[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...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[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]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]