I defined a global variable to maintain data, but the data in the global variable was automatically cleared after the program ran for one or two hours. Does anyone know how to do this?...
Combustible gas leak voice alarm Usually, the combustible gas leak alarm uses a buzzer for voice prompts, but usually when the alarm sounds, many people don't know what the prompt is, and some don't k...
Selection of the main control chip for Bluetooth bracelet1. Smart bracelets or smart watches not only have OLED, but also have Android or Apple systems. What are the main control chips? What brands of...
A few years ago, I broke the JTAG port of an Altera EP2C5. Since then, I have disconnected the power supply on both sides before connecting or disconnecting the USB-Blaster. The cause of this accident...
I want to refresh the temperature automatically. I added a while loop but it didn't work. I don't know what to do. Can you help me? The program is as follows (I have some demos on hand. If you need th...
I found a small bug on ESP32/ESP8266. If you import a library, and then type __class__. after the library name in the repl and press the tab key (autocomplete function), it will cause the system to re...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]
Do you have the basic terms of optics memorized? If not, read here.
Correlated Color Temperature: If the color of light emitted by a light source is closest to the color of light radiate...[Details]
Embedded System
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