[i=s]This post was last edited by damiaa on 2022-9-5 10:46[/i]【Jiajiabao】 esp32s2 mqtt analysis
1,【Jiajiabao】Analyze esp32s2 wifi sta and then analyze mqttThe wifi is initialized in app_main.c (see es...
1. Overview
Generally, a radio mainly uses an antenna to receive electromagnetic waves, and then amplifies the electromagnetic waves, filters them , mixes them , demodulates them , and plays them. The...
I am a DSP beginner and want to convert the block diagram of Simulink into C code and run it on DSP. My settings in RTW toolbox are: Solver: stop time select inf type select fixed-step hardware implem...
I have just started to learn MCU. Recently, I want to use MCU to control the opening and closing of MOS tube. Just opening and closing is enough. I want to use MCU to directly control the gate level. ...
When a general user of the embedded file system executes su root to switch to the root user, an error message appears: su: must be suid to work properlySolution: Modify busybox permissions, chmod 4755...
In SPI bus communication, is it true that if a device is a master device, it can only be a master device forever, and if a device is a slave device, it can only be a slave device forever? Can the mast...
With the booming electronics industry, vision systems have become a leader in the electronics automation sector. However, the delicate nature of electronic products often affects product yields due...[Details]
Wave soldering is a crucial electronic component soldering technique used in the production of a wide range of electronic devices, from home appliances to computers to avionics. The process is wide...[Details]
On August 24th, media outlets reported, citing sources, that NavInfo, a listed company on the A-share market, is nearing completion in its acquisition of the intelligent driving c...[Details]
As the main model among new energy vehicles, pure electric vehicles have received strong support and encouragement from the country in recent years, and their development is changing with each pass...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
Zos Automotive Research Institute released the "2025
Smart Cockpit
Tier 1 Research Report (Domestic Edition)."
This report analyzes the operating conditions of more than a dozen ...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[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]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Reflow soldering, as an electronics assembly process, has become a vital component of the electronics manufacturing industry. Choosing reflow soldering equipment is crucial for improving production...[Details]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Previously, Positive Motion Technology shared with you the firmware upgrade of motion controller, ZBasic program development, ZPLC program development, communication with touch screen and input/out...[Details]
introduction
In recent years, multi-touch has emerged as a new alternative to traditional human-computer interaction. It eliminates the need for keyboards and mice, enabling simultaneous inter...[Details]