Inspired by shicong's jokes, I thought of some stories in my memory. Why not have a storytelling session? Tell us about the most unforgettable, funniest, scariest, most thrilling... stories in your me...
[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...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]