drive single-phase motors. Converting a three-phase inverter to single-phase use req...[Details]
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