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I would like to ask if the 8255A chip can only select one port at a time. After defining the address for the port, such as Q8255A XBYTE[0x1CFF], if you want to use port A in the program, you can direc...
[i=s]This post was last edited by maychang on 2019-7-23 15:32[/i] There are many definitions of digital power supply. The more common ones are Definition 1: Power supply with digital control functio...
Activity details: [Mil based on NXP's first NPU kit MYC-JX8MPQ]Updated to 2022-04-17Evaluation report summary:@Popular Technology[Mil MYC-JX8MPQ Review] + Improve the sht20 reading on the QT side[Mil ...
Common water level sensors include photoelectric, float, capacitive, and ultrasonic types. The working principles and application environments of each type of water level sensor are different. So how ...
I am about to graduate and need a graduation project. I can't think of anything to do. Can anyone provide a project, like a password lock, a microcontroller application?...
The most advanced radiation-tolerant CPUs and memories use technologies that are subject to the harsh radiation environment of space.
Radiation mitigation measures are necessary to address si...[Details]
Google I/O Developer Conference was officially held in the United States, and Android Q was officially released at the conference. As a major version of the Android system, Android Q has ushere...[Details]
1. Code Debug Use ST-LInk, SWIM interface, development environment STVD 1. Open STVD and use the STVD software to open the project that needs debugging; 2. When using for the first time, select Debug...[Details]
In recent years, the technology of using silicon-based materials as
LED packaging
substrates has gradually
been introduced
from
the semiconductor
industry to the
LED
industry....[Details]
Nokia's annual report showed that it had received a 500 million euro ($561 million) loan for 5G technology research and development last month, according to Reuters. The company said the loan, which ...[Details]
Foreign media GizmoChina and Yogesh released the latest news about Samsung's folding screen models. The next folding model may be Samsung's three-fold tablet computer or named Samsung Galaxy Z ...[Details]
0 Introduction
Digital filtering is a computational method composed of digital multipliers, adders, and delay units. Its function is to process the digital code of the input discrete signa...[Details]
This paper introduces a simplest example of a host computer for serial communication. The microcontroller continuously sends data to the serial port. The host computer displays the data sent by the s...[Details]
The degree of intelligence in LED lighting systems is an issue that deserves attention. LED lighting can reduce energy consumption and maintenance costs, and intelligent LED lighting design can ...[Details]
Currently, lithium batteries are used more and more widely, from mobile phones, MP3, MP4, GPS, toys and other portable devices to gas meters that need to continuously save data, and the market capaci...[Details]
New data compiled by the Association for the Advancement of Sustainability in Higher Education show that solar power installed capacity at U.S. colleges and universities has surged 450% in the past...[Details]
When designing a low-power USB circuit that operates from a power source other than 5 V, you must decide whether to use a separate battery or a small power source from the host computer. The problem ...[Details]
"Can the machine locate it?" "Yes!" On the morning of April 28, a complicated femoral neck fracture surgery was being performed at Foshan Traditional Chinese Medicine Hospital. Liu Xiaofang, director...[Details]
In recent years, emerging information technologies such as the Internet of Things, cloud computing, big data, and artificial intelligence have become increasingly mature and have played a huge role...[Details]
On November 12, according to data provided by Bank of America in a new investment report, Intel is plagued by more and more unfavorable factors and its market share is increasingly losing to its ri...[Details]
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