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. ...
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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
stm32/stm8
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