I want to patch the uboot file. It was originally a compressed package. After decompressing it in Linux, I ran the patch command and it said that some file contents could not be found. Then I decompre...
I wrote a small code as follows. When calling the clear_screen() function in the init() function, I forgot to write the parameters. The compiler did not report an error during compilation. Haha, has a...
[i=s]This post was last edited by littleshrimp on 2021-12-11 12:21[/i]It is very convenient to use Verilog to implement loop position, almost just one instruction
led_shift = {led_shift[14:0],led_shif...
When compiling a stream program with PB5.0, the following error occurs: [color=#FF0000]BUILD: [01:0000000038:ERRORE] NMAKE : U1073: don't know how to make 'C:\WINCE500\PBWorkspaces\2410\WINCE500\smdk2...
Create TFFS in flash (without bootrom), after adding components, tffsShow shows that the id is correct. 1. usrTffsConfig(0,0, "tffs0") returns -1. sysTffsFormat returns -1. The problem lies in sysTffs...
[i=s]This post was last edited by qwqwqw2088 on 2021-3-9 08:25[/i]Now more and more netizens are using KiCAD to draw, because it is a free, open source PCB design tool, and as more and more people use...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[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]
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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Embedded System
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