GPIO operations can be performed through the sys file system interface. When the file system operates GPIO, you must first check whether the GPIO you want to operate is occupied by other drivers. If i...
There have been posts before that reflect that when performing UART testing, since the UART interface on the board does not provide power to the development board, two USB cables are required, one for...
Although it is just a target reporting device, it is not only used for display, but also has wireless communication and human-computer interaction interface. I have never done interface development in...
The comparator of msp430, in fact, here you just need to understand a picture, two registers, and understand the working principle.
This is the logic diagram of comparator A. Comparator A consists of ...
PMOS tube knowledge. When the gate-source voltage VGS difference is -0.4V, the transistor will conduct.
And if S=2.8V, then G can be turned on when it is less than or equal to 2.4V, and can be turned ...
Yesterday morning, Meizu officially announced that it will hold a new product launch conference on March 3 to officially launch the Meizu 18 series flagship mobile phones, including two models: Meizu...[Details]
There are many factors to consider in high-power LED packaging technology , and several key packaging technologies are also mentioned. They mainly include: ⑴ In terms of high-power LED heat ...[Details]
After Tesla's "sledgehammer on the door", Nvidia released a chip called "Orin". Regardless of what the "ethical issues" are, Huang Xiaoming gave several technical parameters at GTC China 2019: 17...[Details]
Now more and more IC design manufacturers have joined the LED design team and designed many models. Here we will talk in detail from the perspective of performance-price ratio, how to choose the ri...[Details]
In recent days, the Party Committee of State Grid Shaanxi Electric Power Company has organized party organizations at all levels of the company to thoroughly study and implement the spirit of the F...[Details]
GPIO_Mode_In_FL_No_IT No interrupt for floating input GPIO_Mode_In_PU_No_IT Pull-up input without interrupt GPIO_Mode_In_FL_IT Floating input has interrupt GPIO_Mode_In_PU_IT Pull-up input has in...[Details]
Lockheed Martin has been awarded a $1 billion contract to operate and maintain the ground control system for the Space-Based Infrared System (SBIRS). The U.S. Space Force announced the contract on Ju...[Details]
0 Introduction
In recent years, permanent magnet synchronous motors with better control performance have been gradually used in air conditioning compressor systems to replace brushless DC motors for...[Details]
To all customers:
According to the Notice of the State Administration of Taxation on the Collection of Consumption Tax on Batteries (Caishui No. 16), the collection of consump...[Details]
The ARM connector armlink connects the compiled ELF format file and the related C/C++ runtime library to generate the corresponding result file. armlink can complete the following operations:
**Conne...[Details]
The circuit in Figure 1 generates an output voltage that you can measure to determine if the two sine waves are in quadrature. If the output voltage is 0V, the input waves (φ1 and φ2) are in perfec...[Details]
Current transformers measure current or transfer energy from one circuit to another, so their design requires different calculations than the corresponding voltage transformers. The reason for this ...[Details]
0 Introduction
With the development of economic level, people's demand for cars is increasing. While cars bring great convenience to our travel, they also pose challenges to the health of drive...[Details]
Recently, the reporter learned from the Municipal Development and Reform Commission that the largest electric vehicle charging station in the province, Ganzhou Shanshan Outlets Charging Station, ha...[Details]
describe
HR8828 is an integrated micro-stepping motor driver with built-in stepper table, providing solutions for printers, scanners and other automation equipment. It is designed to enable bi...[Details]
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