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In our work, we often use the unit "dB". For example, insertion loss, return loss, power, we often use xx dB, or xx dBm to describe. Of course, for colleagues, it is easy to understand what you mean, ...
Introduction to Switching Power Supply Circuit Design : https://training.eeworld.com.cn/course/5424Hardware Trio Switching Power Supply Circuit Design Getting Started Video Tutorial...
An aquarium automation system using the Feather nRF52840 and four additional FeatherWings. There is an automatic fish feeder and a Raspbery Pi based Fishpi display for monitoring temperature and light...
[i=s]This post was last edited by bigbat on 2019-2-23 12:35[/i] The network part is successful using the built-in routines! The NUCLEO-H743ZI development board for testing is provided by ST. For detai...
Abstract: A power supply system that can be powered by external DC power or dual smart battery packs is designed, and the specific design scheme of the main circuit is given. The system can achieve...[Details]
1.1.1 ARM processor mode switching (including MRS, MSR instructions)
Except for user mode and system mode, all other modes have a private SPSR status register to save the execution status before swi...[Details]
To ensure compliance with all international standards, the designer of an isolated power supply for telecom applications needs to take certain facts into account: The input voltage is never 110V or 22...[Details]
Recently, Juwan Technology Research announced that following its official release in June this year, Juwan Phoenix Battery has now entered the pre-mass production performance testing stage, including...[Details]
Apple's long-awaited AirTag was finally released today. As previously rumored, users can attach this accessory to wallets, keys and other items to track them in the "Find" app. AirTag is equipped wit...[Details]
1 Introduction
Milk is becoming more and more common in people's daily life and diet. Real-time, fast and accurate detection of milk ingredients is of great significance to improving milk qual...[Details]
After years of development, local companies have absorbed foreign research and development results, making wireless alarm products more stable than ever before. At present, they have basically beco...[Details]
Calibration of the gas sensor range can be quite easy or very complex and expensive, depending on the type of gas and the concentration range. In principle, in order to achieve satisfactory accuracy, ...[Details]
Display technology company Visionox and force sensing solution provider Peratech announced the signing of a memorandum of understanding (MoU) to integrate Peratech's force touch sensing solutions int...[Details]
Now I will mainly explain how to add directories, source code, C standard library, and compilation options to the Makefile project when porting UCGUI in GCC. The author's Makefile template is extract...[Details]
After several years of development in China, the construction of intelligent residential areas has formed a series of standards, which meet the requirements of different income groups for intelligent ...[Details]
Before explaining fuzzy PID, we must first understand the principle of PID controller (this article mainly introduces the application of fuzzy PID, and does not introduce the principle of PID control...[Details]
Table of contents 1. Efficient method for processing current detection AD sampling values 2. AD conversion N times sampling to remove the maximum and minimum average algorithm －－－－－－－－－－－－－－－－－－－－...[Details]
When I first saw the code for the Delay() function in the tutorial, I was shocked. How is it possible to let the microcontroller idle in order to synchronize with the outside world? Just imagine, if...[Details]
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