1. If the MCU has a serial port peripheral, adding a level conversion chip, such as MAX232 or SP3485, will make it an RS232 or RS485 interface.
2. RS485 uses differential signal negative logic, +2~+6V...
[i=s]This post was last edited by ddllxxrr on 2019-4-28 08:06[/i] The transplantation has been very annoying these days. I read the transplantation method in the book. I think it is very troublesome. ...
This article comes from WeChat public account: LinkedInWilliam Bengen, a scholar at the Massachusetts Institute of Technology, once proposed the famous 4% rule:
As long as the principal you withdraw f...
Domestic chips are getting more and more attention now, and more and more products are starting to replace them with domestic chips. We must strongly support this. Recently, we are looking for a suita...
After a quick look at the Polaris data sheet, I have some questions about the PLL clock and system clock.Simply speaking, the maximum output clock of PLL should be 96MHZThe maximum system clock is 120...
Project Background
This project is one of the participating projects in the [RT-Thread x RISC-V Application Innovation Competition]
Project Introduction
What problem does this project solve?Traditiona...
Introduction to DC Bridge A DC bridge is a bridge that measures DC resistance or its change. The DC bridge is an updated product based on the Wheatstone bridge circuit and precision alloy wire-wo...[Details]
SNE Research has updated the global ranking of installed capacity of power batteries in July. LG Chem, which is betting on the demand for Europe and Tesla , continues to advance rapidly. The instal...[Details]
Today I will talk to you about the Siemens SCL language programming series Lecture 32 - Generating Random Numbers.
We use the read system time RD_SYS, nanoseconds as the seed, and use the stan...[Details]
Software version: Proteus 8.9 SP0 Note: Other versions of Proteus software will have slightly different operations. Please refer to the "Help" help document. 1. Create a new project from scratch dou...[Details]
Portable electronic products all use batteries as power sources. With the rapid development of portable products, the use of various batteries has increased significantly, and many new types of bat...[Details]
The process of establishing the idle process The process of establishing the idle process // is actually the process of initializing the init_task structure 1. Initialization of sp // __mmap_swit...[Details]
1. Three-dimensional modeling of differential signal loop In order to accurately analyze the differential signal loop, it is necessary to use three-dimensional electromagnetic field simulation softw...[Details]
Function of the circuit
The square root circuit is used in analog operation circuits as part of the true effective value conversion and vector operation loop. It ca...[Details]
Apple has been seeking to increase the geographic diversity of its supply chain, and moving some AirPods production to Vietnam is an important step for the company. Apple reportedly began trial produ...[Details]
Great Lakes Neurotechnologies (GLN), a US medical technology startup, recently received $1.5 million in funding from the US National Institutes of Health (NIH). GLN will use the funds to develop ...[Details]
According to foreign media reports, the U.S. Patent Office announced Apple’s last two patent applications in 2021, one of which is a "vehicle modular charging system." (Image source: patentlyapple...[Details]
Foreword: is an in-depth series of columns produced by the editorial department of Electronic Enthusiasts. The purpose is to use the most intuitive way to enable readers to understand the structure ...[Details]
As we all know, most registers of PIC microcontrollers, including each storage unit of RAM data memory, can realize a series of complex operation functions such as shift, clear, and bit test. Howe...[Details]
AbstractThis report presents a reference design of a 7W AC/DC LED lighting driver with TRIAC dimming . The solution uses a single-stage power factor correction ( PFC ) inverter topology ...[Details]
Recently, the Chinese Society for Electrical Engineering announced the list of winners of the 2024 Electric Power Science and Technology Award. Tan Yaosheng, deputy director of the Multi-Energy Com...[Details]