When writing and using spi, you need to use the high-level output signal of the GPIO3.21 pin.The input method in the hyperterminal is:
# cd /sys/class/gpio/sys/class/gpio# echo 117 export/sys/class/gp...
1. It is known that ( 80H ) = 10H , ( 81H ) = 40H , then after executing the two instructions LD 80H , 16 , B and ADD81H , B successively, the content of B is .2. If the buffer length is BK=10 and the...
Very confused, other people's computers can connect to the router, linksys's broadcast name is "linksys." But mine can connect, but I can't get the IP, even if I change the IP myself, it still doesn't...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
introduction
With the development and widespread use of integrated circuits in power electronics design, electronic products are trending towards smaller sizes, more components, and greater fu...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
RF/Wirelessly
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