I use EasyArm as a TCPIP driver. When the program is running, it sends an ARP request packet to my PC to request the MAC address. I can see the response packet from the PC to my board on the PC, but I...
EMI/EMC is a difficult problem for most PCB designs. I hope you can post relevant EMI/EMC information and discussion in one post to help everyone search and discuss! ~...
1. Active safety system Active safety system refers to a safety system that prevents accidents by taking precautions in advance. It is expected to reduce casualties in traffic accidents in the most th...
Can DSPF2812 control two modules that need serial port control with one serial port? A voice module and an LCD module. Both of them need serial port to send commands and receive the same content!...
How should I analyze this circuit diagram, [img=110,0]https://bbs.eeworld.com.cn/ajaximage.php?aid=93546&size=300x300&key=82d8e62ef9272a74cd176c3374945057&nocache=yes&type=fixnone[/img]? How did I bui...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
Reflow soldering, a common soldering method in modern electronics manufacturing, primarily melts solder paste and pads to form solder joints. With technological advancements, soldering equipment ha...[Details]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
Overview
As handheld voice communication devices become more and more popular, they are increasingly used in noisy environments, such as airports, busy roads, crowded bars, etc. In such noisy ...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]