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As environmental awareness gradually increases, countries around the world are competing to develop environmentally friendly cars. my country is also investing in the development of battery-powered...[Details]
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The common function of the two is to avoid voltage "suspension" and cause circuit instability;
1. The pull-up resistor is shown in the figure:
1. Concept: Connect an uncertain signal to the po...[Details]
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Since the 11th Five-Year Plan, the Chinese government has promoted semiconductor lighting as a major project. Phosphor is one of the most important key technologies and raw materials in LED. In 20...[Details]
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background In fact, this article has written about the solution a long time ago. After continuous practice and in-depth research, I found that the problem of hardware I2C deadlock has long been solve...[Details]
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1. What is
LED display?
LED
is the abbreviation of light
emitting
diode, or LED for short. It is a
display
method
that controls
semiconductor
light emitti...[Details]
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The latest research shows that in October 2021, Apple's iPhone sales in China increased by 46% month-on-month, making it the largest smartphone manufacturer in China. Counterpoint Research, which p...[Details]
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On February 28, one week before the opening of the two sessions, reporters visited Sinopec's energy station to learn about the energy security work done by this energy and chemical company in preparat...[Details]
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1. Overview
The information input of traditional LED display can only be carried out by directly connecting to the computer through a data cable, which cannot meet the needs of remote inform...[Details]
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IBGT drive circuit design
We designed an IGBT drive circuit based on the optocoupler HCPL-316J. Experiments have shown that the circuit has good driving and protection capabilities. The fo...[Details]
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Stethoscope Earring Elasticity Tester GB11237-TL Stethoscope Earring Elasticity Tester adopts 7-inch (120×90) single-color LCD touch screen with Chinese menu display. Nominal specifications, classifi...[Details]
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0 Introduction
The Global Positioning System (GPS) is the second generation satellite navigation system of the United States. It was developed on the basis of the Transit satellite navigat...[Details]
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Recently, Harbin Institute of Technology Intelligent Technology Co., Ltd. issued an announcement stating that in 2022, the company was issued an "Internal Control Audit Report" with a negative opin...[Details]
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It is very important to understand the pH value and humidity of the soil. Topyunnong's soil pH tester is an instrument specially used to detect the pH value of the soil. It can be directly inserted i...[Details]
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On the evening of August 9, Dongshan Precision released its 2019 semi-annual report. The company achieved operating income of 9.979 billion yuan, an increase of 38.37% over the same period last year;...[Details]
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A DC-DC converter with a built-in MOSFET switch tube converts 12V voltage into -12V voltage, and the output current can reach 200mA. Due to the use of CMOS technology, this IC has the characteristi...[Details]
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