This watch looks relatively new, but it has a problem. I tried to fix it but failed, so I took it apart to show you.This meter supports 2-way thermocouple input, 4600 data records, and USB/RS232 commu...
Product IntroductionR5 is a high-performance Linux core board based on Allwinner R528-S3A dual-core processor developed by our company. It can be widely used in smart home, industrial display, voice c...
I drew a few PCBs some time ago, and some of the board connectors needed to have mounting holes drilled.I have been using the AD14 version of the software before, and I changed my computer after the s...
[size=4][color=#000000][backcolor=white] In many wireless IoT devices, such as wearable electronics and battery-powered or self-powered sensors, it is critical to keep power consumption to a minimum. ...
Some resources collected and sorted by foreign enthusiastsA curated list of professional MicroPython libraries, frameworks, books, plugins, software, resources, and more.ContentsLibrariesAI
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As portable and wireless devices become more complex, they are increasingly vulnerable to electrostatic discharge ( ESD ) and electromagnetic interference ( EMI ). Especially in electronic devices su...[Details]
According to communication theory, the single sideband system converts all power to the sideband of useful information, and the bandwidth used is only half of the double sideband modulation signal. I...[Details]
With the advancement of science and technology, video surveillance technology has gone through digitization and networking, and is now developing in the direction of high definition. High definit...[Details]
When the Keil C51 compiler compiles a program, it generates a list file with the extension LST, also known as a listing file. This file contains a wealth of information about the compilatio...[Details]
According to media reports, a comprehensive survey report on Chinese enterprises shows that in order to cope with the challenge of rapidly rising labor costs, enterprises have accelerated the intelli...[Details]
1. Technical performance: There are two working speeds: 100K and 400K; support multi-machine communication; support multiple master control modules, but only one master control is allowed at the same...[Details]
Learning ARM bare metal is a complicated matter. The introductory concepts and basic knowledge must be understood in order to understand the subsequent knowledge. ARM Concept ARM is first of all a ...[Details]
On the morning of May 23, the U.S. Department of Commerce announced that a total of 33 Chinese companies and institutions will be included in the "Entity List", including Beijing Computer Science Res...[Details]
A small project, after the test time and product volume were slightly larger, some inexplicable non-logical error bugs appeared (the most troublesome thing is that they cannot be reproduced every tim...[Details]
Zhejiang Daily reported that the Jinhua Municipal Government signed an investment agreement with Loongson Technology, and the Zhejiang Loongson Smart Industrial Park is planned to be located in Jinhu...[Details]
The ST-103A manual probe test station is an intermediate test equipment for semiconductor manufacturing process, developed and produced by the 45th Institute of China Electronics Technology Group C...[Details]
Apple's new iPhone 12 series is in hot demand, and mainland non-Apple manufacturers such as OPPO, vivo, and Xiaomi are actively competing for the 5G market. This has boosted the use of low-temperatur...[Details]
Abstract: This article takes the basic structure of TOPSwitch-GX flyback power supply as an example, focusing on the characteristics, design and calculation of several feedback circuits. The respecti...[Details]
The long-awaited iPhone 12 has finally been unveiled. In the early morning of October 14, Apple CEO Cook officially released the first generation of 5G mobile phones in Apple's history. Compared with...[Details]
On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
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