Recently, due to work needs, I need to check the dts of the project. But it is painful to check the text document, especially when I encounter a careless indentation of the curly braces that is not ma...
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...
Operating System (RISC-V) : https://training.eeworld.com.cn/course/6015The operating system is the core system software responsible for managing various hardware and software resources in the computer...
From ancient times to the present, washing clothes has always been a heavy and arduous household chore. It was not until 1874 that wooden hand-cranked washing machines were born, followed by steam wa...[Details]
Recently, the high-end version of Redmi Note 9 appeared on GeekBench. The GeekBench running score website shows that the high-end version of Redmi Note 9 uses a Qualcomm Snapdragon 750G pro...[Details]
Apply 6.3V AC voltage to the filament of the color picture tube, and leave the other pins empty. Set the selector switch to R×100Ω, connect the black and white meters to the modulation grid (usually ...[Details]
The frequency characteristic analyzer can quickly and dynamically measure the frequency characteristics of the network under test, obtain the transmission characteristics of the network under test, an...[Details]
Fiber optic transceiver is an indispensable device in network data transmission. So what is a fiber optic transceiver? What are the components of a fiber optic transceiver? What role does a fiber opti...[Details]
Microcontrollers MCU is an integrated circuit chip. It uses large-scale integrated circuit technology to integrate the central processing unit CPU with data processing capabilities, random access mem...[Details]
R8100 radio integrated tester is a multifunctional test instrument with built-in spectrum analysis module, signal generation module and integrated analysis module. The product can customize test para...[Details]
1. Conductivity:
Conductivity (total dissolved solids) is abbreviated as TDS. Conductivity is the ability of an object to conduct electric current. The measuring principle of the conductivity m...[Details]
In the ARM processor, the execution of the program is mainly controlled by 3 situations:
1. The program is executed in a pipeline manner. The value of PC is the address of the next instruction, tha...[Details]
The inverter is a basic driving device in industrial automation systems, usually used to control the speed and direction of AC motors. If the working environment of the inverter is relatively harsh...[Details]
Recently, CATL's first overseas factory in Thuringia, Germany, achieved mass production of lithium-ion battery cells as scheduled, marking a milestone breakthrough in CATL's global development....[Details]
With
the development and progress of
solar photovoltaic
technology,
solar cells
,
as a
new energy source
, are first used in lighting fixtures in the civilian field.
Sola...[Details]
The basic knowledge of digital tubes has been explained almost. Let's do a question to end the learning content of this chapter. 1. Question requirements The development board needs to be powered ...[Details]
1 Design Task
(When pressed, all red lights will light up in sequence, and the digital tube will display the 15S timer; the east-west green light will light up, the north-south red light will light u...[Details]
Portable gas detectors are the new favorite of gas detectors. With the continuous improvement of gas detection technology, portable gas detectors can be equipped with multiple gas (inorganic/organic...[Details]
Test/Measurement
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