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...
:congratulate: I have a Bluetooth speaker. I think the built-in battery (7.4V 22.2Wh) is broken. Now I can only use it with a power adapter. I want to take it outside and there is no power supply. Can...
Recently, a Taiwanese engineer revealed that due to the outstanding performance of the department in 2021, TSMC's salary and benefits are equivalent to working in one year for two or three years.Figur...
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 ...
Once considered a luxury appliance, dishwashers have become a must-have kitchen appliance for most households. While the price of a dishwasher varies mainly by capacity and brand, many models now...[Details]
In the development of intelligent driving, the current assisted driving system is classified around different driving scenarios and the impact on the car owner. In order to meet the expectations of c...[Details]
With the continuous advancement of technology, skin technology has entered the real world from science fiction. In the service field, the application of this technology can not only bring robots a ...[Details]
The implementation of CRC algorithm can generally be divided into two types: operation and table lookup. The former is obtained by shifting and XORing a CRC polynomial.
The latter takes up less progr...[Details]
introduction
CNC machine tools are machine tools that are controlled by digital programs and have the characteristics of high precision, high efficiency, and high degree of automatio...[Details]
On November 6, Xinruida stated on the investor interaction platform that the company has been deeply involved in the new display field. The Micro LED technology project under development can be appli...[Details]
//T2 interrupts every 50ms to generate a time reference, P1 port outputs field code, P2 port outputs word code, and dynamically displays hours, minutes, and seconds.
#include reg52.h
#define uchar ...[Details]
Fault phenomenon 1: When the mains power supply is normal, there is output during inversion, but the output voltage is as high as 275
Analysis and repair: According to
the working principle o...[Details]
At the end of the last century, Professor Hu Zhengming was ordered to lead the team to develop alternative processes in order to solve the problem of the "end of life" of traditional CMOS processes. ...[Details]
In the past, particle size analysis methods usually used screening or sedimentation methods. The commonly used sedimentation method has the disadvantages of slow detection speed (especially for small ...[Details]
The present invention discloses a flip-chip structure light emitting diode and a manufacturing method thereof, comprising: making a first metal layer on a heat dissipation substrate and forming a p-el...[Details]
In 2010, there are two concepts that are most worthy of discussion: "Apple" and "environmental protection".
"Apple" concept: The "Apple" trend of mobile phones, led by iPhone, and tablet compu...[Details]
On October 16, 2023, SAIC-GM -Wuling held Wuling Technology Evolution Day in Shanghai. At the press conference, Wuling officially released two self-developed core technologies, "Wuling Lingxi Hybrid ...[Details]
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