There is a saying that goes, expensive is in value! Everyone knows that PCB materials such as resin PCB, metal PCB, and ceramic PCB, among which resin is the cheapest and ceramic is the most expensive...
Now I am doing the sleep wakeup of 2440, using the bootloader compiled under ADS. In OAL, eint0 is set as the wakeup interrupt, and by lighting up the LED, I found that the startup.s function oalcpupo...
On February 9, local time, Dutch lithography giant ASML announced in its 2021 financial report that Chinese company Dong Fang JingYuan Electron (DFJY) was actively selling products in China that could...
Suppose I have two wireless modules, both with a frequency of 433MHz, one sending data packets and the other receiving data packets, which are defined as module A and module B respectively. Now I want...
uPyCraft Software Introduction uPyCraft is an IDE designed specifically for micropython, supporting Windows XP, Windows 7, Windows 8, Windows 10 series operating systems, MAC OSX 10.11 and above opera...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
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 future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Single-chip microcomputer is the abbreviation of single-chip microcomputer. It is made by integrating CPU, ROM, RAM, TIMER/COUNTER and input/output interface (I/O) on a large-scale integrated circu...[Details]
The use of power switches is complex and confusing to most electronic product designers, especially those who are not experts in power management. Power switches are increasingly being used by desi...[Details]
Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]
Binary translation is a technology that directly translates executable binary programs, and can translate binary programs on one processor to execute on another processor. It makes it easy to...[Details]
Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]
Compared with other air conditioning systems, ground source heat pump systems have outstanding advantages. Since the temperature deep in the ground remains unchanged all year round, it is much higher ...[Details]
Introduction
A key technology of the household electric hot water circulation heating bath introduced in this article is the nano material far-infrared thin film electric heating tube. More tha...[Details]