"If you want to do your work well, you must first sharpen your tools." If we do some manual work in our daily life, it will be time-consuming and laborious if we don't have the right tools. Therefore,...
First of all, I would like to thank all the enthusiastic netizens in this forum. I encountered difficulties in extracting data from LCD to multi-machine communication with serial port address before. ...
Not long ago, I helped my company (Shiqiang) to do an online seminar on EFM32. At the seminar, everyone generally asked some questions. I sorted out and selected 10 questions and share them with you h...
Both encoder and mpu6050 output angle and angular velocity. What is the difference between them? What is the advantage of encoder? Why is encoder used in the first-order inverted pendulum?...
Guo Tianxiang's tutorial exercises, three independent keyboards to stop the timing when pressing the first one, start the timing when pressing the second one, and reset the count value to start from t...
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
Charge your electric car for just six minutes and you'll get 1,000 kilometers! This isn't just a scene from a science fiction film, but a reality made possible by Guoxuan High-Tech's Jinshi solid-s...[Details]
Fast charging is a method and means of quickly replenishing a vehicle's power. It is the core and most important part of electric vehicles. Speaking of fast charging, everyone is familiar with it. ...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
summary
NFC (Near Field Communication) is a short-range, high-frequency wireless communication technology that allows contactless, point-to-point data exchange (within ten centimeters) between...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]
The development of electric vehicles is unstoppable. More and more people are choosing new energy vehicles. With the subsidies provided by the state and the shortage of resources, new energy vehicl...[Details]
01 Introduction
The SINAMICS V20 inverter controls three-phase AC asynchronous motors. Depending on the size (frame sizes FSA to FSD), the power range of the three-phase AC 400V inverter cover...[Details]
Introduction
Currently, IoT-related applications, including those enabling furniture display panels, industrial control display panels, handheld devices, and facial recognition, are gradually s...[Details]
After suspending its autonomous driving business for a period of time, General Motors chose to return to the track. In the past, GM hoped that its Cruise would leap into L4 autonomous driving - no ...[Details]
Under the guidance of the "dual carbon" goals, vehicle-to-grid interaction (V2G), an innovative model that achieves deep integration of new energy vehicles and power grids, is steadily moving from ...[Details]
DIY/Open Source Hardware
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