Preface
By default, the chip runs at 4MHz internal clock after reset. In order to run at high performance, we need to configure the system clock to run at the maximum clock frequency. This article tes...
U8g2 is a monochrome graphics library for embedded devices. It is simple and clear. It is mainly used in embedded devices. Of course, our powerful NUCLEO-U575ZI-Q is definitely supported. Today, we wi...
[i=s]This post was last edited by qinyunti on 2022-12-15 14:21[/i]background:
Sometimes when the STM32 program is abnormal, for example, the clock frequency of the configured RCC exceeds the operable ...
[i=s]This post was last edited by qinyunti on 2022-12-15 13:47[/i]Some netizens are asking why PG2 doesn't light up. Here is an explanation. Because PG2 uses VDDIO2, its VDDIO2 power supply needs to b...
The principle of using common mode inductorsThe inductors with four conductors are different from common inductors.▎Common mode noise suppression Thereare many ways to suppress common mode noise. In a...
Now when I wake up from a nap, I check the company chat room and see that some colleagues have a fever. Before, I couldn’t go out because of the fever, but now I dare not go out because of the fever. ...
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]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]