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On July 7, Hengdian Dongmei announced that its net profit in the first half of the year is expected to be 516 million yuan to 584 million yuan, a year-on-year increase of 50% to 70%. Regarding the ...[Details]
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The range self-switching frequency meter is controlled by AT89C51 single-chip microcomputer, and is mainly composed of five modules: signal amplification and shaping circuit, single-chip microcom...[Details]
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Speaking of the development trend of future cars, I believe everyone can see some clues in various American blockbusters such as "Looper", "Gravity", "Thor", etc. (Okay, Thor is too futuristic). ...[Details]
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Introduction
With the unprecedented prosperity of LED technology, LED badges have attracted much attention. LED badges, also known as LED work badges, are a novel LED patch dot matrix "business...[Details]
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Samsung Electronics launched nine 2020 QLED TV models on Thursday, The Korea Herald reported. Samsung Electronics said it has tripled the size of its QLED 8K TVs to increase consumer choice and conso...[Details]
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introduction Electromagnetic ultrasound is a non-contact ultrasonic detection method that does not require any physical contact with the object being tested, does not require coupling agents, and ca...[Details]
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When using a digital multimeter, you should not only look at the basic specifications, but also its features, functions and all design and production indicators. The following are the basic indicator...[Details]
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(1) Typical characteristics of poor contact. The poor contact phenomenon of pointer multimeters mostly occurs between the plug and the socket of the test line. The typical characteristics of the fau...[Details]
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environment: Host: WIN8 Development environment: MDK4.72 ucgui version: 3.90 ucos version: ucos-ii mcu: stm32f103VE illustrate: In this example, task2 sets the last two bits of the semaphore set to...[Details]
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In view of the complexity of current applications, SOC chips can better meet the needs of applications and media, integrate many interfaces, use ARM as an application processor for diversified appl...[Details]
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Today, the "Light of the Internet" Expo opened with the sound of piano played live by robots, and a large number of the world's top Internet scientific and technological achievements were unveiled in...[Details]
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1 Overview
The AD8022 consists of two low-noise, high-speed voltage feedback amplifiers. The voltage noise generated by its two input terminals is only 2.5nV/√Hz. It also has the characteristi...[Details]
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Although the micro linear guide has become smaller and more mini, its accuracy is not compromised at all! It still has the characteristics of strong rigidity and high precision! It has become an in...[Details]
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Basic Working Principle of Induction Motor
An induction motor is an electric motor that generates torque between the rotor and the stator through induced current. Its basic working principle i...[Details]
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CAN (Controller Area Network) is a communication protocol used in automotive and industrial automation. The collected CAN data needs to be processed and analyzed to better understand the communicat...[Details]
PCB Design
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