[i=s]This post was last edited by hazhuzhu on 2021-12-29 00:13[/i]Preface
The following is a detailed process record of learning OpenHarmony3.0 Raspberry Pi 4B porting, with main references: Official ...
Just transplanted ucos2 on the development board.
Then I changed the clock division and found that it could reach 100M. So I looked at the OSIdleCtrMax value of the idle task at 100M.SysCtlClockSet(SY...
This is the design reference of ADI's pH meter. The parameters say that it can measure 1GΩ internal resistance signal. The reference standard is 100MΩ.
First one:This is the block diagram, there is no...
[size=5][align=center]Kingsoft CEO Lei Jun resigns: From now on, I will travel alone for thousands of miles[/align] Source: Computer News Author: Zhu Wenli Date: 2007-12-24 "I don't have any feelings....
They look the same, and many development boards are the same. I know a little about microcontrollers. Could any expert please take the time to explain and clear up my confusion?...
always @(a or b or c)
beginx=c+y; //Statement 1y=a+b; //Statement 2
endThe original value of y is 5;
a=1;
b=1;
c=3;
The result of my simulation is x=5+3=8 y=1+1=2
The explanation in the document is th...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]