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 ...
As software radio theory matures, software radio technology is increasingly used in military or civilian communication systems. Among them, digital down-conversion technology (DDC) is one of the core...[Details]
1. Sound measurement method The use of acoustic measurement method is a common method for cable fault location from the past to the present, and it is also an effective method. However, the instr...[Details]
In 2018, developers successfully ran a full Windows 10 system on the Lumia 950 and 950 XL. Last year, developers also began porting Windows 10 to ARM for flagship Android phones such as the On...[Details]
1. What is the main purpose of the inverter?
The inverter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microproces...[Details]
With the arrival of the cold wave, many photovoltaic power stations are covered with a thick layer of snow, and the power generation of photovoltaic power stations will also be affected. How can ph...[Details]
Human-machine interface (HMI) and human-computer interaction interface are closely related concepts. They are both used to describe the interface and method of interaction between humans and comput...[Details]
Low power consumption is a very important indicator of MCU. For example, some wearable devices have limited power. If the entire circuit consumes a lot of power, the battery will often be insufficien...[Details]
1 Introduction STC (Hongjing Technology) Company launched STC 89C/S 51XX/52XX series of single-chip microcomputers, which have the advantages of low price, undecryptable, low power consumption, hig...[Details]
Refrigerators and other kitchen appliances present a serious challenge to off-grid energy systems due to their high energy demand. Improved refrigerator compressors are now driven by brushless DC mot...[Details]
What is an interrupt routine? A vivid metaphor is like you are reading my article now, and suddenly your friend asks you to go roast sweet potatoes together. At this time, you interrupt reading the...[Details]
At present, the research and development of high-performance AC speed regulation systems has attracted great attention from scholars from all over the world and has been studied more and more deeply. ...[Details]
Preface Nowadays, the wide application of aerial robot technology in many fields such as civil and national defense has been increasingly valued by people and has attracted the attention of experts a...[Details]
AMD reported third-quarter profit and revenue that exceeded analysts' expectations after the market closed on Tuesday, and also provided strong guidance for the fourth quarter. The stock rose 1% i...[Details]
At 5 pm on October 18, the user-side energy storage project of Jiangsu Zhongjin Matai Pharmaceutical Packaging Co., Ltd. reversed power and was successfully connected to the grid and put into o...[Details]
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