[color=#252525][size=14px]Why is the LCD temperature display 8 degrees and the DS18B20 temperature display 64 degrees different? Is there a problem with the delay? Please help me solve it. Thank you! ...
Why do I have to unplug the downloader to run the program after downloading it? What's going on? Before, it worked fine after downloading the program and resetting it. I hope you can help me solve thi...
I wrote a driver (which only uses RtlCopyMemory to do some operations). When testing, I found that CreateFile, ReadFile, and WriteFile all operate on shared memory. However, I want to read and write t...
I use pDlg->m_pDlgScreenMap = new CScreenMap(); pDlg->m_pDlgScreenMap->Create(IDD_DIALOG_SCREENMAP,NULL); pDlg->m_pDlgScreenMap->ShowWindow(SW_SHOW); pDlg->m_pDlgScreenMap->UpdateWindow(); to create a...
I wrote a serial port reading program. Because I don't know the baud rate, data bit, stop bit and other information of the GPRS module, I temporarily used 115200, 8 data bits, and 1 stop bit. Now the ...
I would like to ask about the procedure of receiving and sending data between STC12C5616 and Bluetooth wireless communicationIs there anything to note? Actually, there is only the program that STC12C5...
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
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