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Understand the impact of DC bias when testing AC signals with a handheld multimeter. Keysight's handheld multimeter has three AC voltage levels, from the initial V level to the mV level, which we d...[Details]
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1 Introduction
Smart home system control methods are mainly wired network and wireless network. Wired method, as the name implies, requires networking through laying cables. This networking me...[Details]
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Abstract: When designing a new AC purification power supply, it is necessary to study the relationship between the equivalent inductance L and the thyristor firing angle θ. This article explores...[Details]
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Recently, the complete configuration of vivo NEX 3 was exposed in an offline event. Photos of the offline event show that vivo NEX 3 will use a borderless waterfall screen with a screen-to-body ratio...[Details]
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Editor's Note: The following links give some basic knowledge about oscilloscopes, which are shared with everyone for literacy purposes.
Oscilloscope: This article systematically introduces what an ...[Details]
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Neutral voltage
Will a high neutral voltage be a "fatal weakness"? Normally, users are terrified when they hear about neutral voltage. The person who raised the question added fuel t...[Details]
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This is a C language source program for a microcontroller that a friend in a group sent to me. It can realize forward and reverse rotation and acceleration and deceleration of a stepper motor. I ...[Details]
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In this Power Tip , we will determine some leakage inductance requirements for coupled inductors in the SEPIC topology. The SEPIC is a very useful topology when electrical isolation between the prima...[Details]
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The relay protection tester can independently perform AC testing, DC testing, low cycle synchronization, time measurement, power impedance, differential testing, superimposed harmonics, a complete ...[Details]
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Gas ultrasonic flowmeters are widely used in natural gas metering around the world because of their advantages such as easy installation and high measurement accuracy. At present, gas ultrasonic flo...[Details]
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Introduction: The following is some of my experience in practice. I found this because I encountered problems when trying to use the programming board circuit suitable for SAMSUNG S3C44B0 JTAG to pro...[Details]
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There are multiple ways to program a product when it comes to high volume production. In a previous article, we showed you a homemade test PCB that could be created to program an ATtiny. In this arti...[Details]
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According to the "Science and Technology Innovation Board Daily", it was learned from the supply chain that Huawei will release a new gallium nitride charger (single product) at the 2020 Spring Confe...[Details]
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On July 22, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Pinjia has launched a 240W 5G open frame solution b...[Details]
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On October 29, for users of the Chinese version of iPhone, what they are most concerned about is when they can experience the Chinese version of Apple Intelligence.
Apple stated in an official...[Details]
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