1. Introduction
In fact, I wanted to make an interactive device before, which can monitor some website information, so that I can see and give feedback in time. I have been exposed to the ESP32 series...
[i=s] This post was last edited by me on 2021-4-8 17:32[/i]As shown in the figure below, the highlighted part is the 3.3V routing of STM32F103. First, AMS1117-3.3 outputs 3.3V in the upper left corner...
[i=s]This post was last edited by qiushenghua on 2015-8-30 13:48[/i] This is the board mentioned in this post: [url=https://bbs.eeworld.com.cn/thread-472572-1-1.html]https://bbs.eeworld.com.cn/thread-...
[backcolor=rgb(239, 245, 249)][font="][b]Teach you how to write Linux device drivers---Timer (I) (Based on Friendly Arm 4412 development board) For details, please see the attachment[/b][/font][/backc...
[size=3] Digital signal processing is the theory and technology of representing and processing signals in digital form. Digital signal processing and analog signal processing are subsets of signal pro...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[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]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[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]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
Intel®
Xeon®
6
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core processors now support the new Amazon EC2 R8i and R8i-flex instances on Amazon Web Services (AWS).
These new instances offer superior performance and fast...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
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