In MakeCode, the serial port has a special usage, which is to connect the output of the serial port to the console, so that you can easily print debugging information, check the running status, and fi...
Following the previous post, after debugging, I thought about printing through the serial port, and found some problems. The program is to change the LED flashing frequency by pressing keys, and there...
This program has been debugged on the template and can be used as a reference for readers. For the display part, please refer to the relevant chapters of this book, and for the detailed settings of A/...
(1) Reactive power will increase the current and apparent power, thus increasing the capacity of electrical equipment such as generators and transformers and the capacity of conductors. The size and...[Details]
Photovoltaic inverter is a special inverter used in the field of solar photovoltaic power generation. It converts the direct current generated by solar cells into alternating current energy that ca...[Details]
// b01.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
int _tmain(int argc, _TCHAR* argv )
{
int arr1 ={1,2};
char arr2 ={255,255,255,25...[Details]
Are you still searching for information on your phone? In the future, all of this will become redundant. Scientists are developing a new type of contact lens technology that can project information...[Details]
In August, when the Shenzhen Special Economic Zone celebrated its 43rd birthday, the 2023 Yabuli China Entrepreneurs' 19th Summer Summit opened in Shenzhen. Huang Yuanhao, Chairman and CEO of O...[Details]
The electronic parking assistance system (EPB for short) has the advantages of flexible layout and space saving; with the help of electronic control system and CAN network, the electromechanical pa...[Details]
The resistance range is in ohms, the voltage range is in volts, and the current range is in amperes. The conversion of various units is as follows: Commonly used voltage units: 1kv (kilovolts) = 1,...[Details]
Today, the iQOO 5 series of mobile phones were officially released, including two models: iQOO 5 and iQOO 5 Pro. The iQOO 5 series uses a 6.56-inch AMOLED screen with a refresh rate of 120Hz. The i...[Details]
The reduction motor is a common power transmission mechanism used in various mechanical transmission systems. The installation and use of the reduction motor is directly related to the operating ef...[Details]
Technicians and engineers in many industries often need to perform floating measurements on two or more signals at work, that is, measuring multi-terminal signals without a reference ground potential...[Details]
With the popularity of home theater AV systems, subwoofers are becoming more and more popular and widely used. In fact, subwoofers are not only used in AV systems, but also in the popularization of hi...[Details]
According to foreign media reports, General Motors (GM) has applied to the US Patent and Trademark Office for a patent for "Transforming Multifunction Display Control", which will provide additional...[Details]
1. Palette address The palette is the address of a piece of memory. We can find the address of the palette by searching for palette in the chip manual of s3c2440. 2.s3c2440_lcd_controller.c We set ...[Details]
In recent years, with the continuous improvement of LED in almost all aspects such as light efficiency and cost, its application areas have been continuously broadened, from traditional portable de...[Details]
Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]
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