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1 Introduction
At present, ordinary touch screens mainly include infrared, resistive, surface acoustic wave, capacitive and other types. However, these types of large screens, especially ultra...[Details]
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How to control the motor speed of the inverter power supply
1.Why can the speed of the motor change freely?
The unit of motor speed: R/min, the number of rotations per minute, can a...[Details]
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1. Circuit Design This circuit consists of AT89C51 minimum system, 74HC595 shift register, 8*8 dot matrix LED screen and buttons. 74HC595 displacement register 74HC595 is an 8-bit serial input and ...[Details]
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A preliminary study on the development of single-chip microcomputer I have been working on AT89C5X (51, 52, 55, etc.) for the longest time, and may know more. I will mainly talk about the experience ...[Details]
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Compared with traditional mechanical meters, electronic meters can realize three important functions: recording electricity consumption time, prepayment, and automatic meter reading. They also have hi...[Details]
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At present, the reasons that limit the popularization of urban intelligent driving functions are mainly divided into two aspects. First, autonomous driving relies on high-precision maps. In my coun...[Details]
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Speaking of North Korea, everyone may be familiar with it. As one of the most isolated and closed countries on earth, we often hear a lot of rumors about the miserable lives of the North Korean peopl...[Details]
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Recently, the General Administration of Quality Supervision, Inspection and Quarantine announced the results of the national supervision and random inspection of the quality of the third batch of p...[Details]
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See the figure for the method. Use the R×10 position of the multimeter, connect the black test lead to the anode of the unidirectional thyristor, and the red test lead to the cathode. At this time, th...[Details]
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Low-frequency and ultra-low-frequency signals are widely used in medicine, electrochemical research and experimental teaching. Especially in the field of electrochemistry, ultra-low-frequency sig...[Details]
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Japan plans to require chipmakers to maintain production in the country for about 10 years before they are eligible for a new subsidy aimed at encouraging more players to set up factories in the coun...[Details]
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Now everyone uses S52, why use C2051! The price is similar. But C2051 is much smaller than S51 and S52, and it has only 20 pins. In some simple control, these pins are enough, and the small size is...[Details]
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Due to the continuous development of light-emitting diode technology, it is gradually being applied to various fields such as signal, display, lighting and machine vision recognition. The commonly ...[Details]
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Power supplies come in a wide variety of types and sizes, from traditional analog power supplies to highly efficient switching power supplies. They all face complex, dynamic operating environments....[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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