[i=s]This post was last edited by ddllxxrr on 2022-1-27 21:32[/i]Semaphores are used to coordinate the running order between threads, or to synchronize threads.
The semaphore of RT_THREAD NANO is simp...
I am a sophomore in college. My school is not an engineering school. My teacher said that our practical conditions are very poor. I am not sure what I have mastered after graduation compared to my fri...
[i=s] This post was last edited by qwqwqw2088 on 2016-5-17 22:07 [/i] [color=#000000][font=Arial,] In the circuit design, the role of the full bridge is very important. When the four diodes in the bri...
When I am drawing a PCB package library, I want to set the unit to mm by default. The system defaults to mil, so it is very annoying every time I draw. Please give me some advice....
I just came into contact with stc89c52 single chip microcomputer. Now I want to make a small system to measure light intensity using GY-30 and single chip microcomputer! The hardware is ready, but the...
[i=s]This post was last edited by lonerzf on 2014-11-23 15:16[/i] After a few days of continuous attempts, I finally successfully completed the cross-compilation of OpenCV. Alas, this is a compilation...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
GD32 MCU
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