In circuit design and PCB production, we often encounter power symbols: VCC, VDD, VEE, VSS. What is the relationship between them? 1. Explanation VCC: C=circuit means circuit, that is, the voltage c...
[i=s]This post was last edited by yhye2world on 2019-8-6 13:06[/i]1. Application scenario:used to measure the displacement of the tip of a signature pen;
The displacement sensor is installed inside th...
The AIOT industry is changing rapidly, and the demand for lightweight operating systems is stronger than ever. How can developers meet new opportunities and challenges in this wave?
The 2020 RT-Thread...
The first time data is received and read, it is normal. The second time data is sent, the message object does not change, and the previous data will be re-read during the next interrupt. Why is this?...
1. Introduction
In the previous article, I created a product. In this article, I started to connect to the Internet. Connecting to the Internet is also very simple, but I also encountered some pitfall...
The steps of porting ZigBee protocol stack are as follows: 1) Learn the similarities and differences between the custom hardware platform and the hardware supported by Microchip ZigBee prot...[Details]
Everyone has seen radar (at least on TV). It feels great every time I see it. It can detect various obstacles. It would be great if I could have one.
But there is someone who not only dares to...[Details]
The reception of FM radio has been a hot topic in recent years, especially last year. This is because FM radio has better sound quality, higher fidelity, stronger anti-interference, richer programs, a...[Details]
CS8516 is a 5V-15V wide voltage AB/D class switching chip mono audio power amplifier IC for radio applications. The efficiency of traditional Class AB audio amplifiers is generally around 55%. When...[Details]
Recently, the American Ford Motor Company applied for an interesting patent, which attracted people's attention. In the documents submitted to the U.S. Patent Office, you can see an SUV-like model of...[Details]
1. What can a single-chip microcomputer do? Currently, single-chip microcomputers have penetrated into every field of our lives. It is almost difficult to find a field without single-chip microcomp...[Details]
In the article "Magnetic Flux", constant magnetic flux is mentioned. A friend left a message saying, why is magnetic flux a constant and equal to the ratio of voltage to frequency?
In fa...[Details]
introduction
The μC/OS-II operating system is a real-time operating system based on a microkernel. Its features such as preemptive multitasking, microkernel, and good portability make it widely use...[Details]
Lesson 2: Getting Started with 51 Chips
In the last lesson, our first project was completed. Some friends who know C language may say, "This is not much different from the C langu...[Details]
As the video resolution of LCD and camera in mobile phones increases, the frequency of data operation will exceed 40MHz, and the traditional filter solutions have reached their technical limits for su...[Details]
On August 27, Samsung's new generation of 5G flagship smartphone Galaxy Note20 series media tasting event was successfully held in Beijing. In addition to the two new models, Samsung Galaxy No...[Details]
According to foreign media reports, Aalto University in the United States has developed a new bionic sensor that can identify moving objects in a single frame of video and successfully predict where ...[Details]
In some application scenarios such as outdoor mobile devices, DC power supply is often required when using AC synchronous servo motors. Therefore, understanding how to use AC synchronous servo moto...[Details]
The ABB robot system key is a technical means used in the ABB robot system to protect its intellectual property and ensure system security. This article will introduce the relevant knowledge of the...[Details]
Analogue and Mixed Signal
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